Window Lifters | Motors

Door Window With Window Lifter Rail, Clear, Without E-Mark.

The OE Match Door Window with Window Lifter Rail is a replacement clear side window glass assembly for classic Porsche 911 Coupe models. Supplied with the window lifter rail already associated with the glass, it provides an effective replacement for original door glass that has become scratched, damaged, broken or affected by problems around the window lifting mechanism.

Fits:

• Porsche 911 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

POSTING GLASS & WINDSCREENS
Although we take great care in packaging glass, we cannot offer insurance to cover breakage.
Therefore, we advise customers that they purchase glass by mail order at their own risk.

Diagram Ref No 7 And 9

The window forms an important part of the door assembly, providing visibility, weather protection and security while moving vertically within the door as the window regulator is operated. The attached lifter rail provides the connection and support required for the regulator mechanism to raise and lower the glass in a controlled and correctly aligned manner.

Designed as an OE-style replacement, this assembly is particularly suitable for restoration work, accident repair or refurbishment of ageing door and window mechanisms.

What This Product Does:

• Provides the main movable side window glass within the door.
• Maintains clear visibility through the side of the vehicle.
• Helps protect the cabin from wind, rain and road debris when closed.
• Works with the window regulator to raise and lower the glass.
• Uses the lifter rail to support and control the movement of the window.
• Helps keep the glass correctly positioned within the door frame and guides.
• Allows smooth and controlled window operation.
• Restores the appearance of damaged or heavily scratched original glass.
• Provides a replacement solution where the original glass or lifter rail is no longer serviceable.
• Helps maintain the original appearance of a classic Porsche during restoration.

Correct alignment between the glass, lifter rail, regulator and window guides is important for smooth operation. If any of these components become damaged or distorted, the window can tilt, bind or become difficult to operate.

Symptoms Of Wear Or Failure:
Door glass itself has few moving parts, but decades of use, contamination, incorrect adjustment and deterioration of the lifting mechanism can cause a range of problems.

Common signs that replacement may be required include:

• Cracked or broken window glass.
• Chips around the edges of the glass.
• Heavy scratches that affect appearance or visibility.
• Permanent marks or surface damage.
• Glass becoming loose within the lifter rail.
• Corrosion or deterioration of the window lifter rail.
• Window rattling inside the door.
• Glass tilting forwards or backwards while being raised.
• Window becoming difficult to raise or lower.
• Binding or sticking during operation.
• Window failing to close squarely against the seals.
• Excessive movement or play in the glass.
• Grinding, scraping or unusual noises when operating the window.
• Water or wind entering due to poor glass alignment.
• Window regulator struggling because the glass is no longer correctly supported.
• Previous accident damage to the glass or door mechanism.

A damaged or distorted lifter rail can prevent the regulator from supporting the glass evenly, causing the window to move at an angle rather than travelling smoothly through its guides.

Why Replacement Matters:
A correctly functioning door window is important for visibility, weather protection, vehicle security and everyday usability.

If the glass is badly scratched or damaged, visibility through the side window can be reduced. Cracked, chipped or weakened glass may also deteriorate further and eventually require urgent replacement.

Problems with the lifter rail can be equally important. The rail transfers movement from the window regulator to the glass. If it becomes loose, bent or corroded, the window may tilt or jam while being operated.

Continued operation with a damaged rail or misaligned glass can place additional strain on:

• The window regulator.
• Regulator arms and rollers.
• Window channels and guides.
• Door seals.
• Window winding mechanism or electric window motor, where fitted.
• The glass itself.

Replacing the complete glass and rail assembly restores a sound mounting point for the regulator and helps the window travel smoothly through its intended path.

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90154201

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Pivot repair pin window regulator. 
Sold each - 2 required per car

Fits:
Porsche 356 - 1950 to 1955
Porsche 356A - 1955 to 1959

Porsche 356B - 1959 to 1963
Porsche 356C - 1963 to 1965
Porsche 912 - 1965 to 1968
Porsche 911 - 1965 to 1968

Pivot repair pin for steel window regulator. The galvanised steel pivot spring retainer replaces the original soft aluminium pivot.
The slot is parallel to the other end.

