Pontiac Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

Stop leaks, drafts, and road noise in your Pontiac with precision-fit replacement weatherstrip and seals designed specifically for your vehicle. Each seal is engineered to match the original profile and mounting groove of your Pontiac —restoring a tight, quiet seal around your doors, trunk, hatch, and windows.

Our Pontiac weatherstrip is manufactured from durable, weather-resistant rubber compounds such as EPDM, engineered for an exact OEM-quality fit and finish. These materials resist sunlight, ozone, and chemical exposure while maintaining flexibility across temperature extremes, so your new seals stay soft and pliable instead of cracking or hardening the way factory-original rubber does over time.

Use the Vehicle Selector above to find the correct weatherstrip for your Pontiac , or browse below to explore available options. Whether you’re chasing down a stubborn water leak or completing a full restoration, Factory Interiors makes it easy to achieve a tight, factory-quality seal with precision-fit weatherstrip for your Pontiac .

1977-1981 Pontiac Catalina Trunk Seal - Trunk

OEM-replacement trunk seal - trunk for Buick / Cadillac / Chevrolet. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

Replaces GM: 20490800

$74.51
• SALE $51.95
Select Color/Material Options  
1977-1981 Pontiac Catalina Trunk Seal - Trunk
1978-1980 Pontiac Grand Am Trunk Seal - Trunk

OEM-replacement trunk seal - trunk for Buick / Cadillac / Chevrolet. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

Replaces GM: 20490800

$74.51
• SALE $51.95
Select Color/Material Options  
1978-1980 Pontiac Grand Am Trunk Seal - Trunk
1978-1981 Pontiac LeMans Trunk Seal - Trunk

OEM-replacement trunk seal - trunk for Buick / Cadillac / Chevrolet. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

Replaces GM: 20490800

$74.51
• SALE $51.95
Select Color/Material Options  
1978-1981 Pontiac LeMans Trunk Seal - Trunk
1980-1984 Pontiac Phoenix Trunk Seal - Trunk

OEM-replacement trunk seal - trunk for Buick / Cadillac / Chevrolet. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

Replaces GM: 20490800

$74.51
• SALE $51.95
Select Color/Material Options  
1980-1984 Pontiac Phoenix Trunk Seal - Trunk
1977-1986 Pontiac Bonneville Trunk Seal - Trunk

OEM-replacement trunk seal - trunk for Buick / Cadillac / Chevrolet. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

Replaces GM: 20490800

$74.51
• SALE $51.95
Select Color/Material Options  
1977-1986 Pontiac Bonneville Trunk Seal - Trunk

(1581 Total Products)