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OE Match Porsche Parts
Introducing OE Match, a brand focused on preserving Porsche vehicles by remanufacturing hard to find and no longer serviced OE parts for all Porsche models.
We source and manufacture replacement Porsche parts to the highest standard, and specialise in bringing back to market products that are “no longer available” NLA.
Browse over 6,700 individual part numbers, and 11,800 plus OE cross-referenced products. We catalogue regularly, and are constantly developing new lines.
OE Match is a brand that provides a wide range of Porsche components, from gaskets to suspension hardware, engine parts, and interior trim. Over 6,700 individual part numbers, and over 11,800 OE cross-references catalogued, and are constantly developing new lines.
We hand select our featured products based on trending purchases to offer the greatest value to our customers
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
This OE Match driveshaft is a replacement rear axle shaft assembly for Porsche 987.1 Boxster and 987.1 Cayman 2.7L models fitted with Tiptronic transmission. It is designed to match the original-style fitment and function, making it suitable for drivetrain repair, CV joint service, or axle replacement.
Sold individually, 2 required per vehicle.
Fits:
Cars with Tiptronic transmission (option code: 249)
Porsche 987.1 Boxster 2.7L 2005 - 2008
Porsche 987C.1 Cayman 2.7L 2006 - 2008
Diagram ref no 1
The driveshaft transfers rotational power from the transmission / differential output to the rear wheel hub. It works with the CV joints to allow suspension movement while maintaining smooth and consistent drive to the road wheels.
Functions
• Replaces the rear driveshaft / axle shaft
• Suitable for Porsche 987.1 Boxster and Cayman 2.7L Tiptronic cars
• Transfers drive from the transmission to the wheel hub
• Supports smooth power delivery under acceleration
• Allows suspension movement through the CV joint assembly
• Helps reduce vibration, knocking, or drivetrain play caused by worn axle components
• OE Match replacement for Porsche 987.1 drivetrain repair.
Why Replace This Part?
Driveshafts and CV joints are exposed to torque load, road dirt, suspension movement, heat, vibration, and mileage. Over time, joints can wear, boots can split, grease can escape, and shaft components can develop play or imbalance. A worn or damaged driveshaft may cause clicking, knocking, vibration, grease leakage, poor power delivery, or drivetrain noise. Replacing the driveshaft helps restore smooth and reliable rear axle operation.
When to Replace This Part
• Clicking or knocking is present under acceleration or cornering
• Vibration is felt through the drivetrain
• CV boots are split, leaking, or damaged
• Grease is visible around the driveshaft or wheel hub area
• Excessive play is found in the CV joints or shaft
• Rear axle or transmission service is being carried out
• The vehicle is undergoing Porsche 987.1 drivetrain repair or restoration
Where it fits on the car
This driveshaft fits within the rear axle drivetrain assembly on Porsche 987.1 Boxster and 987.1 Cayman 2.7L Tiptronic models. Exact side and position should be checked against the vehicle diagram before ordering.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98733202463
The product you are viewing cross references to these numbers
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
This OE Match driveshaft is a replacement axle shaft assembly for Porsche 996 models fitted with Tiptronic transmission. It is designed to match the original-style fitment and function, making it suitable for drivetrain repair, CV joint service, or axle replacement
Fits:
Porsche 996 C2 3.6L 2002 >>
Porsche 996 C4 3.6L 2002 >>
* Up to VIN
99-2S603 555
99-2S642 147
99-2S630 713
99-2S603 622
99-2S642 181
99-2S630 736
The driveshaft transfers rotational power from the gearbox / differential output to the rear wheel hub. It works with the CV joints to allow suspension movement while maintaining smooth drive to the road wheels.
Functions
• Replaces the rear driveshaft / axle shaft
• Suitable for Porsche 996 Tiptronic cars from 2002 onwards
• Transfers drive from the transmission to the wheel hub
• Supports smooth power delivery under acceleration
• Allows suspension movement through the CV joint assembly
• Helps reduce vibration, knocking, or drivetrain play caused by worn driveshaft components
• OE Match replacement for Porsche 996 drivetrain repair.
Why Replace This Part?
Driveshafts and CV joints are exposed to torque load, road dirt, suspension movement, heat, vibration, and mileage. Over time, joints can wear, boots can split, grease can escape, and shaft components can develop play or vibration. A worn or damaged driveshaft may cause clicking, knocking, vibration, grease leakage, poor power delivery, or drivetrain noise. Replacing the driveshaft helps restore smooth and reliable rear axle operation.
When to Replace This Part
• Clicking or knocking is present under acceleration or cornering
• Vibration is felt through the drivetrain
• CV boots are split, leaking, or damaged
• Grease is visible around the driveshaft or wheel hub area
• Excessive play is found in the CV joints or shaft
• Rear axle or transmission service is being carried out
• The vehicle is undergoing Porsche 996 drivetrain repair or restoration.