Pivot pin for diagram ref no 1

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6445420440

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Repair kit window regulator. 
The repair kit is designed for the window regulator mechanism in early Porsche 911 models (including 911 & 912 1965-1969). It contains the essential components needed to refresh or restore the regulator’s smooth operation - such as gears, cables, bushings and mounting hardware - replicating the original Porsche factory specification.
1 kit per window regulator 

Fits:
Porsche 911 / 912  1965 - 1969

Fits to diagram ref no 1

• Position on Vehicle: Mounted inside the door as part of the manual or electric (depending on model) window regulator assembly — used when the window glass is raised or lowered.

• Applications: Ideal when the original regulator shows signs of wear such as slow/lumpy window movement, loose glass, regulator noise or when restoring the door mechanism to factory specification.

The window regulator repair kit is vital for maintaining smooth and secure window movement. A worn or failing window regulator can lead to slow or jerky window travel, uneven glass alignment, increased cabin noise or complete failure of the window mechanism. Replacing restores factory-level function, helps prevent further damage and maintains the original driving comfort of your Porsche.

When and why to replace:
• Window glass moves slowly, catches or binds during operation.
• The regulator assembly is noisy, loose, or the cables appear frayed or slack.
• The door panel has been removed for other work (e.g., speaker upgrade, wiring) - making access easier to perform the repair.
• During full door restoration or when you want to restore the vehicle to original specification.
• On older vehicles where the original window regulator has seen many years of service and may exhibit fatigue.

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PCG542041A

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Stop for the upper part of the door window frame on the body. 2 pieces are needed. Priced each.

Fits:
Porsche 911 1969-1976

Diagram ref no 29

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91153175302

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Window lifter rail rubber seal fits into the window lift rail.

Fits:
Porsche 911 1969-89 ALL
Porsche 964 1989-94 ALL
Porsche 993 1994-98 Coupe

Click 'zoom in' for large parts diagram.
Diagram ref no 15.

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Window lifter rail rubber seal fits into the window lift rail.
The window lift rail seal is an rubber strip designed to fit into the lower window lift rail, providing proper cushioning and grip for the door glass on Porsche 911, 964, and 993 Coupe models. It matches the original seal profile, hardness, and length to ensure smooth window operation and secure glass seating inside the lift channel.

Fits:
Porsche 911 1969 - 1989 ALL
Porsche 964 1989 - 1994 ALL
Porsche 993 1994 - 1998 Coupe

Diagram ref no 15.

The rubber sealing strip that sits inside the window lift rail (glass carrier channel). It grips the bottom edge of the door glass, ensuring the pane is securely held in place as the window regulator raises or lowers it.

This seal:
• Ensures the door glass is firmly clamped within the lift rail.
• Prevents rattling, vibration, or movement of the window during driving.
• Provides a cushioned interface between the metal rail and glass to prevent scratching or stress cracks.
• Helps maintain smooth and reliable window movement throughout the regulator’s travel.

Over time, the original window lift rail seal can harden, flatten, or crumble, causing the door glass to loosen inside the rail. This leads to rattling, uneven window movement, and even scratching or damage to the lower edge of the glass. Replacing the seal ensures the window is held firmly and quietly, restoring smooth operation and protecting both the regulator and the glass from premature wear.

Replace this seal if:
• The window moves inconsistently or tilts during operation.
• You hear rattling or vibration inside the door.
• The seal is visibly cracked, hardened, or missing sections.
• Glass shows scratches near the lower edge.
• You are replacing the regulator or restoring door internals.



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91154249140

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Window Lifter Rail Rubber Seal fits into the window lift rail.

Fits:
Porsche 911 1965-68 Targa / Coupe

Left or right

Click 'zoom in' for large parts diagram.
Diagram ref no 8

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Window Lifter Rail, Cross Arm Window Lift.
Restore smooth and reliable window operation with this OE Match Window Lifter Rail, Cross Arm Window Lift, manufactured as a direct replacement. Produced to OE-style specifications, this window lifter rail forms an integral part of the cross arm window regulator assembly, guiding the window glass through its full range of movement while maintaining correct alignment and stability.

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 1978-1979 3.0L / SC
• Porsche 911 1975-1977 3.0L Turbo (930)  

Diagram Ref No 21

Over time, the original window lifter rail can become worn, bent, corroded, or damaged through continual operation and age. Excessive wear can result in stiff window movement, poor glass alignment, excessive play, or complete regulator failure. Replacing a worn or damaged lifter rail restores smooth window operation and helps maintain the correct positioning of the door glass. This OE Match window lifter rail is ideal for routine maintenance, door repairs, and Porsche restoration projects.  

