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

Stop leaks, drafts, and road noise in your Buick 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 Buick —restoring a tight, quiet seal around your doors, trunk, hatch, and windows.

Our Buick 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 Buick , 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 Buick .

1977-1985 Buick Riviera 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  
1977-1985 Buick Riviera Trunk Seal - Trunk
1980-1985 Buick Skylark 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  
1980-1985 Buick Skylark Trunk Seal - Trunk
1978-1996 Buick Century 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  
1978-1996 Buick Century Trunk Seal - Trunk
2004-2004 Buick Rainier Driver & Passenger Side Door Seal

OEM-replacement door seal for Buick / Chevrolet / GMC. 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: 15128082, 15128083, 15128084

$74.51
• SALE $51.95
Select Color/Material Options  
2004-2004 Buick Rainier Driver & Passenger Side Door Seal
1977-1990 Buick Electra Driver & Passenger Side Glass Run Kit

OEM-replacement glass run kit 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: 20666684, 20666685

$70.95
• SALE $49.95
Select Color/Material Options  
1977-1990 Buick Electra Driver & Passenger Side Glass Run Kit

(1583 Total Products)