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Door Window Vibration Wedge / Thrust Wedge. Porsche 928 1978-95 ❭ 92853734
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
The Porsche Door window vibration wedge / thrust wedge is a genuine OEM component designed to secure and stabilize the door window glass inside the frame. Also known as a window thrust wedge or window vibration wedge, this part helps maintain proper glass alignment, prevents rattles, and reduces wind noise when driving.
Fits:
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
What This Product Does:
The thrust wedge works inside the door window and door shell / door surround area to help ensure the window glass is properly aligned within its track and that the window doesn’t vibrate, rattle, or shift within the door frame.
Symptoms / Signs It Needs Replacing:
- Window rattle or vibration, especially while driving at speed, as the glass isn’t held firmly.
- Excessive play in the window — meaning the glass moves or wiggles more than it should.
- Misalignment of window, where it doesn’t close flush or track smoothly.
- Noise from wind or whistling, particularly around the window/door shell interface.
- The wedge is visibly cracked, deformed, or absent when panels are removed.
Why Replacement Matters:
- Restores precise window alignment and stops unwanted vibration or movement of the glass.
- Reduces or eliminates noise, wind whistling or rattles due to a loose or misaligned window.
- Protects seals and weatherstrips by keeping glass pressed properly into seals — helps prevent leaks.
- Improves longevity of window channels, glass edges, and seals by maintaining correct tolerances and reducing wear.
Diagram Ref No 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92853734
The product you are viewing cross references to these numbers
- 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 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 SWB 01/1963-07/68
Porsche 911 LWB 06/1968-89
Please note that the area around the rear deck lid pull is different on 66-69 model
Click 'Zoom in' for large parts diagram.
Diagram ref no 22.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91150204204
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
Fits: left or right side.

Fits:
Porsche 911 1965-69
Click 'Zoom in' for large parts diagram.
Diagram ref no 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90153103520
The product you are viewing cross references to these numbers
- 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 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 911 1966-89
Porsche 964
Diagram ref no 21
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91153206
The product you are viewing cross references to these numbers
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