Where it fits on the car
This driveshaft fits within the rear axle drivetrain assembly on Porsche 996 Tiptronic models from 2002 onwards. Exact side and position should be checked against the vehicle diagram before ordering.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99633202422
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
Maintain smooth and dependable drivetrain performance with this OE Match Rear Driveshaft for Tiptronic Models, manufactured as a direct replacement. Produced to OE-style specifications, this rear driveshaft is specifically designed for Porsche models equipped with the Tiptronic automatic transmission, transferring engine torque from the transmission and differential to the driven rear wheel while accommodating normal suspension movement.
Fits:
Cars with Tiptronic transmission (option code: 249)
Porsche 986 Boxster 2.5L 1997 - 1999
Porsche 986 Boxster 2.7L 1999 - 2002
Diagram ref no 1
Over time, the original driveshaft can develop worn constant velocity (CV) joints, split protective boots, corrosion, or excessive wear from continual drivetrain loads and high mileage. These issues can cause vibration, knocking noises, grease leakage, and inconsistent power delivery. Replacing a worn or damaged driveshaft restores smooth drivetrain operation, improves driving refinement, and helps prevent unnecessary wear to surrounding drivetrain components. This OE Match rear driveshaft is ideal for routine maintenance, drivetrain repairs, and Porsche restoration projects.
What This Product Does:
• Transfers engine torque from the drivetrain to the rear wheel
• Is designed specifically for Porsche Tiptronic transmission models
• Accommodates suspension movement while maintaining smooth power delivery
• Supports efficient and reliable drivetrain operation
• Replaces worn, damaged, or noisy original driveshafts
• Restores smooth acceleration and driving refinement
• Provides an OE-style fit and dependable quality
Symptoms Of Wear Or Failure:
• Clicking or knocking noises during acceleration or turning
• Vibration under acceleration or at road speed
• Split or leaking CV joint boots
• Grease leakage around the CV joints
• Excessive play within the driveshaft assembly
• Reduced drivetrain smoothness
• Wear or damage identified during drivetrain servicing or restoration
Why Replacement Matters:
The rear driveshaft is an essential component of the Porsche drivetrain, transmitting engine power efficiently to the driven wheels while allowing the suspension to move through its full range of travel. On Tiptronic-equipped vehicles, maintaining smooth and reliable power transfer is particularly important for drivetrain refinement and driving comfort. A worn or damaged driveshaft can cause vibration, noise, reduced efficiency, and additional stress on CV joints, wheel bearings, and differential components.
Replacing a faulty rear driveshaft restores smooth power transmission, improves vehicle refinement, and helps maintain the reliability and performance expected from your Porsche. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match Rear Driveshaft for Tiptronic Models provides the correct fit, dependable performance, and long-lasting durability, making it an excellent choice for Porsche maintenance, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98633202458
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
Performance Upgrade Chip – Non-Varioram with Lightweight Flywheel & Clutch
Unlock the full potential of your 1994-1995 Porsche 993 Non-Varioram with the OE Match Performance Upgrade Chip, developed specifically for cars fitted with an RS lightweight flywheel and clutch. Designed for manual and Tiptronic (non-Driveblock) models, this advanced Bosch Motronic calibration delivers stronger low and mid-range torque, sharper throttle response and improved drivability while incorporating the latest Lightweight Flywheel (LWF) software solution.
Fits:
- Porsche 993 (911) C2 1994-95
- Porsche 993 (911) C4 1994-95
Compatible with Bosch Motronic DME 0.261.203.675 and the
following Porsche DME part numbers:
- 99361812403
- 99361812404
- 99361812405
- 99361812406
Designed for Lightweight Flywheel Conversions
Fitting an RS lightweight flywheel allows the engine to rev more freely and respond faster, but many conversions suffer from unstable idle, RPM dip and stalling during deceleration or when pulling away.
OE Match has developed one of the most advanced software solutions available to eliminate these issues while enhancing the performance benefits of the lightweight flywheel.
The latest calibration:
- Eliminates lightweight flywheel stalling
- Prevents RPM dropping below idle during deceleration and gear changes
- Improves clutch engagement from standstill
- Reduces unnecessary clutch slip and wear
- Maximises the faster throttle response of the lightweight flywheel
Former OE Match customers can also have earlier chips updated to the latest LWF coding.
Unlock the Hidden Performance of the 3.6-Litre Flat-Six
The factory Bosch Motronic calibration leaves considerable performance untapped. OE Match software has been extensively developed to remove the familiar flat spot below 4,000 rpm, giving the engine stronger pulling power from low RPM and significantly improving throttle response.
