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- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
The Window Regulator, Front Left is a genuine OEM Porsche door mechanism component designed to control the smooth raising and lowering of the front left window glass. Installed inside the driver or passenger door assembly depending on vehicle specification, the window regulator works with the electric window motor to guide the glass securely and accurately within the door frame.
Fits:
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
9VJ - Top Premium Sound System
9VK - Sound Package 1/Sound Package
9VL - Sound Package 2/High-End Sound System
Diagram Ref No 1
What This Product Does:
- Raises and lowers the front left window glass
- Guides the window smoothly within the door frame
- Works with the electric window motor for powered operation
- Maintains correct window alignment and sealing
- Supports secure and reliable window functionality
Symptoms Of Wear Or Failure:
- Window moving slowly or unevenly
- Grinding, clicking, or snapping noises inside the door
- Window becoming stuck or dropping unexpectedly
- Crooked or misaligned window movement
- Complete failure of the window to open or close
- Loose cables or broken regulator mechanism
Why Replacement Matters:
- Restores smooth and reliable window operation
- Maintains correct window alignment and sealing
- Prevents window glass from becoming stuck or damaged
- Improves vehicle security and weather protection
- Reduces strain on the window motor and door components
- Ensures long-term reliability of the electric window system
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
958837461
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
OE Match window lifting rail for Porsche 356A T2, 356B and 356C Cabriolet models. It forms part of the door window mechanism and supports controlled movement of the glass.
Fits
Porsche 356A T2 / 356B / 356C Cabriolet
Diagram ref no 27
What This Product Does
The lifting rail connects the door glass to the window-lifting mechanism, helping the glass remain supported and correctly aligned while it is raised or lowered.
Functions
- Supports the door window glass
- Transfers movement from the window mechanism
- Helps maintain smooth, even window travel
- Assists correct glass alignment within the door guides
Technical Details
- OE Match replacement window lifting rail
- Left-hand reference: 64454204521
- Right-hand reference: 64454204621
Symptoms of Fault
- Door glass tilts or binds during operation
- Window travel becomes uneven or requires assistance
- Clicking, scraping or grinding from inside the door
- Glass drops or does not remain securely supported
- Difficulty fully opening or closing the window
Why Replacement Matters
A worn, bent or corroded lifting rail can affect window alignment and place additional strain on the regulator and guides. Replacing the damaged component helps restore consistent movement and allows the glass to close correctly against its seals.
FAQs
- Is the rail side-specific?
Yes. Reference 64454204521 is for the left side and 64454204621 is for the right side. - What should be inspected during installation?
Check the regulator, glass guides, clamps and related fittings for wear, corrosion or incorrect alignment. - Why does the window glass tilt?
A damaged lifting rail, loose glass mounting or wear elsewhere in the regulator mechanism can allow uneven movement.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64454204
The product you are viewing cross references to these numbers