What This Product Does:

• Guides the movement of the door window glass.
• Supports the cross arm window regulator assembly.
• Maintains correct window alignment during operation.
• Helps ensure smooth raising and lowering of the window.
• Reduces unwanted movement within the regulator mechanism.
• Replaces bent, worn, or damaged original lifter rails.
• Provides an OE-style fit and dependable quality.

Symptoms Of Wear Or Failure:

• Window difficult to raise or lower.
• Window glass tilting or becoming misaligned.
• Excessive play within the window mechanism.
• Grinding or binding during window operation.
• Bent or corroded lifter rail.
• Window regulator no longer operating smoothly.
• Door restoration requiring replacement window regulator components.

Why Replacement Matters:

• The window lifter rail is a key component of the cross arm window regulator, providing the guidance and support needed for smooth, controlled movement of the door glass. A worn, bent, or damaged rail can cause poor window alignment, increased strain on the regulator, and unreliable operation, potentially leading to further damage within the window mechanism.
• Replacing a faulty lifter rail restores smooth window movement, maintains correct glass alignment, and helps extend the service life of the complete regulator assembly. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match Window Lifter Rail provides the correct fit, reliable performance, and long-lasting durability, making it an excellent choice for Porsche maintenance, repairs, and restoration projects.

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90154204

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Window Lifter Rail. Cross arm window lift.

Fits:
Porsche 911 1965-79 Cabrio / Targa

Diagram ref no 21

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Window Lifter Rail, Cross Arm Window Lift.
The OE MATCH Window Lifter Rail, Cross Arm Window Lift is a replacement component designed to restore smooth, reliable and correctly aligned door window operation on classic Porsche 911 Coupe models manufactured between 1965 and 1979.  

Fits:

• Porsche 911 1965-79 Coupe

Diagram Ref No 16

Manufactured to match the original equipment specifications, this window lifter rail forms an important part of the cross-arm window regulator assembly, providing the guiding and supporting surface required for the door glass to move correctly when raised or lowered.

The cross-arm window lifting mechanism uses a system of pivoting arms and guide rails to control window movement. As the window regulator operates, the lifting arms move through their designated travel, transferring movement to the window glass through the associated guide rail.

The window lifter rail helps maintain the correct relationship between the regulator mechanism and the window glass, supporting smooth movement, stable positioning and consistent operation.

Over time, original window lifter rails can become worn, bent, corroded or damaged due to repeated window operation, ageing, moisture and mechanical stress. A damaged rail may cause the window to become difficult to operate, move unevenly, rattle or fail to close correctly.

Replacing a worn or damaged window lifter rail with an OE MATCH component helps restore the original lifting mechanism, improve window glass alignment and reduce unnecessary strain on the regulator assembly.

Available in separate left-hand and right-hand versions, the OE MATCH Window Lifter Rail is ideal for classic Porsche window mechanism repairs, door refurbishment and complete restoration projects.

What This Product Does:
The window lifter rail is an important mechanical component within the cross-arm window regulator assembly.

Its primary functions include:

• Guides Window Movement: Provides a guiding track for the cross-arm regulator mechanism as the window is raised or lowered.
• Supports the Window Glass: Helps transfer lifting and lowering movement from the regulator arms to the door glass.
• Maintains Correct Glass Alignment: Supports consistent positioning of the window during its vertical movement.
• Distributes Lifting Forces: Helps transfer operating forces evenly through the window lifting mechanism.
• Supports Smooth Window Operation: Provides the intended guide surface for the moving regulator components.
• Reduces Unwanted Movement: Helps minimise excessive play or instability within the lifting assembly.
• Prevents Window Tilting: Supports the correct relationship between the window glass and regulator mechanism, reducing the risk of uneven movement.
• Protects Associated Components: Helps reduce unnecessary stress on regulator arms, rollers and connected mounting components.
• Supports Proper Window Closure: Helps the window reach its intended position within the surrounding glass guides and seals.
• Maintains Original Equipment Functionality: Replaces the factory guide rail while preserving the original cross-arm window lifting arrangement.

Symptoms Of Wear Or Failure:
Window lifter rails are exposed to repeated mechanical movement, vibration, moisture and environmental contamination throughout their service life.