Benefits include:
- Increased low and mid-range torque
- Sharper throttle response
- Eliminates the factory sub-4,000 rpm hesitation
- Improved acceleration throughout the rev range
- Dyno-proven horsepower gains
- Smoother, more responsive power delivery
The result is a 993 that feels noticeably more eager, making full use of the lightweight flywheel's quicker engine response.
Premium Fuel Calibration
Every OE Match chip is calibrated for 91 AKI (95 RON) premium unleaded fuel as standard. If you regularly use 93 AKI (98 RON) fuel, a dedicated 98 RON calibration can be supplied. Simply select your preferred fuel grade when ordering.
Optional Immobiliser / Driveblock Delete
For vehicles originally equipped with Porsche's Driveblock immobiliser, this chip can also be supplied with the immobiliser function disabled.
This removes the need to deactivate the immobiliser with the key fob before every journey, returning the vehicle to the operation of a factory non-Driveblock model.
To complete the conversion, install jumper relay 96461018400 into relay position R61, exactly as Porsche specified on non-Driveblock vehicles.
Ordering Information
Porsche fitted six different Bosch Motronic DMEs to 1994-1995 Non-Varioram models.
Before ordering, remove the DME unit from beneath the left-hand front seat and verify the Bosch or Porsche part number shown on the Motronic label to ensure the correct chip is supplied.
Why Choose OE Match?
Unlike generic replacement chips, every OE Match calibration is developed through extensive dyno testing and real-world road evaluation to suit the exact vehicle specification.
The software is engineered specifically for lightweight flywheel conversions, will not trigger the Check Engine Light
Benefits
- Increased horsepower and torque
- Sharper throttle response
- Eliminates the factory sub-4,000 rpm lag
- Eliminates lightweight flywheel stalling
- Improved clutch engagement
- Faster engine response Optional
- Driveblock removal
- Improved everyday drivability
- Premium fuel calibration (95 RON standard / 98 RON optional)
- Will not trigger the Check Engine Light
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
Performance Upgrade Chip – Non-Varioram Cars
Unlock the true performance of your 1994-1995 Porsche 993
Non-Varioram with the OE Match Performance Upgrade Chip. Developed
specifically for manual and Tiptronic (non-Driveblock) models, this
precision calibration transforms the drivability of the legendary 3.6-litre
flat-six, delivering stronger low and mid-range torque, sharper throttle
response and improved acceleration throughout the rev range.
Fits:
- Porsche 993 (911) C2 1994-95
- Porsche 993 (911) C4 1994-95
Compatible with Bosch Motronic DME 0.261.203.675 and
the following Porsche DME part numbers:
- 99361812403
- 99361812404
- 99361812405
- 99361812406
Transform the Way Your 993 Drives
The factory Bosch Motronic calibration leaves noticeable performance untapped. OE Match software has been extensively developed to eliminate the familiar flat spot below 4,000 rpm, allowing the engine to pull harder from low RPM while significantly improving throttle response and everyday drivability.
Benefits include:
- Stronger low and mid-range torque
- Sharper throttle response
- Eliminates the factory sub-4,000 rpm hesitation
- Improved acceleration throughout the rev range
- Dyno-proven horsepower gains
- Smoother, more responsive driving experience
Every calibration is designed for 91 AKI (95 RON) premium fuel as standard. If you regularly use 93 AKI (98 RON) fuel, an optimised 98 RON calibration can be supplied—simply select your preferred fuel grade when ordering.
Includes the Latest Lightweight Flywheel (LWF) Fix
If your 993 has been fitted with an RS lightweight flywheel, this software includes the latest LWF Fix to eliminate the stalling and RPM dip often associated with lightweight flywheel conversions.
The updated programming:
Eliminates stalling during deceleration and gear changes Prevents RPM dropping below idle Improves clutch engagement Reduces unnecessary clutch slip Enhances throttle response
The software is equally suitable for vehicles retaining the factory flywheel, and existing customers can update older OE Match chips to the latest LWF coding.
Optional Immobiliser / Driveblock Delete
This chip can also be supplied with the Immobiliser / Driveblock function disabled for vehicles originally equipped with the Porsche Driveblock system.
Disabling the Driveblock removes the need to deactivate the immobiliser with the key fob every time the vehicle is started, returning the car to the operating style of factory non-Driveblock models.
To complete the conversion, jumper relay 964.610.184.00 must be installed in relay position R61, exactly as fitted by Porsche on non-Driveblock vehicles.
Ordering Information
Porsche fitted six different Bosch Motronic DMEs to 1994-1995 Non-Varioram 993 models.
Before ordering, remove the DME unit from beneath the left-hand front seat and confirm the Bosch or Porsche part number printed on the Motronic label to ensure the correct chip is supplied.
Why Choose OE Match?
Unlike generic replacement chips, every OE Match calibration has been extensively refined through dyno development and real-world testing to provide maximum performance while maintaining factory reliability.
