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Rear 1/4 glass frame seal "For Opening Window Type". Porsche 911 ❭ 90154319120
- 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
Fits:
Porsche 911 1965-77
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90154319120
The product you are viewing cross references to these numbers
- 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)
This seal creates a tight, weather-proof barrier around the rear quarter glass, preventing water ingress and dust from entering the cabin. It reduces wind noise and vibration by stabilising the glass and isolating the interior from exterior air movement. In addition, it maintains the proper positioning and secure fit of the quarter glass within the vehicle’s body framework.
Fits:
Porsche 911 1974 - 1986
Diagram ref no 2
This seal plays a critical role in the vehicle’s body integrity and cabin comfort. By sealing the gap between quarter glass and bodywork, it aids in:
• Waterproofing & weather protection: Keeping rain, moisture, dust, and debris out of the cabin, protecting interior trim and preventing rust or water damage.
• Noise insulation: Minimising wind and road noise intrusion - important on older or classic cars where original seals may have deteriorated.
• Glass stability & structural fit: Ensuring the quarter glass remains securely and properly seated, preventing rattles or movement which could lead to leaks or damage over time.
Over time, rubber seals can degrade - becoming hard, brittle, cracked or misshapen. When that happens:
• Water can leak into the cabin, potentially damaging upholstery, carpets, and causing rust or interior corrosion.
• Dust and debris infiltration may occur, reducing cabin cleanliness and air quality.
• Increased wind noise and draft can degrade driving comfort.
• Glass may become unstable, leading to rattles, leaks, or even glass damage.
Replacing the seal ensures the vehicle remains weather-tight, maintains correct structural fitment, and preserves the integrity and comfort of the cabin - particularly important for classic cars where original seals may no longer be available or functional.
Consider replacing the seal if any of the following occur:
• Rubber shows visible cracks, shrinkage, hardening or deformation.
• You experience water leaks or moisture inside the cabin, especially near the quarter window.
• Noticeable wind noise or drafts at higher speeds.
• Dust or debris is entering around the quarter glass seal area.
• The glass feels loose, rattles, or moves slightly within its frame.
• You are restoring or maintaining the car to ensure factory-correct sealing and finish.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91154303
The product you are viewing cross references to these numbers
- 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
Rear quarter lower moulding rubber strip installed on Targa-body 911 and 964 models. It sits under the rear quarter decorative trim and acts as both a finish piece and a sealing component. Manufactured to match the original Porsche profile, the seal restores the proper fit and weather protection around the lower rear quarter area - a crucial detail for both cosmetic quality and preventing moisture intrusion on older Targa bodies.
Fits:
Porsche 911 1974 - 1989 Targa
Porsche 964 1989 - 1994 Targa
Diagram ref no 10
With age, the original rubber becomes brittle, shrinks, or deforms, causing gaps around the rear quarter moulding. This can lead to:
• Water leakage behind trim
• Corrosion on rear quarter panels
• Trim misalignment or rattling
• A visibly worn or uneven exterior appearance.
Installing a fresh seal restores proper fitment, protects bodywork, and improves the overall look of the Targa’s iconic rear quarter design.
When to Replace. You should replace this seal if:
• The rubber is cracked, shrunken, or missing sections
• The rear quarter moulding no longer sits flush
• Water or dirt is collecting behind the trim
• A Targa exterior restoration or repaint is being performed
• You notice vibration or noise from the rear quarter moulding
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90156555740
The product you are viewing cross references to these numbers
- 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 1987-89
Chassis numbers: 91KS100959>> / 93KS000185>>
Porsche 964 1989-94
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Diagram Ref: 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96454303
The product you are viewing cross references to these numbers
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