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 .

1968-1972 Buick Skylark Convertible Top Rail Kit.

For convertible cars, this 7-piece Convertible Top Rail Kit is designed to provide a perfect seal and includes all right and left side top rail seals along with the windshield top header seal (HD 730). Crafted by SUPERsoft, this kit ensures better sealing than competitor brands and is guaranteed to never leak, keeping your interior protected from the elements. Made without accelerants or cheap fillers, these seals resist premature aging and failure, ensuring long-lasting durability. This kit fits 1968-1972 Buick GS, Skylark, Chevrolet Chevelle, Oldsmobile 442, Cutlass, Pontiac GTO, LeMans, and Tempest models, as well as 1971-1972 Oldsmobile Cutlass Supreme cars. Backed by a 30-year warranty, this product offers peace of mind and exceptional quality.

Features and Benefits
  • Provides a tight seal to prevent leaks and protect your interior.
  • Includes all necessary seals for a complete installation.
  • Made with high-quality materials for long-lasting performance.

$574.99
• SALE $458.95
Select Color/Material Options  
1968-1972 Buick Skylark Convertible Top Rail Kit.
1964-1965 Buick Skylark Molded Roof Rail Weatherstrip Seals, for Convertibles.

For convertible models, this 5-piece molded roof rail seal set is designed to fit perfectly on 1964-1965 Buick Skylark, Buick Special, Chevrolet Chevelle, Chevrolet Malibu, Oldsmobile Cutlass, Oldsmobile 442, Pontiac GTO, Pontiac LeMans, and Pontiac Tempest cars. The set includes all right and left side top rail seals and the windshield top header seal (HD 728), ensuring a complete and snug fit. Crafted by SUPERsoft, these seals are made without accelerants or cheap fillers, which means they won’t prematurely age or fail. Designed to provide better sealing than competitor brands, they are guaranteed to never leak, keeping your car’s interior protected from water and weather damage. These seals are easy to install, fitting seamlessly into the roof rail and header areas to restore your convertible’s original look and functionality. Backed by a 30-year warranty from SUPERsoft, you can trust in their durability and performance for decades to come.

Features and Benefits
  • Provides a watertight seal to prevent leaks.
  • Includes all necessary seals for a complete installation.
  • Made with high-quality materials for long-lasting performance.

$574.99
• SALE $458.95
Select Color/Material Options  
1964-1965 Buick Skylark Molded Roof Rail Weatherstrip Seals, for Convertibles.
1964-1965 Buick Special Molded Roof Rail Weatherstrip Seals, for Convertibles.

For convertible models, this 5-piece molded roof rail seal set is designed to fit perfectly on 1964-1965 Buick Skylark, Buick Special, Chevrolet Chevelle, Chevrolet Malibu, Oldsmobile Cutlass, Oldsmobile 442, Pontiac GTO, Pontiac LeMans, and Pontiac Tempest cars. The set includes all right and left side top rail seals and the windshield top header seal (HD 728), ensuring a complete and snug fit. Crafted by SUPERsoft, these seals are made without accelerants or cheap fillers, which means they won’t prematurely age or fail. Designed to provide better sealing than competitor brands, they are guaranteed to never leak, keeping your car’s interior protected from water and weather damage. These seals are easy to install, fitting seamlessly into the roof rail and header areas to restore your convertible’s original look and functionality. Backed by a 30-year warranty from SUPERsoft, you can trust in their durability and performance for decades to come.

Features and Benefits
  • Provides a watertight seal to prevent leaks.
  • Includes all necessary seals for a complete installation.
  • Made with high-quality materials for long-lasting performance.

$574.99
• SALE $458.95
Select Color/Material Options  
1964-1965 Buick Special Molded Roof Rail Weatherstrip Seals, for Convertibles.
1966-1967 Buick Skylark Convertible Top Rail Kit.

For convertible cars, this 7-piece Convertible Top Rail Kit includes all right and left side top rail seals and the windshield top header seal (HD 729). Designed for 1966-1967 Buick Skylark, Special, Chevrolet Chevelle, Malibu, Oldsmobile 442, Cutlass, Pontiac GTO, LeMans, and Tempest models, this kit ensures a precise fit and exceptional sealing performance. Crafted by SUPERsoft, these seals are guaranteed to never leak and are made without accelerants or cheap fillers, preventing premature aging or failure. The durable material provides better sealing than competitor brands, keeping your interior protected from water and weather damage. Backed by a 30-year warranty, this kit offers long-term reliability and peace of mind.

Features and Benefits
  • Includes all necessary seals for a complete top rail restoration.
  • Prevents leaks and protects against weather damage.
  • Made with high-quality materials for long-lasting performance.

$593.49
• SALE $473.95
Select Color/Material Options  
1966-1967 Buick Skylark Convertible Top Rail Kit.
1966 Buick Special Convertible Top Rail Kit.

For convertible cars, this 7-piece Convertible Top Rail Kit includes all right and left side top rail seals and the windshield top header seal (HD 729). Designed for 1966-1967 Buick Skylark, Special, Chevrolet Chevelle, Malibu, Oldsmobile 442, Cutlass, Pontiac GTO, LeMans, and Tempest models, this kit ensures a precise fit and exceptional sealing performance. Crafted by SUPERsoft, these seals are guaranteed to never leak and are made without accelerants or cheap fillers, preventing premature aging or failure. The durable material provides better sealing than competitor brands, keeping your interior protected from water and weather damage. Backed by a 30-year warranty, this kit offers long-term reliability and peace of mind.

Features and Benefits
  • Includes all necessary seals for a complete top rail restoration.
  • Prevents leaks and protects against weather damage.
  • Made with high-quality materials for long-lasting performance.

$593.49
• SALE $473.95
Select Color/Material Options  
1966 Buick Special Convertible Top Rail Kit.

(1583 Total Products)