The software is engineered not to trigger the Check Engine Light
Benefits
- Increased horsepower and torque
- Sharper throttle response
- Eliminates the factory sub-4,000 rpm lag
- Improved low and mid-range acceleration
- Eliminates lightweight flywheel stalling
- Optional Driveblock removal Improved everyday drivability
Porsche 993 Non-Varioram Performance Chips & Bosch Motronic ECU Upgrades
OE Match Performance Chips are specifically developed for 1994-1995 Porsche 993 Non-Varioram models, optimising the Bosch Motronic ECU to deliver stronger torque, improved throttle response and increased horsepower while maintaining factory reliability.
Design911 supplies model-specific calibrations for manual and Tiptronic cars, with support for lightweight flywheel conversions, premium fuel calibrations and optional Driveblock removal. Every chip is matched to the correct Bosch DME to ensure perfect compatibility and maximum performance.
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
Performance Upgrade Chip – Non-Varioram with Lightweight Flywheel & Clutch
Unlock the full potential of your 1994-1995 Porsche 993 Non-Varioram with the OE Match Performance Upgrade Chip, developed specifically for cars fitted with an RS lightweight flywheel and clutch. Designed for manual and Tiptronic (non-Driveblock) models, this advanced Bosch Motronic calibration delivers stronger low and mid-range torque, sharper throttle response and improved drivability while incorporating the latest Lightweight Flywheel (LWF) software solution.
Fits:
- Porsche 993 (911) C2 1994-95
- Porsche 993 (911) C4 1994-95
Compatible with Bosch Motronic DME 0.261.203.674 and
the following Porsche DME part numbers:
- 99361812301
- 99361812302
- 99361812303
- 99361812304
- 99361812305
- 99361812306
Designed for Lightweight Flywheel Conversions
Fitting an RS lightweight flywheel allows the engine to rev more freely and respond faster, but many conversions suffer from unstable idle, RPM dip and stalling during deceleration or when pulling away.
OE Match has developed one of the most advanced software solutions available to eliminate these issues while enhancing the performance benefits of the lightweight flywheel.
The latest calibration:
- Eliminates lightweight flywheel stalling
- Prevents RPM dropping below idle during deceleration and gear changes
- Improves clutch engagement from standstill
- Reduces unnecessary clutch slip and wear
- Maximises the faster throttle response of the lightweight flywheel
Former OE Match customers can also have earlier chips updated to the latest LWF coding.
Unlock the Hidden Performance of the 3.6-Litre Flat-Six
The factory Bosch Motronic calibration leaves considerable performance untapped. OE Match software has been extensively developed to remove the familiar flat spot below 4,000 rpm, giving the engine stronger pulling power from low RPM and significantly improving throttle response.
Benefits include:
- Increased low and mid-range torque
- Sharper throttle response
- Eliminates the factory sub-4,000 rpm hesitation
- Improved acceleration throughout the rev range
- Dyno-proven horsepower gains
- Smoother, more responsive power delivery
The result is a 993 that feels noticeably more eager, making full use of the lightweight flywheel's quicker engine response.
Premium Fuel Calibration
Every OE Match chip is calibrated for 91 AKI (95 RON) premium unleaded fuel as standard. If you regularly use 93 AKI (98 RON) fuel, a dedicated 98 RON calibration can be supplied. Simply select your preferred fuel grade when ordering.
Optional Immobiliser / Driveblock Delete
For vehicles originally equipped with Porsche's Driveblock immobiliser, this chip can also be supplied with the immobiliser function disabled.
This removes the need to deactivate the immobiliser with the key fob before every journey, returning the vehicle to the operation of a factory non-Driveblock model.
To complete the conversion, install jumper relay 96461018400 into relay position R61, exactly as Porsche specified on non-Driveblock vehicles.
Ordering Information
Porsche fitted six different Bosch Motronic DMEs to 1994-1995 Non-Varioram models.
Before ordering, remove the DME unit from beneath the left-hand front seat and verify the Bosch or Porsche part number shown on the Motronic label to ensure the correct chip is supplied.
Why Choose OE Match?
Unlike generic replacement chips, every OE Match calibration is developed through extensive dyno testing and real-world road evaluation to suit the exact vehicle specification.
The software is engineered specifically for lightweight flywheel conversions, will not trigger the Check Engine Light
Benefits
- Increased horsepower and torque
- Sharper throttle response
- Eliminates the factory sub-4,000 rpm lag
- Eliminates lightweight flywheel stalling
- Improved clutch engagement
- Faster engine response Optional
- Driveblock removal
- Improved everyday drivability
- Premium fuel calibration (95 RON standard / 98 RON optional)
- Will not trigger the Check Engine Light
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
Performance Upgrade Chip – Non-Varioram Cars
Unlock the true performance of your 1994-1995 Porsche 993
Non-Varioram with the OE Match Performance Upgrade Chip. Developed
specifically for manual and Tiptronic (non-Driveblock) models, this
precision calibration transforms the drivability of the legendary 3.6-litre
flat-six, delivering stronger low and mid-range torque, sharper throttle
response and improved acceleration throughout the rev range.
