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Door Glass
By OE Match
- 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
The OE Match Vent Window Seal is a replacement rubber sealing frame for the opening front vent window fitted to selected early Porsche 911 and 912 Targa models.
Fits:
Diagram Ref No 16
Mounted around the perimeter of the small opening vent glass, the seal creates a flexible weather-resistant barrier between the glass and its surrounding frame. Its job is to help keep rainwater, wind and road contamination outside the cabin while allowing the vent window to open and close correctly.
Over time, the original rubber can harden, flatten, crack or shrink as a result of UV exposure, heat, cold and repeated compression. Once the seal loses its elasticity, it may no longer sit firmly against the glass, resulting in water leaks, wind noise, rattling or poor vent-window closure.
Replacing a deteriorated vent-window seal helps restore weather protection, reduce cabin noise and preserve the fit and appearance of the original Targa window assembly.
What This Product Does:The Vent Window Seal forms the weatherproof contact surface between the opening vent glass and its frame.
Its main functions are to:
- Help prevent rainwater entering around the vent window.
- Reduce wind noise while driving.
- Prevent dust and road contamination entering the cabin.
- Cushion the vent glass against the surrounding frame.
- Help maintain correct glass positioning.
- Reduce rattles and vibration.
- Support smooth vent-window closure.
- Restore the original appearance of the window assembly.
Symptoms Of Wear Or Failure:
Common symptoms include:
- Water entering around the vent window.
- Wind noise at speed.
- Whistling around the front side glass.
- Hardened rubber.
- Cracked rubber.
- Seal shrinkage.
- Visible gaps around the glass.
- Flattened sealing surfaces.
- Loose or displaced sections.
- Vent glass rattling when closed.
- Increased dust entering the cabin.
- Water staining around door trim.
- Poor vent-window closure.
- The glass needing extra pressure to seal correctly.
Why Replacement Matters:
Replacing a worn Vent Window Seal helps restore:
- Weather resistance.
- Reduced water ingress.
- Reduced wind noise.
- Correct vent-glass support.
- Reduced rattling.
- Improved cabin refinement.
- Protection of the door and interior.
- Proper appearance around the glass.
On an early Porsche Targa, good window sealing is particularly important because multiple separate seals work together around the removable roof and side-glass system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91154213
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
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91154249140
The product you are viewing cross references to these numbers
OEMatch Door Glass — Fit, Finish, Clarity
OEMatch Door Glass components are compatible replacements engineered to original-spec dimensions and tolerances — a practical option when genuine or OEM parts are unavailable. Door glass seals form a weatherproof barrier around each door window, reducing wind noise, preventing water ingress and protecting interior trim on Porsche models.
Available Types
- Full window run seals
- Outer door glass seals
- Window channel liners and edge trims
Understanding OEMatch Door Glass
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original door glass.
OE (Original Equipment) refers to parts matching original specifications for the door glass and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM door glass engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. Door glass seals sit in channels and on runs that guide the glass and maintain a continuous seal between glass and door frame. When seals lose elasticity or distort, water and noise can enter and window movement may be impeded; choosing the correct profile helps retain function and appearance.
Benefits Include
- Restores watertight sealing to prevent moisture damage to carpets and electrics
- Reduces wind noise and vibration for a quieter cabin
- Ensures smooth window movement and protects glass edges from wear
Why Door Glass Wear and Fail
- UV and ozone exposure causing hardening or cracking
- Compression fatigue and loss of sealing elasticity
- Contamination or damage from debris and misaligned windows
The Importance of Replacing with OEMatch Door Glass
Prompt replacement of worn seals prevents water ingress that can damage trim, carpet and electronics and avoids corrosion to internal door structures. Correct seals help maintain climate control efficiency and window alignment on Porsche vehicles while limiting progressive wear to adjacent components.
Advantages
- Suitable for restorations and routine maintenance on Porsche models
- Made from durable rubber compounds resistant to UV and ozone
- Available in profiles that match original runs and channels to preserve function and finish
Support & Advice
Fitting can appear straightforward but may require specific procedures such as correct positioning, sealing detail and careful reassembly to avoid panel damage. If you lack the right tools or experience, or if the vehicle includes hidden fasteners or sensors, seek professional installation. Recheck fasteners and seal compression after initial use.
