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Door Seals
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 1950-65
Click 'Zoom in' for large parts diagram.
Diagram Ref: 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64454293302
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Rubber seal for vent window on Cabriolet models with Karmann Hardtop
Rubber sealing profile / gasket designed to fit around the vent (side) window of early-generation Porsche models. The profile forms a continuous seal between the vent glass and the car body/frame - preventing water, dust, wind and unwanted air from entering the cabin or interior spaces.
Fits:
Porsche 356 Cabrio 1.1L-2.0L 08/1952-12/1965
Diagram Ref no 21
This vent-window seal:
• Creates a weather-proof barrier around the vent/side window, preventing water ingress, dust, and external debris.
• Maintains a tight, durable seal that reduces wind-noise and vibrations when driving.
• Protects interior trim and avoids leaks that could lead to moisture damage or rust - especially common in classic Porsches.
• Restores original sealing performance when the old gasket has become hardened, cracked, or lost elasticity due to age and exposure.
Why replacement matters:
• Old seals often harden, crack or degrade over decades - causing leaks, drafts, noise, dust ingress, or water seepage into the cabin.
• A degraded seal cannot guarantee proper weatherproofing, which may lead to interior moisture damage, rust or trim deterioration.
• Replacing with a correct-spec sealing profile ensures the original cabin comfort, reduces wind-noise or rattling, and preserves the vehicle’s structural and cosmetic integrity.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64454293
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 Cabrio 1.1L-2.0L 08/1952-12/1965
Click 'Zoom in' for large parts diagram
Diagram Ref no 21
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64454293
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
The OE Match Front Quarter Window Seal is a premium-quality replacement weather seal designed to provide a secure, weatherproof seal around the front quarter window on compatible classic Porsche models. Manufactured to OE specifications for fit, profile and durability, these seals restore the original fitment of the fixed quarter glass while protecting the cabin from water, wind and road contaminants.
Fits:
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Diagram Ref No 18
Manufactured from high-quality automotive-grade EPDM rubber, the seals are resistant to UV exposure, ozone, moisture and extreme temperature fluctuations. Precision-moulded to match the original factory profile, they ensure excellent flexibility, consistent sealing performance and straightforward installation, making them ideal for vehicle restorations or replacing aged, cracked or deteriorated original seals.
What This Product Does:
- Creates a weatherproof seal around the front quarter window.
- Prevents water ingress into the cabin.
- Reduces wind noise around the fixed side window.
- Helps prevent dust and road debris from entering the vehicle.
- Cushions the glass to reduce vibration and movement.
- Protects the window aperture against moisture-related corrosion.
- Restores the original appearance and fitment of the quarter window.
- Forms an essential part of the vehicle's body sealing system.
Symptoms Of Wear Or Failure:
- Water leaks around the quarter window.
- Increased wind noise while driving.
- Cracked, split or hardened rubber.
- Shrinking or separation of the seal from the body.
- Visible gaps around the window.
- Moisture entering the cabin.
- Damp interior trim near the window.
- Whistling noises at higher speeds.
- Perished rubber caused by UV exposure.
- Corrosion developing around the window frame.
Why Replacement Matters:
- Quarter window seals are continuously exposed to sunlight, rain, road salt and temperature fluctuations. Over time, the rubber loses flexibility, becoming hard, cracked or shrunken, which reduces its ability to maintain a watertight seal around the glass.
- A deteriorated seal can allow water, dirt and wind to enter the vehicle, leading to increased cabin noise, interior water damage and corrosion around the window aperture. Poor sealing can also affect the appearance of the vehicle and reduce the quality of a restoration.
- Replacing worn quarter window seals restores the weatherproof integrity of the body, improves cabin refinement and helps preserve both the glass and surrounding bodywork. The OE Match replacement provides factory-style fitment, premium EPDM rubber construction and long-lasting durability, helping maintain the originality, comfort and value of your classic Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64454293
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
One supplied, four required for a car, two for each door. Must be trimmed to fit.
This OE Match furry weatherstrip is a replacement door glass opening seal for Porsche 356A T2, 356B, and 356C models. It is designed to match the original-style fitment and appearance, helping support correct window sealing and glass guidance at the door opening.
Fits:
Porsche 356A Coupe models without vent windows
Porsche 356B and 356C Coupes/Cabriolets
Diagram ref no 51
The furry weatherstrip fits along the door glass opening and helps guide the side window glass as it moves up and down. It also helps reduce rattles, limit water and dirt entry, and protect the glass edge and door opening area from direct contact and wear.