Fits:
- Porsche 993 (911) C2 1994-95
- Porsche 993 (911) C4 1994-95
Compatible with Bosch Motronic DME 0.261.203.674 and
the following Porsche DME part numbers:
- 99361812301
- 99361812302
- 99361812303
- 99361812304
- 99361812305
- 99361812306
Transform the Way Your 993 Drives
The factory Bosch Motronic calibration leaves noticeable performance untapped. OE Match software has been extensively developed to eliminate the familiar flat spot below 4,000 rpm, allowing the engine to pull harder from low RPM while significantly improving throttle response and everyday drivability.
Benefits include:
- Stronger low and mid-range torque
- Sharper throttle response
- Eliminates the factory sub-4,000 rpm hesitation
- Improved acceleration throughout the rev range
- Dyno-proven horsepower gains
- Smoother, more responsive driving experience
Every calibration is designed for 91 AKI (95 RON) premium fuel as standard. If you regularly use 93 AKI (98 RON) fuel, an optimised 98 RON calibration can be supplied—simply select your preferred fuel grade when ordering.
Includes the Latest Lightweight Flywheel (LWF) Fix
If your 993 has been fitted with an RS lightweight flywheel, this software includes the latest LWF Fix to eliminate the stalling and RPM dip often associated with lightweight flywheel conversions.
The updated programming:
Eliminates stalling during deceleration and gear changes Prevents RPM dropping below idle Improves clutch engagement Reduces unnecessary clutch slip Enhances throttle response
The software is equally suitable for vehicles retaining the factory flywheel, and existing customers can update older OE Match chips to the latest LWF coding.
Optional Immobiliser / Driveblock Delete
This chip can also be supplied with the Immobiliser / Driveblock function disabled for vehicles originally equipped with the Porsche Driveblock system.
Disabling the Driveblock removes the need to deactivate the immobiliser with the key fob every time the vehicle is started, returning the car to the operating style of factory non-Driveblock models.
To complete the conversion, jumper relay 964.610.184.00 must be installed in relay position R61, exactly as fitted by Porsche on non-Driveblock vehicles.
Ordering Information
Porsche fitted six different Bosch Motronic DMEs to 1994-1995 Non-Varioram 993 models.
Before ordering, remove the DME unit from beneath the left-hand front seat and confirm the Bosch or Porsche part number printed on the Motronic label to ensure the correct chip is supplied.
Why Choose OE Match?
Unlike generic replacement chips, every OE Match calibration has been extensively refined through dyno development and real-world testing to provide maximum performance while maintaining factory reliability.
The software is engineered not to trigger the Check Engine Light
Benefits
- Increased horsepower and torque
- Sharper throttle response
- Eliminates the factory sub-4,000 rpm lag
- Improved low and mid-range acceleration
- Eliminates lightweight flywheel stalling
- Optional Driveblock removal Improved everyday drivability
Porsche 993 Non-Varioram Performance Chips & Bosch Motronic ECU Upgrades
OE Match Performance Chips are specifically developed for 1994-1995 Porsche 993 Non-Varioram models, optimising the Bosch Motronic ECU to deliver stronger torque, improved throttle response and increased horsepower while maintaining factory reliability.
Design911 supplies model-specific calibrations for manual and Tiptronic cars, with support for lightweight flywheel conversions, premium fuel calibrations and optional Driveblock removal. Every chip is matched to the correct Bosch DME to ensure perfect compatibility and maximum performance.
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Restore dependable lighting control with this OE Match Headlamp Switch, manufactured as a direct replacement. Produced to OE-style specifications, this headlamp switch is designed to operate the vehicle's exterior lighting system, allowing the driver to control the side lights, headlamps, and associated lighting functions with smooth, reliable operation.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Diagram Ref No 1
Over time, the original switch can suffer from worn internal contacts, heat damage, corrosion, or mechanical wear caused by frequent use and age. These faults can lead to intermittent lighting operation, flickering headlamps, or complete switch failure, compromising visibility and vehicle safety. Replacing a worn or faulty headlamp switch restores dependable lighting control and ensures the electrical system functions as intended. This OE Match headlamp switch is ideal for routine maintenance, electrical repairs, and Porsche restoration projects.
What This Product Does:
- Controls the operation of the vehicle's exterior lighting.
- Activates the side lights and headlamps.
- Provides reliable switching of the lighting circuits.
- Helps ensure safe vehicle operation in low-light conditions.
