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 .

1965-1966 Buick Wildcat Molded Roof Rail Weatherstrip Seals. For 4-Door Hardtops. Pair R&L.

For 4-door hardtops, these molded roof rail seals are designed to provide a perfect fit and exceptional sealing for your classic car. Crafted by SUPERsoft, these seals are engineered to prevent leaks and ensure long-lasting durability. Unlike competitor brands, they are made without accelerants or cheap fillers, which means they won’t prematurely age or fail. This pair includes both the right and left seals, offering a complete solution for your restoration needs. These seals are compatible with a range of 1965-1966 models, including the Buick Electra, LeSabre, Wildcat, Cadillac DeVille, Chevrolet Impala, Caprice, Oldsmobile 98, Delta 88, Dynamic 88, Jetstar 88, and Pontiac Bonneville, Catalina, and Star Chief. Designed to install along the roof rail, these seals create a tight barrier against water and weather, keeping your interior dry and protected. Backed by a 30-year warranty from SUPERsoft, you can trust in their quality and performance for decades to come.

Features and Benefits
  • Provides a watertight seal to prevent leaks.
  • Made with premium materials for long-lasting durability.
  • Easy installation for a precise fit along the roof rail.

$158.49
• SALE $126.95
Select Color/Material Options  
1965-1966 Buick Wildcat Molded Roof Rail Weatherstrip Seals. For 4-Door Hardtops. Pair R&L.
1961-1962 Buick Invicta Roof-Rail Weatherstrip Seals. Fits '61-'62 GM B-Body 4-Door Hardtop.

For the 1961-1962 GM B-body 4-door hardtop, these roof-rail seals are 96 inches long and come as a pair for both the right and left sides. Designed to fit models like the 1961-1962 Buick Invicta, LeSabre, Chevrolet Bel Air, Impala, Oldsmobile Dynamic 88, Super 88, and Pontiac Bonneville, Catalina, Star Chief, and Ventura, these seals ensure a snug fit and exceptional weatherproofing. Crafted by SUPERsoft, they are guaranteed to never leak and provide better sealing than competitor brands. Unlike other products, these seals are made without accelerants or cheap fillers, ensuring long-lasting durability and resistance to aging or cracking. Backed by a 30-year warranty, you can trust these seals to protect your vehicle for decades.

Features and Benefits
  • Provides a tight seal to prevent water leaks.
  • Made with premium materials for long-lasting durability.
  • Easy to install for a precise fit on your classic car.

$158.49
• SALE $126.95
Select Color/Material Options  
1961-1962 Buick Invicta Roof-Rail Weatherstrip Seals. Fits '61-'62 GM B-Body 4-Door Hardtop.
1961-1962 Buick LeSabre Roof-Rail Weatherstrip Seals. Fits '61-'62 GM B-Body 4-Door Hardtop.

For the 1961-1962 GM B-body 4-door hardtop, these roof-rail seals are 96 inches long and come as a pair for both the right and left sides. Designed to fit models like the 1961-1962 Buick Invicta, LeSabre, Chevrolet Bel Air, Impala, Oldsmobile Dynamic 88, Super 88, and Pontiac Bonneville, Catalina, Star Chief, and Ventura, these seals ensure a snug fit and exceptional weatherproofing. Crafted by SUPERsoft, they are guaranteed to never leak and provide better sealing than competitor brands. Unlike other products, these seals are made without accelerants or cheap fillers, ensuring long-lasting durability and resistance to aging or cracking. Backed by a 30-year warranty, you can trust these seals to protect your vehicle for decades.

Features and Benefits
  • Provides a tight seal to prevent water leaks.
  • Made with premium materials for long-lasting durability.
  • Easy to install for a precise fit on your classic car.

$158.49
• SALE $126.95
Select Color/Material Options  
1961-1962 Buick LeSabre Roof-Rail Weatherstrip Seals. Fits '61-'62 GM B-Body 4-Door Hardtop.
1978-1987 Buick Regal T-Top Side Weatherstrip Seals. Each Piece 25" Long. Pair.

For T-top cars, these side seals measure 25" long each and come as a pair, designed to fit snugly along the edges of your T-top roof. These seals are crafted by SUPERsoft, known for their exceptional durability and softness, being 30% softer than other brands. They are made without accelerants or cheap fillers, ensuring they resist aging and cracking over time. These seals are specifically designed for 1978-1987 Buick Regal, Chevrolet Monte Carlo, Oldsmobile Cutlass (including Calais, Salon, and Supreme models), and Pontiac Grand Prix cars, as well as 1988 Chevrolet Monte Carlo and Oldsmobile Cutlass models. They provide a tight, weatherproof seal to keep out water, wind, and debris, preserving the interior of your classic car while enhancing its overall appearance. Backed by a 30-year warranty exclusive to SUPERsoft products, these seals offer long-term reliability and peace of mind.

Features and Benefits
  • Provides a secure, weatherproof seal for T-top edges.
  • Made with premium materials to resist aging and cracking.
  • Enhances the look and protection of your classic car.

$161.99
• SALE $129.95
Select Color/Material Options  
1978-1987 Buick Regal T-Top Side Weatherstrip Seals. Each Piece 25" Long. Pair.
1964-1965 Buick Skylark Weatherstrip Seal Kit, for 2-Door Sedan.

This basic kit is designed for 2-door sedans and includes door seals (LM 12-D) and trunk seals (TK 46-16), ensuring a snug and secure fit for your classic car. Tailored for 1964-1965 Buick Skylark, Buick Special, Chevrolet Chevelle, Chevrolet Malibu, Oldsmobile Cutlass, Oldsmobile F85, Pontiac LeMans, and Pontiac Tempest models, this kit is crafted to restore your vehicle’s weatherproofing and keep it looking sharp. Made from high-quality materials, these seals are built to last, providing excellent protection against water, dust, and wind. The seals are easy to install, fitting seamlessly into the door and trunk areas to maintain the original look and feel of your car. Backed by SuperSoft’s 30-year warranty, you can trust in the durability and performance of this product for decades to come.

Features and Benefits
  • Keeps water, dust, and wind out for a quieter, more comfortable ride.
  • High-quality materials ensure long-lasting durability.
  • Easy installation for a perfect fit on your classic car.

$162.49
• SALE $129.95
Select Color/Material Options  
1964-1965 Buick Skylark Weatherstrip Seal Kit, for 2-Door Sedan.

(1583 Total Products)