Window Mechanism


Fits:
Porsche 955 Cayenne MKI Front door
Porsche 957 Cayenne MKII Front door
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95554246
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
These OE-Match window regulators are designed for the front doors of Porsche Cayenne (955 / 957). Direct replacements that restore smooth, reliable window operation.
Fits:
Porsche 955 Cayenne 2003 - 2006 Front door
Porsche 957 Cayenne 2007 - 2010 Front door
Diagram ref no
What window regulators do:
• window regulators move the window glass up and down via a guide mechanism, ensuring smooth, reliable operation under varying loads,
• window regulators maintain proper alignment and tension, preventing binding, rattles, or mis-movement in the window channel.
Over time, regulators can wear, warp, or fail (cables fray, motors struggle), leading to slow, jerky, or non-working windows. An replacement restores factory smoothness, fit, and reliability—with the correct mounting points, geometry, and materials—to match the original spec.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95554246
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10


Fits:
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
When ordering parts whats Left or Right Side ?
Left and right is always determined as you are sitting in the vehicle it will be your left side or right side regardless of the vehicle being left hand drive or right hand drive.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95553346
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10

Fits:
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
When ordering parts whats Left or Right Side ?
Left and right is always determined as you are sitting in the vehicle it will be your left side or right side regardless of the vehicle being left hand drive or right hand drive.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95553346
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Window mechanisms are the core components that allow your Porsche’s windows to move smoothly up and down. Located inside the door panel, these assemblies typically consist of a regulator, cables, pulleys, and guides that work together to raise or lower the glass when activated by the electric window motor and switch.
At Design911, we supply high-quality window mechanism assemblies for all Porsche models - from classic air-cooled 911s to the latest Boxster, Cayman, Cayenne, Macan, and Panamera. Each part is designed to restore precise window movement and perfect alignment, ensuring your car retains its comfort, performance, and style.
What Do Window Mechanisms Do?
The window mechanism (or regulator) transfers motion from
the electric window motor to the glass. It ensures smooth, consistent, and
balanced movement of the window within the guide rails. Depending on your
Porsche model, the system may use a cable-operated, scissor-type,
or gear-driven design.
A correctly functioning window mechanism ensures:
- Smooth and quiet window travel.
- Secure sealing against wind and rain.
- Reliable operation for ventilation and safety.
Why Do Window Mechanisms Fail?
Over time, window regulators can wear out due to repeated
use, exposure to moisture, and mechanical stress. Common causes of failure
include:
Signs of failure include grinding noises, slow window operation, or glass stuck halfway.
Why Replace Faulty Window Mechanisms?
A failing window mechanism compromises both comfort and
safety. A window that won’t close properly can let in rain, reduce security, or
fail an MOT test. Replacing a worn mechanism ensures:
- Restored smooth window movement.
- Improved cabin comfort and quietness.
- Proper sealing and protection from elements.
- Prevention of further motor or switch damage.
Design911 offers OEM-spec and genuine Porsche window mechanisms for an exact fit and long service life — the ideal solution to restore factory-quality operation and appearance.