- Replaces worn, damaged, or faulty original switches.
- Restores smooth and dependable lighting control.
- Provides an OE-style fit and dependable quality.
Symptoms Of Wear Or Failure:
- Headlamps failing to switch on or off correctly.
- Intermittent lighting operation.
- Flickering headlights or side lights.
- Loose or inconsistent switch operation.
- Excessive heat around the switch.
- Burnt or worn electrical contacts.
- Electrical faults identified during lighting system servicing or restoration.
Why Replacement Matters:
- The headlamp switch is a vital component of the Porsche electrical system, providing safe and reliable control of the vehicle's exterior lighting. A worn or faulty switch can result in unreliable headlamp operation, intermittent electrical faults, and reduced visibility, affecting both safety and driving confidence.
- Replacing a damaged headlamp switch restores consistent lighting control, improves electrical reliability, and helps ensure the lighting system performs as Porsche intended. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match Headlamp Switch provides the correct fit, dependable performance, and long-lasting durability, making it an excellent choice for Porsche maintenance, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161302904
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Performance Upgrade Chip – with Sports Headers and Sport Muffler
Unlock the true performance potential of your 1989-1994
Porsche 964 Carrera 2 or Carrera 4 with the OE Match Performance Upgrade Chip.
Developed specifically for cars fitted with performance headers and a sports
muffler, this calibration is designed for manual and Tiptronic models, with or
without an RS lightweight flywheel, and includes the latest LWF software fix as
standard.
Fits:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Designed for Performance Exhaust Systems
Performance headers and sports mufflers significantly
improve exhaust flow, but to extract the maximum benefit the Bosch Motronic ECU
requires recalibration. OE Match software has been specifically developed to
provide the additional fuel and optimised ignition timing needed for
freer-flowing exhaust systems, ensuring safe air-fuel ratios while preventing
excessive knock sensor intervention.
The result is a dramatic improvement in the way your 964
drives, including:
- Increased low and mid-range torque
- Sharper throttle response
- Elimination of the factory flat spot below 4,000 rpm
- Smoother idle
- Dyno-proven horsepower gains
- Improved acceleration and everyday drivability
The engine comes alive from low RPM, making the car feel noticeably lighter and more responsive whether you're driving on the road or attacking your next track day or autocross.
Dyno Developed for Real-World Driving
Unlike generic replacement chips, OE Match calibrations are
written specifically for each engine and exhaust configuration.
Every program has been extensively developed through
hundreds of hours of dyno tuning, road evaluation and real-world testing using
everyday pump fuel. Ignition timing, fuel delivery and throttle mapping have
all been optimised to deliver:
- Smoother idle
- Increased low and mid-range torque
- Sharper throttle response
- Elimination of the factory sub-4,000 rpm flat spot
- Stronger acceleration throughout the rev range
- Dyno-proven horsepower gains
- Improved everyday drivability
Unlike inferior calibrations, OE Match software maintains
safe air-fuel ratios, ensuring the engine continues to run efficiently while
avoiding the lean conditions that can reduce performance and increase knock
sensor activity.
Includes the Lightweight Flywheel (LWF) Fix
Every OE Match calibration includes the latest Lightweight Flywheel Fix, eliminating the stalling and RPM dip commonly associated with RS lightweight flywheel conversions. The software also improves clutch engagement and throttle response while remaining fully compatible with standard flywheel cars.
Developed Specifically for Your 964
Unlike generic replacement chips, every OE Match calibration
has been extensively developed through dyno testing and real-world road
evaluation using premium pump fuel. Each program is tailored to your exact
engine specification and exhaust configuration, delivering maximum performance
without triggering the Check Engine Light.
Suitable for:
- Porsche 964 Carrera 2 & Carrera 4 Manual or Tiptronic transmission
- Performance headers Sports muffler
- Factory or RS lightweight flywheel
Benefits
- Increased horsepower and torque
- Sharper throttle response
- Eliminates the factory sub-4,000 rpm hesitation
- Improved low and mid-range acceleration
- Smoother idle
- Eliminates lightweight flywheel stalling
- Better everyday drivability
- Dyno-developed Bosch Motronic calibration
- Will not trigger the
- Check Engine Light
Porsche 964 Performance Chips for Headers & Sport Mufflers
OE Match Performance Chips are specifically developed for Porsche 964 models equipped with performance headers and sports mufflers. By recalibrating the Bosch Motronic ECU to suit the increased exhaust flow, the engine delivers stronger torque, improved throttle response and greater horsepower while maintaining safe operation and factory reliability.
Design911 offers model-specific OE Match calibrations for manual and Tiptronic 964 models, including vehicles fitted with RS lightweight flywheels. Every calibration is developed to maximise the performance of your exhaust upgrades while preserving excellent drivability.
