Rear 1/4 window seal. Porsche 356 COUPE  ❭  64454390100

Rear 1/4 Window Seal, 1250mm.

The OE Match Rear Quarter Window Seal (1250mm) is a premium-quality replacement weather seal designed to provide a secure, weatherproof seal around the rear quarter window on compatible classic Porsche models. Manufactured to OE specifications for fit, profile and durability, this seal restores the original factory fit while protecting the vehicle interior from water, wind, dust and road contaminants.

Fits:

• Porsche 356 1950-55
• Porsche 356A 1955-59
• Porsche 356B 1959-63
• Porsche 356C 1963-65

Diagram Ref No 20  

Manufactured from high-quality automotive-grade EPDM rubber, the seal offers excellent resistance to UV exposure, ozone, moisture and extreme temperature fluctuations. Supplied in the correct 1250mm length, it is precision-profiled to replicate the original factory design, ensuring excellent flexibility, long-lasting sealing performance and straightforward installation. It is an ideal replacement for aged, cracked or deteriorated original seals during restoration or routine maintenance.

What This Product Does:

• Creates a weatherproof seal around the rear quarter window.
• Prevents water, dust and road debris from entering the cabin.
• Reduces wind noise while driving.
• Helps secure the quarter window within the body aperture.
• Cushions the glass to reduce vibration and movement.
• Protects the window aperture against moisture-related corrosion.
• Restores the original fit and appearance of the rear quarter window.
• Forms an essential part of the vehicle's body sealing system.

Symptoms Of Wear Or Failure:

• Water leaks around the rear 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 adjacent to the quarter window.
• Whistling noises at higher speeds.
• Perished rubber caused by age or UV exposure.
• Corrosion developing around the window frame.

Why Replacement Matters:

• The rear quarter window seal is continuously exposed to sunlight, rain, road salt and changing temperatures. Over time, the rubber loses its flexibility, becoming hard, brittle or cracked, reducing its ability to provide a reliable weatherproof seal.
• 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. Moisture trapped around the window frame can eventually contribute to costly bodywork repairs, particularly on classic Porsche models.
• Replacing a worn rear quarter window seal restores the weatherproof integrity of the body, improves cabin refinement and protects both the glass and surrounding bodywork. The OE Match replacement provides factory-style fitment, premium EPDM rubber construction and long-lasting durability, helping preserve the originality, comfort and value of your classic Porsche.

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64454390100

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