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Design911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png +443456003478 https://www.design911.co.uk Facebook Instagram
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Porsche > 996 (911) (1997-2005) > Electrical & Relays >

Window Mechanism

Window Mechanism

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DISPLAYING 1 to 4 (of 10 products)
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Door Card Clip WHITE Porsche 996 / 986 Boxster - 99950750540
2
Door Card Clip WHITE Porsche 996 / 986 Boxster
Special Order item
99950758240
Product Information
Product Information
Door Card Clip WHITE. 8.0 x 0.9

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 996 Carrera 1998-05
Porsche 996 Turbo 2001-05
Porsche 996 GT3 MKI


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Diagram ref no 6

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99950758240
99950750540

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Door card clip, GREY. Porsche 996 / 986 Boxster - 99950750540
5
Door card clip, GREY. Porsche 996 / 986 Boxster
Special Order item
99950750540
Product Information
Product Information
Door card clip, GREY.
Porsche Genuine OE Door interior trim panel clip. This small but essential component is used to secure the interior door trim panel (door card) to the door frame on select Porsche 911 and Boxster models, preserving fitment, finish and noise-free operation. It is supplied in the correct grey colour used on many factory interiors.
Sold individually, 8 required per door card.

Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 996 Carrera 1998 - 2005
Porsche 996 GT3 MKI

Diagram ref no 6

This trim panel clip functions as a fastener/retainer that holds the interior door card to the sheet-metal door shell. It ensures that the trim panel stays snugly in place, prevents rattling or sagging over time, and supports correct panel alignment and gap integrity. While small in size, these clips are critical for a quality interior install and are commonly replaced when door panels are removed for service or repair.

Functions & Technical Role:
•  Interior trim retention: Secures the door card to the door shell
•  Anti-rattle support: Helps stop vibration and panel noise
•  OEM-matched fit: Clip shape and size engineered for Porsche door components
•  Quick service access: Enables repeat panel removal and re-installation without damage
•  Durable construction: Made to withstand repeated door use over many years

Interior clips like this are small, but they play a big role in panel retention, noise reduction, and interior quality perception. Over time, plastic clips can become brittle or break when door panels are removed for access to speakers, wiring or window regulators. Replacing them with genuine Porsche OE clips ensures precise engagement, correct fit, and long-term reliability - keeping your interior looking and feeling factory-finished.

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99950750540
99950750540

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Door Card Expander Nut Porsche 996 / 986 Boxster - 99655583105, 99655583205
1
Door Card Expander Nut Porsche 996 / 986 Boxster
Special Order item
99950765140
Product Information
Product Information
Expander Nut. 9.0 x 0.9

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 996 Carrera 1998-05
Porsche 996 Turbo 2001-05
Porsche 996 GT3 MKI


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Diagram ref no 7

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99950765140
99655583105
99655583205

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Inner door membrane seal. Porsche 996 / 986 Boxster - 99655583105, 99655583205
3
Inner door membrane seal. Porsche 996 / 986 Boxster
Special Order item
99655583
Product Information
Product Information
Inner door membrane seal.

porsche

Fits:
For cars WITH door speakers M490 / M680
Porsche 986 Boxster 1997-04
Porsche 996 Carrera 1998-05
Porsche 996 Turbo 2001-05

Important Notice: Please Read Before Purchasing

This product is supplied by Porsche with adhesive already applied. However, due to the packaging and handling process, you may need to apply additional adhesive to the membrane. This is how they are provided directly from the factory, and unfortunately, it’s beyond our control. Please note that these items are sold as-is and cannot be refunded. Be prepared to add extra adhesive if necessary for proper installation. Thank you for your understanding.


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Diagram ref no 4

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Related reference numbers
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99655583
99655583105
99655583205

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DISPLAYING 1 to 4 (of 10 products)
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About Window Mechanism

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:

  • Broken cables or pulleys: Caused by corrosion or tension fatigue.
  • Worn plastic clips or guides: Often brittle with age or temperature changes.
  • Motor strain: Caused by a stiff or misaligned regulator.
  • Internal gear damage: Resulting in uneven or stuck window travel.

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.

 

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