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
Restore the reliability of your Porsche's electrical system with this OE Match 8-Pole Fuse Box, manufactured as a direct replacement. Produced to OE-style specifications, this fuse box is designed to securely house and protect up to eight individual fuses while providing organised distribution of electrical power to the vehicle's essential circuits.
Fits:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
Diagram Ref No 14
Over time, the original fuse box can suffer from corrosion, heat damage, cracked housings, worn fuse terminals, or poor electrical connections caused by age and moisture. These issues can lead to intermittent electrical faults, unreliable circuit protection, and difficulty maintaining the vehicle's electrical system. Replacing a worn or damaged fuse box restores dependable electrical connections and helps ensure the correct operation of protected circuits. This OE Match 8-pole fuse box is ideal for routine maintenance, electrical system repairs, and Porsche restoration projects.
What This Product Does:
- Houses and secures up to eight electrical fuses.
- Distributes electrical power to protected vehicle circuits.
- Provides reliable electrical connections.
- Helps protect wiring and electrical components from overloads.
- Replaces cracked, corroded, or damaged original fuse boxes.
- Restores safe and organised electrical distribution.
- Provides an OE-style fit and dependable quality.
Symptoms Of Wear Or Failure:
- Intermittent electrical faults.
- Corroded fuse terminals.
- Cracked or damaged fuse box housing.
- Loose or poor fuse connections.
- Heat damage around the fuse contacts.
- Difficulty maintaining reliable electrical circuits.
- Electrical restoration requiring replacement fuse panel components.
Why Replacement Matters:
- The fuse box is a critical part of the vehicle's electrical system, providing secure mounting for the fuses while distributing electrical power safely throughout the vehicle. A damaged or corroded fuse box can create high-resistance connections, intermittent electrical faults, and unreliable circuit protection, potentially affecting multiple vehicle systems.
- Replacing a worn fuse box restores dependable electrical distribution, improves connection quality, and helps protect the vehicle's wiring and electrical components from unnecessary faults. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match 8-Pole Fuse Box provides the correct fit, reliable performance, and long-lasting durability, making it an excellent choice for Porsche maintenance, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161208701
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Performance Upgrade Chip with Premuffler / Cat Bypass
Unlock the full performance of your 1989-1994 Porsche 964
Carrera 2 or Carrera 4 with the OE Match Performance Upgrade Chip. Designed
specifically for cars fitted with a premuffler, catalytic converter bypass
or sports catalytic converter, together with either the factory rear
silencers, a muffler bypass or a sports muffler.
Fits:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Suitable for manual and Tiptronic models, this calibration also supports vehicles fitted with an RS lightweight flywheel, with the latest LWF software fix included as standard.
Optimised for Modified Exhaust Systems
Removing the restrictive factory catalytic converter
improves exhaust flow, but the Bosch Motronic ECU requires recalibration to
fully exploit the increased airflow. OE Match software provides the additional
fuel and optimised ignition timing needed to maximise performance while
maintaining safe air-fuel ratios and preventing excessive knock sensor
intervention.
The result is:
- Stronger low and mid-range torque
- Sharper throttle response
- Elimination of the factory flat spot below 4,000 rpm
- Smoother idle
- Dyno-proven horsepower gains
- Improved everyday drivability
Your 964 feels lighter, more responsive and pulls hard from
low engine speeds, making both road driving and track use considerably more
rewarding.
Dyno Developed for Real-World Driving
Unlike generic replacement chips, OE Match calibrations are
written specifically for each engine and exhaust configuration.
Every program has been extensively developed through
hundreds of hours of dyno tuning, road evaluation and real-world testing using
everyday pump fuel. Ignition timing, fuel delivery and throttle mapping have
all been optimised to deliver:
- Smoother idle
- Increased low and mid-range torque
- Sharper throttle response
- Elimination of the factory sub-4,000 rpm flat spot
- Stronger acceleration throughout the rev range
- Dyno-proven horsepower gains
- Improved everyday drivability
Unlike inferior calibrations, OE Match software maintains safe air-fuel ratios, ensuring the engine continues to run efficiently while avoiding the lean conditions that can reduce performance and increase knock sensor activity.
Includes the Lightweight Flywheel (LWF) Fix
Every calibration includes the latest Lightweight Flywheel Fix, eliminating the stalling and RPM dip commonly experienced after fitting an RS lightweight flywheel and clutch. The software also improves clutch engagement and throttle response while remaining fully compatible with standard flywheel vehicles.
Developed Specifically for Your 964
Unlike generic performance chips, every OE Match calibration has been developed through extensive dyno testing and real-world road evaluation using premium pump fuel. Each program is written specifically for your engine and exhaust configuration, delivering maximum performance without triggering the Check Engine Light.
Suitable for:
- Porsche 964 Carrera 2 & Carrera 4 Manual or Tiptronic transmission
- Premuffler Cat bypass pipe
- Sports catalytic converter
- Factory, sports or bypass rear silencers
- Factory
or RS lightweight flywheel
Benefits
- Increased horsepower and torque
- Sharper throttle response
- Eliminates the factory sub-4,000 rpm hesitation
- Improved acceleration throughout the rev range
- Smoother idle
- Eliminates lightweight flywheel stalling
- Better everyday drivability
- Dyno-developed Bosch Motronic calibration
- Will not trigger the Check Engine Light
Porsche 964 Premuffler & Cat Bypass Performance Chips
OE Match Performance Chips are specifically developed for Porsche 964 models fitted with freer-flowing exhaust systems. By recalibrating the Bosch Motronic ECU to suit premufflers, cat bypass pipes or sports catalytic converters, the engine delivers stronger torque, improved throttle response and smoother power delivery while maintaining safe engine operation.
Whether your 964 is fitted with a standard or lightweight flywheel, manual or Tiptronic transmission, Design911 offers model-specific OE Match calibrations engineered to maximise performance and reliability.
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Performance Upgrade Chip – with Stock Exhaust Configuration
Transform the way your Porsche 964 Carrera 2 or Carrera 4
drives with the OE Match Performance Upgrade Chip. Developed specifically for stock
engine/exhaust configurations using the factory catalytic converter together with
either the original rear silencers or a primary or secondary muffler bypass
pipe, this calibration is suitable for manual and Tiptronic models, with
or without a lightweight flywheel.
Fits:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Unleash the Hidden Performance
The factory Bosch Motronic calibration leaves considerable performance untapped. OE Match software unlocks stronger low and mid-range torque, sharper throttle response and improved drivability, eliminating the familiar flat spot below 4,000 rpm while delivering dyno-proven horsepower gains.
The result is a 964 that feels noticeably more responsive, pulls harder from low engine speeds and offers the kind of immediate throttle response that transforms both road and track driving.
Developed for Your Exact Configuration
Every OE Match chip has been extensively developed through dyno testing and real-world road evaluation using premium pump fuel. Unlike generic performance chips, each calibration is matched to your vehicle's specification, ensuring safe air-fuel ratios and optimum performance.
Suitable for:
- Porsche
964 Carrera 2 & Carrera 4
Manual
and Tiptronic transmissions
- Factory catalytic converter
- Standard rear silencers
- Primary or secondary muffler bypass pipes
- Factory or RS lightweight flywheel
Dyno Developed for Real-World Driving
Unlike generic replacement chips, OE Match calibrations are written specifically for each engine and exhaust configuration.
Every program has been extensively developed through
hundreds of hours of dyno tuning, road evaluation and real-world testing using
everyday pump fuel. Ignition timing, fuel delivery and throttle mapping have
all been optimised to deliver:
- Smoother idle
- Increased low and mid-range torque
- Sharper throttle response
- Elimination of the factory sub-4,000 rpm flat spot
- Stronger acceleration throughout the rev range
- Dyno-proven horsepower gains
- Improved everyday drivability
Unlike inferior calibrations, OE Match software maintains safe air-fuel ratios, ensuring the engine continues to run efficiently while avoiding the lean conditions that can reduce performance and increase knock sensor activity.
Includes the Lightweight Flywheel (LWF) Fix
This software includes the latest LWF fix, eliminating the stalling and RPM dip commonly associated with lightweight flywheel conversions. It also improves clutch engagement and throttle response while remaining fully compatible with standard flywheel cars.
OE Match chips are developed from completely new software, not modified factory maps. Hundreds of hours of dyno development and road testing have produced a calibration that delivers smoother idle, stronger torque, improved throttle response and outstanding drivability without triggering the Check Engine Light.
Features
- Designed for Porsche 964 Carrera 2 & Carrera 4 Manual and Tiptronic compatible
- Supports stock catalytic converter
- Compatible with factory silencers or muffler bypass pipes
- Works with or without an RS lightweight flywheel
- Includes the latest Lightweight Flywheel Fix
- Dyno-developed Bosch Motronic calibration
- Will not trigger the Check Engine Light
Benefits
- Increased horsepower and torque
- Eliminates the factory sub-4,000 rpm hesitation
- Sharper throttle response
- Improved low and mid-range acceleration
- Smoother idle
- Eliminates lightweight flywheel stalling
- Better everyday drivability
Porsche 964 Performance Chips & Bosch Motronic ECU Upgrades
OE Match Performance Chips are designed specifically for the Porsche 964, optimising the Bosch Motronic engine management to improve throttle response, torque and overall drivability. Whether your car is fitted with a factory flywheel, an RS lightweight flywheel, standard silencers or muffler bypass pipes, Design911 offers model-specific calibrations developed to maximise performance while maintaining factory reliability.