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Porsche > 924 (1977-1988) > 924S 2.5L 1988 > Electrical & Relays >

Window Mechanism

Window Mechanism

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DISPLAYING 1 to 4 (of 4 products)
Electric window regulator repair kit. Porsche 914 /924S / 944 / 968 - 94453704200, 94453704100, 477837391C, 477837392C - 1096
1
Electric window regulator repair kit. Porsche 914 /924S / 944 / 968
1096
Product Information
Product Information
Power window cross arm repair kit.
Set of 3 rollers

Fits:
Porsche 914
Porsche 924S
Porsche 944 (also S, S2 and turbo)
Porsche 968

Old electric windows become sluggish and sometimes stutter. This is often due to the worn roles that are clipped on the ends of the cross arms. They are worn, partly stuck and then no longer roll off at the lower edge of the pane. Partly the roles are also completely broken off. They are not individually available at Porsche and so there was no alternative than to look for a slightly better, used and still expensive windows.

With this set of three rollers and a teflon-containing (= PTFE) lubricant can be a window lifter (left or right) renew. The rollers are made of a durable thermoplastic material.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

1096
94453704200
94453704100
477837391C
477837392C

The product you are viewing cross references to these numbers
Window Regulator ELECTRIC. Porsche 924 / 924 S / 944 / 968 - 94453794201, 94453794101
1
Window Regulator ELECTRIC. Porsche 924 / 924 S / 944 / 968
Special Order item
94453794201
Product Information
Product Information
Window Regulator, RIGHT only.
For cars with ELECTRIC window winder.

porsche

Fits:
Porsche 924 1976-85
Porsche 924S 1986-88
Porsche 944 1982-91
Porsche 968 1992-95
Coupe

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94453794201
94453794201
94453794101

The product you are viewing cross references to these numbers
Window regulator roller repair kit. Porsche 924 / 924 S / 944 / 968 - 94453794201, 94453794101
1
Window regulator roller repair kit. Porsche 924 / 924 S / 944 / 968
94453700000
Product Information
Product Information

Window Regulator Roller Repair Kit for One Window
Sold each - 2 required per car

Restore smooth, reliable operation of your Porsche's electric windows with this Window Regulator Roller Repair Kit. Manufactured to OE specifications, this precision-engineered repair kit replaces the worn or damaged rollers within the window regulator mechanism, eliminating sticking, uneven movement and excessive strain on the electric window motor.

Fits:

  • 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


Kit Contains:
3 x replacement window regulator rollers for one window
1 xGrease to pre-lube the rollers

The regulator rollers guide the window mechanism smoothly along its tracks every time the window is raised or lowered. Over years of use, the original plastic rollers can become brittle, crack or wear flat, causing the window to bind, move unevenly or stop operating altogether. Replacing the rollers restores smooth movement while extending the life of the complete regulator assembly and window motor.

Ideal for preventative maintenance, restoration projects or repairing faulty window mechanisms, this OE Match repair kit provides a cost-effective alternative to replacing the complete window regulator.

What Does the Window Regulator Roller Repair Kit Do?

The window regulator rollers are responsible for guiding the regulator mechanism as it raises and lowers the door glass.

Their primary functions include:

  • Providing smooth movement of the window regulator.
  • Guiding the window mechanism along its tracks.
  • Reducing friction within the regulator assembly.
  • Supporting accurate window alignment.
  • Reducing load on the electric window motor.
  • Helping prevent regulator wear.
  • Maintaining smooth and quiet window operation.

Properly functioning rollers are essential for reliable electric window performance and help minimise unnecessary wear on surrounding components.

Why Replace the Window Regulator Rollers?

Window regulator rollers experience constant movement and loading throughout the life of the vehicle.

Common reasons for replacement include:

  • Worn or flattened rollers.
  • Cracked or broken plastic rollers.
  • Excessive friction.
  • Binding window mechanism.
  • Noisy window operation.
  • Regulator overhaul.
  • Preventative maintenance.
  • Window restoration projects.

Replacing the rollers restores smooth regulator movement and helps avoid premature failure of the window motor and regulator assembly.

Symptoms of Worn Window Regulator Rollers

Common warning signs include:

  • Slow window movement.
  • Window sticking during operation.
  • Jerky or uneven window travel.
  • Clicking or grinding noises inside the door.
  • Window tilting as it moves.
  • Electric motor straining.
  • Window failing to fully open or close.
  • Visible damage to the regulator rollers during inspection.

Addressing worn rollers early can help prevent more expensive repairs to the regulator and electric window motor.

Benefits

  • Restores smooth electric window operation.
  • Reduces strain on the window motor.
  • Eliminates sticking and uneven movement.
  • Helps prolong the life of the window regulator.
  • Quiet, reliable operation.
  • Factory-quality fitment.
  • Cost-effective repair solution.
  • Excellent value OE Match replacement.

Installation Recommendations

For the best results, inspect or service associated components during installation, including:

  • Window regulator assembly.
  • Electric window motor.
  • Window guide rails.
  • Door glass guides.
  • Window channels.
  • Door moisture barrier.
  • Door clips and fasteners.
  • Window switches and electrical connections.

Clean the regulator tracks thoroughly and apply a suitable window regulator lubricant before reassembly. After installation, check that the window travels smoothly throughout its full range and that the glass aligns correctly with the door seals.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94453700000
94453794201
94453794101

The product you are viewing cross references to these numbers
Window regulator, MANUAL. Porsche 924 / 924S / 944 - 477837441A, 477837442A
1
Window regulator, MANUAL. Porsche 924 / 924S / 944
Special Order item
477837442A
Product Information
Product Information
Window regulator - Right side only - Please note Left side is now discontinued.

porsche

For cars with MANUAL window winder

Fits:
Porsche 924 1976-85
Porsche 924S 1986-88
Porsche 944 1982-85

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

477837442A
477837441A
477837442A

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 4 products)
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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