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9115429
Product Information
Product Information
Window regulator. Manual winder mechanism.
OE Match manual window regulator for Porsche 911 Coupe models from 1969 to 1989. Available for left and right side applications, this replacement regulator helps restore smooth manual window operation and correct door glass movement.

Fits:
Porsche 911 1969-89 Coupe
Please Note: Early 911's (pre '80) might need newer type rail and rubber ply (square type)

Part numbers:
- Window Rail Left 91154205700
- Window Rail Right 91154205800
- Rubber ply 91154249140 (Left or Right)

The window regulator raises and lowers the door glass when the window winder handle is operated. A correctly working regulator allows the glass to move smoothly within the window channels and helps maintain proper alignment inside the door.

Functions
Replaces the manual window regulator
•  Available for left and right side applications
•  Raises and lowers the door glass manually
•  Supports smooth window winder operation
•  Helps maintain correct door glass alignment
•  Replaces worn, stiff, damaged, loose, or failed original regulators
  OE Match replacement for Porsche 911 Coupe door window repair.

Why Replace This Part?
Manual window regulators can wear, bend, seize, strip, or become loose due to age, repeated use, lack of lubrication, worn guides, and door glass resistance. A faulty regulator may cause stiff winding, uneven glass movement, slipping, rattling, or failure of the window to raise or lower correctly. Replacing the regulator helps restore reliable manual window operation.

When to Replace This Part
•   The window is stiff, noisy, or difficult to wind
•   Door glass drops, slips, or does not stay in position
•   The window will not raise or lower correctly
•   The regulator mechanism is bent, worn, seized, or damaged
•   Door glass alignment or movement is poor
•   Door rebuild, glass service, or restoration work is being carried out
•   The vehicle is undergoing Porsche 911 Coupe interior or body restoration.

Where it fits on the car
This regulator fits inside the door shell on Porsche 911 Coupe models from 1969 to 1989. Left and right side versions are available depending on the door being repaired.

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Related, superseded, cross reference or alternative numbers for comparison.

9115429
91154292903
91154293003

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