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 .

1978-1980 Buick Century Trunk Lid Weatherstrip Seal

  • OEM-replacement trunk seal for the 1978-1980 Buick Century
  • EPDM rubber construction -- resists UV, heat, ozone, and moisture
  • Direct OEM replacement -- no trimming or modification required

$74.51
• SALE $51.95
Select Color/Material Options  
1978-1980 Buick Century Trunk Lid Weatherstrip Seal
1978-1984 Buick Century Trunk Lid Weatherstrip Seal

  • OEM-replacement trunk seal for the 1978-1984 Buick Century
  • EPDM rubber construction -- resists UV, heat, ozone, and moisture
  • Direct OEM replacement -- no trimming or modification required

$74.51
• SALE $51.95
Select Color/Material Options  
1978-1984 Buick Century Trunk Lid Weatherstrip Seal
1977-1985 Buick Electra 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 Electra Trunk Seal - Trunk
1977-1985 Buick LeSabre 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 LeSabre Trunk Seal - Trunk
1977-1985 Buick Riviera Trunk Lid Weatherstrip Seal

  • OEM-replacement trunk seal for the 1977-1985 Buick Riviera
  • EPDM rubber construction -- resists UV, heat, ozone, and moisture
  • Direct OEM replacement -- no trimming or modification required

$74.51
• SALE $51.95
Select Color/Material Options  
1977-1985 Buick Riviera Trunk Lid Weatherstrip Seal

(1583 Total Products)