Functions
• Replaces the furry weatherstrip at the door glass opening
• Helps guide the door window glass
• Reduces glass rattle and movement
• Helps limit dirt, moisture, and debris entering the door
• Protects the glass and door opening trim area
• Replaces worn, flattened, torn, missing, or deteriorated weatherstrip
• OE Match replacement for classic Porsche door and window restoration.
Why Replace This Part?
Door glass weatherstrips can wear, flatten, harden, fray, shrink, or detach due to age, sunlight exposure, moisture, and repeated window movement. A worn weatherstrip may cause window rattles, poor glass guidance, water entry, wind noise, or an untidy door finish. Replacing the weatherstrip helps restore correct window operation and a clean original-style appearance.
When to Replace This Part
• The weatherstrip is worn, frayed, flattened, cracked, or missing
• The door glass rattles or moves excessively
• Water, dust, or debris enters around the door glass opening
• The window does not glide smoothly
• Door or window frame restoration is being carried out
• The door glass or regulator has been removed
• The vehicle is undergoing Porsche 356 body or trim restoration.
Where it fits on the car
This weatherstrip fits at the door glass opening on Porsche 356A T2, 356B, and 356C models. It sits along the window opening area and works with the door glass and surrounding trim.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64453193541
The product you are viewing cross references to these numbers
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
-
Door with Accessories 356B / 356C 1960-65 804-000
-
Door glass frame / Side window / Door window glass (Model: COUPE -REUTTER- CARRERA GT) 356B / 356C 804-005
-
Door glass frame / Side window / Door window glass / Window guide (Model: CABRIO, HARDTOP, COUPE, -KARMANN-, ROADSTER) 356B / 356C 1960-65 804-010
Porsche Door Seals | Design911 Rubber Weatherstrips for Cabin Comfort & Protection
Door seals are crucial to maintaining your Porsche’s comfort, refinement, and structural integrity. These precision-moulded rubber components create a tight barrier between the door and body frame, preventing water, wind, and dust from entering the cabin. They also help reduce vibration and noise, preserving the smooth, quiet experience Porsche drivers expect.
At Design911, we stock a premium selection of door seals and weatherstrips engineered for exact fitment and long-term durability. Each seal is crafted from high-grade EPDM or neoprene rubber to deliver superior flexibility, sealing pressure, and resistance to environmental wear. Whether you’re restoring a classic Porsche or maintaining a modern model, our door seals provide the perfect blend of protection, comfort, and performance.
What Do Door Seals Do?
Door seals (also known as weatherstrips) ensure the cabin remains insulated from outside elements while enhancing the vehicle’s overall refinement and structural sealing.
Core Functions:
• Create an airtight and watertight seal between the door and body frame.
• Reduce wind noise and vibration for a quieter drive.
• Prevent moisture and dust from entering the interior.
• Improve cabin climate control and energy efficiency.
• Protect interior panels and trim from water-related damage.
Properly fitted door seals maintain Porsche’s signature comfort, while preserving the condition and value of your vehicle.
Why Do Door Seals Fail or Degrade?
Constant exposure to temperature changes, UV light, and movement causes door seals to wear over time, leading to leaks and noise issues.
Common Causes of Failure Include:
• Cracking, shrinking, or hardening due to UV and ozone exposure.
• Loss of compression or elasticity from age or repeated door use.
• Contamination from dirt, oil, or road debris.
• Tearing or deformation caused by misaligned doors.
• Moisture retention leading to mould or corrosion around frames.
When door seals degrade, the vehicle loses insulation, allowing water, wind, and sound to infiltrate the cabin — reducing comfort and increasing the risk of interior damage.
Why Replace or Upgrade Your Porsche Door Seals?
Replacing old or damaged door seals restores the car’s airtight and watertight integrity. Upgraded sealing materials offer better flexibility, compression recovery, and long-term durability.
Key Benefits:
• Restores weather protection and noise insulation.
• Eliminates water leaks and prevents corrosion.
• Improves cabin comfort and temperature control.
• Reduces wind noise at high speeds.
• Available for Porsche 911, 944, 968, Boxster, Cayman, and Panamera.
• Perfect for restorations, maintenance, or performance detailing.
Design911’s Porsche door seals combine premium materials and precision engineering for a perfect seal, ensuring your Porsche remains quiet, dry, and comfortable in all conditions.
Highlights
• Premium Porsche rubber door seals and weatherstrips.
• Precision-engineered for superior sealing and noise reduction.
• Resistant to UV, ozone, and temperature extremes.
• Available for both classic and modern Porsche models.
• Easy installation and long-lasting flexibility.
• Perfect for restoration, repair, or detailing projects.
