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Window Mechanism
By OE Match
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Electric Window Relay
Restore reliable operation of your Porsche's electric
windows with this OE Match Electric Window Relay. This relay controls the electrical
power supplied to the power window system, ensuring smooth, dependable
operation every time you press the window switch.
Fits:
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
This OE Match relay installs directly into the factory relay board using the original relay location, making it an ideal replacement for worn, ageing or failed original relays.
Whether you're repairing intermittent window faults or carrying out preventative maintenance, using a OE Match relay ensures the correct electrical performance, durability and compatibility expected from an original factory component.
What Does the Electric Window Relay Do?
The electric window relay is an essential part of the vehicle's power window electrical circuit.
Its functions include:
- Controlling power delivery to the electric window motors.
- Providing switched electrical current to the window system.
- Protecting window switches from carrying high electrical loads.
- Ensuring smooth and reliable window operation.
- Supporting safe and consistent operation of both driver and passenger windows.
Without a correctly functioning relay, the power window system may not receive the electrical supply required for normal operation.
Why Do Electric Window Relays Fail?
Electrical relays operate every time the windows are used and are subjected to thousands of switching cycles throughout their service life.
Common causes of failure include:
- Internal contact wear.
- Heat generated by repeated electrical switching.
- Oxidation of electrical contacts.
- Age-related deterioration of internal components.
- Moisture entering the relay board.
- High electrical loads caused by ageing window motors or regulators.
As the relay ages, internal resistance increases, leading to unreliable or intermittent electrical operation.
When Should the Relay Be Replaced?
Replacement is recommended when:
- Electric windows stop working intermittently.
- Both windows fail to operate despite good switches and motors.
- The relay clicks but the windows do not move.
- Window operation becomes unreliable.
- Diagnosing electrical faults within the power window system.
- Restoring an original Porsche electrical system.
- Carrying out preventative maintenance on higher-mileage vehicles.
Replacing a faulty relay is often one of the quickest and most cost-effective ways to restore dependable electric window operation.
OE Match Features
- OE Match quality replacement.
- Manufactured to closely replicate original factory specifications.
- Plug-and-play installation.
- Correct switching characteristics for factory electrical systems.
- High-quality internal contacts for dependable operation.
- Durable construction for long service life.
- Ideal for restoration, repair and preventative maintenance.
Relay Board Location
For easy identification during installation:
- Porsche
944 / 968: Relay board position G7
- Porsche 928: Relay board position VI
Always verify the relay location using the appropriate workshop manual for your specific model year.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94461511601
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94

For some time now 924, 944 & 968 owners have been buying new and used window regulators to solve this problem for astronomical amounts of money. Why buy a whole new unit when all you need to replace are three plastic rollers?
The solution is here. This kit has the three rollers needed to repair the power window regulator back to factory new working condition.
Applications:
Porsche 944 ALL
Porsche 944 Turbo ALL
Porsche 924s ALL
Porsche 968 ALL
Kit Contains:
3 replacement window regulator rollers (One Window)
Grease to pre-lube the rollers
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94453700000
The product you are viewing cross references to these numbers
OEMatch Window Mechanism — Fit, Function, Confidence
Window mechanisms control the up-and-down movement of door glass on Porsche models and are essential for comfort, security and weatherproofing. OEMatch supplies replacement window mechanisms and maintains an extensive parts catalogue and cross-reference data to help identify the correct item for each application.
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original window mechanisms. OE (Original Equipment) refers to parts matching original specifications for the window mechanisms and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM window mechanisms engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Window mechanisms sit inside the door and typically combine a regulator, cables or linkages, pulleys and guides that transfer motion from the electric window motor to the glass. Designs vary by model and era; common types include cable-operated regulators, scissor-type linkages and gear-driven units.
Benefits Include
- Restored smooth and quiet window travel across the full travel range
- Correct glass alignment and sealing to reduce wind noise and water ingress
- Lower motor and switch load by removing friction and binding
Why Window Mechanism Wear and Fail
- Broken cables or seized pulleys due to corrosion or contamination
- Brittle or worn plastic clips and guides that no longer hold the glass securely
- Internal gear or regulator wear causing uneven or stuck window movement
The Importance of Replacing with OEMatch Window Mechanism
A worn or failed window mechanism can compromise security and allow water into the door cavity, increasing the risk of corrosion and electrical faults. Replacing a faulty unit restores proper sealing and operation, reduces the chance of further motor or switch damage, and helps maintain the vehicle’s comfort and resale condition for Porsche models.
Advantages
- Direct-fit replacements engineered to match original dimensions and tolerances where applicable
- Extensive cross-reference information to help locate the right item for classic and modern Porsche models
- Options that cover common failure points such as cables, pulleys and mounting clips
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified and recheck fasteners after an initial period of use.