Over time, the rail may become distorted, corroded or worn, affecting its ability to guide and support the window regulator correctly.

Common symptoms of a worn or failing window lifter rail include:

• Stiff or Difficult Window Operation: The window becomes harder to raise or lower due to increased friction or resistance within the regulator mechanism.
• Uneven Window Movement: The glass may tilt or move inconsistently as the regulator operates.
• Window Binding or Jamming: A bent or damaged rail may prevent the regulator arms or rollers from moving freely.
• Rattling Inside the Door: Excessive play or damaged rail mounting points may cause noises during driving or window operation.
• Loose or Unstable Window Glass: The glass may move excessively due to deterioration within the lifting mechanism.
• Visible Rail Corrosion: Rust or surface deterioration may interfere with smooth regulator movement.
• Bent or Distorted Rail: Physical deformation may prevent the regulator from following its intended travel path.
• Worn Guide Surfaces: Repeated movement may wear the rail's contact surfaces, creating excessive clearance.
• Grinding or Scraping Noises: Damaged guide surfaces or misaligned regulator components may produce unusual sounds when operating the window.
• Window Not Closing Correctly: The glass may fail to reach its intended fully raised position.
• Window Dropping or Slipping: Severe damage to the rail or its associated connections may allow the glass to move unexpectedly.
• Damaged Mounting Points: Cracked, loose or distorted attachments may prevent the rail from remaining securely positioned.
• Excessive Window Winder Effort: Additional resistance in the mechanism may make the manual window handle harder to turn.
• Damage Following Door Repairs: Previous window glass removal, incorrect installation or accidental impact may cause rail misalignment.

Why Replacement Matters:
Replacing a worn, bent or damaged window lifter rail is important for restoring reliable window operation, maintaining correct glass alignment and protecting the associated regulator mechanism.

Key Benefits of Replacement:

• Restores Smooth Window Movement: Provides a correctly shaped guide surface for consistent raising and lowering of the window.
• Improves Window Glass Alignment: Helps prevent uneven movement, tilting and binding.
• Reduces Window Rattling: Helps eliminate unwanted movement caused by a damaged or loose rail.
• Supports Reliable Window Closure: Allows the regulator to guide the glass towards its intended fully closed position.
• Reduces Regulator Strain: Helps prevent additional mechanical stress caused by resistance or misalignment.
• Protects Window Regulator Components: Reduces unnecessary wear on lifting arms, rollers and mounting hardware.
• Helps Prevent Further Damage: Replacing a defective guide rail can reduce the risk of damage to other window mechanism components.
• Maintains Original Equipment-Style Fitment: Designed to match the factory cross-arm window lifting assembly.
• Restores Correct Lifting Geometry: Helps maintain the intended movement and positioning of the regulator arms.
• Supports Window Seal Contact: Correct glass alignment helps the window meet its surrounding seals as intended.
• Ideal for Door Restoration: Suitable when refurbishing classic Porsche door mechanisms.
• Cost-Effective Window Repair: Allows the damaged rail to be replaced without necessarily renewing the complete regulator.
• Supports Long-Term Reliability: Helps maintain dependable operation through repeated window use.
• Preserves Classic Porsche Originality: Retains the original-style mechanical window lifting arrangement.

A damaged window lifter rail may initially cause minor stiffness or irregular glass movement. However, continued operation can place additional strain on the window regulator arms, rollers and associated mounting components.

If the window becomes severely misaligned or jammed, excessive force applied to the winding mechanism may cause further damage.

Replacing the defective rail with an OE MATCH component helps restore smooth operation while reducing the risk of further wear within the door window mechanism.

Correct window alignment also contributes to improved sealing around the door glass, helping reduce unwanted wind noise and water ingress associated with poor window positioning.

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90154204

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Window lifter rail.

Fits:
Porsche 911 1965-68 OUPE
From chassis numbers:
030 2921 >>
035 1599 >>
045 3638 >>

Click 'Zoom in' for large parts diagram.
Diagram ref no 9

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Fits:
Porsche 911 / 912 - 1965 to 1967
Does not fit 1968 models

Diagram ref no 1

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Fits:
For cars with MANUAL window winder.
Porsche 911/912 1965-68

Click 'Zoom in' for large parts diagram.
Diagram ref no 1

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Fits:
Porsche 911 / 912 1965-69

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Fits:
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