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Sunroof Seals
Kit includes
Sunroof seal - front x 1
Sunroof seal - rear x 1
Fits:
Porsche 928 - 1978 to 1995
Click 'Zoom in' for large parts diagram.
Diagram ref no 5 and 5A
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92856426103
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 928 1978-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92856425904
The product you are viewing cross references to these numbers
- 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
Shop Securely
12 Month Warranty
Worldwide Delivery
Sunroof Seal Front Section.
The OE Match Sunroof Seal is a replacement rubber sealing
component designed for Porsche 928 models equipped with the corresponding
factory sunroof.
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
Diagram ref no 5
This seal helps maintain a weather-resistant fit between the sunroof panel and surrounding roof opening, reducing wind noise and limiting moisture ingress.
Over time, original sunroof seals can become brittle, cracked or compressed due to sunlight, temperature changes and general ageing.
What Does It Do?
The sunroof seal provides a protective barrier around the corresponding section of the sunroof assembly, helping reduce wind noise, water penetration and unwanted vibration.
Why Does It Fail?
Common causes of deterioration include:
- Age-related rubber hardening
- Cracking from sunlight exposure
- Shrinkage and loss of flexibility
- Compression from repeated sunroof operation
- Damage during maintenance or repairs
When Should It Be Replaced?
Replace the seal if you notice:
- Cracked, brittle or damaged rubber
- Visible gaps around the sunroof Increased wind noise
- Water entering around the roof opening
- Deterioration during sunroof refurbishment
Checks & Diagnosis
Inspect the existing seal for damage, compression or incorrect positioning.
Check sunroof alignment and ensure the drainage channels are clear, as blocked drains can also cause water ingress.
Installation Notes
Remove the original seal carefully and clean the mounting area before fitting. Ensure the replacement is correctly positioned without stretching or twisting.
Check sunroof operation, panel alignment and drainage following installation.
Porsche 928 Sunroof Seals & Roof Restoration Parts
The Porsche 928 sunroof assembly relies on correctly fitted rubber seals to maintain a weather-resistant roof opening and minimise wind noise.
OE Match sunroof seal 92856425904 provides a replacement for compatible Porsche 928 models, helping restore the original sunroof sealing arrangement.
Design911 supplies Porsche 928 sunroof seals, roof weatherstrips, sunroof mechanisms and associated restoration components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92856425904
The product you are viewing cross references to these numbers
- 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
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 928 1978-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 5A
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92856426103
The product you are viewing cross references to these numbers
- 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
Shop Securely
12 Month Warranty
Worldwide Delivery
Sunroof Seal Rear Section
The OE Match Rear Sunroof Seal is a replacement rubber
sealing component designed for Porsche 928 models equipped with a factory
sunroof.
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
Diagram ref no 5A
Fitted along the rear section of the sunroof panel, this seal helps maintain a weather-resistant fit between the sunroof and surrounding roof opening.
Over time, original rubber seals can harden, shrink or crack, potentially allowing increased wind noise and moisture ingress.
What Does It Do?
The rear sunroof seal helps reduce water and air entering around the sunroof panel while providing a protective seal between adjoining surfaces.
It also contributes to reducing wind noise and maintaining the original sunroof fit.
Why Does It Fail?
Common causes of deterioration include:
Age-related rubber hardening Cracking from sunlight exposure Shrinkage and loss of flexibility Repeated sunroof operation Damage during removal or repairs
When Should It Be Replaced?
Replace the seal if you notice:
Cracked, brittle or distorted rubber Visible gaps around the sunroof Increased wind noise Water entering around the roof opening Deterioration during sunroof refurbishment
Checks & Diagnosis
Inspect the seal for damage and check the sunroof panel alignment. Ensure the sunroof drainage channels are clear, as blocked drains can also cause water ingress.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92856426103
The product you are viewing cross references to these numbers
- 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
Shop Securely
12 Month Warranty
Worldwide Delivery
Perfect for sealing weatherstripping to door, hood, and trunk panels.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
00004330532
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
Porsche Sunroof Seals | Design911 Rubber Weatherstrips for Leak Protection & Cabin Comfort
Sunroof seals are essential for maintaining your Porsche’s comfort, weather protection, and quietness. These precision-moulded rubber components create a watertight and airtight seal around the sunroof panel, preventing water, dust, and wind noise from entering the cabin. A properly fitted sunroof seal ensures smooth operation of the sliding or tilting mechanism while protecting interior materials from moisture and UV damage.
At Design911, we offer a premium range of sunroof rubber seals and weatherstrips designed for accuracy, flexibility, and long-term durability. Manufactured from high-quality EPDM rubber, our seals resist heat, UV, and ozone degradation. Perfect for restoration, roof maintenance, or leak repair, these components restore your Porsche’s refined comfort and premium finish.
What Do Sunroof Seals Do?
Sunroof seals form a protective barrier between the sunroof glass or panel and the vehicle body, ensuring total insulation and smooth operation.
Core Functions:
• Prevent water, dust, and wind from entering the cabin.
• Reduce wind noise and vibration at higher speeds.
• Assist proper drainage through integrated channels.
• Protect roof frame and headliner from moisture damage.
• Maintain pressure balance for smooth sunroof movement.
A high-quality sunroof seal keeps your Porsche’s roof system quiet, leak-free, and structurally protected, even under harsh weather conditions.
Why Do Sunroof Seals Fail or Degrade?
Continuous exposure to sunlight, temperature fluctuations, and pressure causes sunroof seals to lose elasticity and sealing capability over time.
Common Causes of Failure Include:
• UV and ozone exposure leading to cracking or hardening.
• Compression fatigue from frequent opening and closing.
• Contamination from dirt, oils, or cleaning products.
• Blocked drainage channels causing water pooling and leaks.
• Age-related shrinkage or misalignment.
When a seal fails, leaks, rattles, and wind noise can develop — leading to interior damage and reduced comfort.
Why Replace or Upgrade Your Porsche Sunroof Seal?
Replacing worn or damaged sunroof seals restores water-tightness, prevents corrosion, and eliminates noise or rattling. Upgraded materials offer better elasticity and UV protection for extended service life.
Key Benefits:
• Restores watertight and airtight roof sealing.
• Eliminates leaks, vibration, and wind noise.
• Prevents interior trim, upholstery, and electronics from moisture damage.
• Made from high-quality, UV- and heat-resistant rubber.
• Available for Porsche 911, 944, 968, Boxster, Cayman, and Panamera models.
• Ideal for restoration, detailing, and sunroof maintenance.
Design911’s Porsche sunroof seals deliver lasting reliability and precision fit — ensuring smooth operation and the perfect blend of comfort and protection.
Highlights
• Premium Porsche sunroof rubber seals and weatherstrips.
• Engineered for perfect fitment and superior sealing.
• UV-, heat-, and ozone-resistant for long-term durability.
• Improves cabin insulation and reduces wind noise.
• Compatible with both classic and modern Porsche models.
• Perfect for restoration, repair, or preventative maintenance.
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed