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 .

1965-1970 Buick Electra Top Bow to Header Weatherstrip Seal (Fits Late '66-'70 GM "B" Body.

For late '66-'70 GM "B" body and '65-'70 GM "C" body cars, this top bow to header seal measures 56-1/2" long and is crafted with a smooth, skin-covered sponge, featuring a durable steel core and molded ends for a precise fit, just like the original. Designed to protect your vehicle's interior from water penetration, this seal eliminates the risk of costly and time-consuming repairs caused by leaks. It fits a wide range of classic models, including the 1965-1970 Buick Electra, Cadillac DeVille, Chevrolet Impala, Oldsmobile 98, Pontiac Bonneville, and more. Made with the finest materials and expert craftsmanship, this part ensures a snug and secure installation, enhancing the overall appearance and functionality of your vehicle. Backed by a 30-year warranty from SuperSoft, you can trust this seal to provide long-lasting protection and performance.

Features and Benefits
  • Protects interiors from water damage.
  • Made with premium materials for durability.
  • Fits a wide range of classic GM models.

$127.49
• SALE $101.95
Select Color/Material Options  
1965-1970 Buick Electra Top Bow to Header Weatherstrip Seal (Fits Late '66-'70 GM "B" Body.
1966-1970 Buick LeSabre Top Bow to Header Weatherstrip Seal (Fits Late '66-'70 GM "B" Body.

For late '66-'70 GM "B" body and '65-'70 GM "C" body cars, this top bow to header seal measures 56-1/2" long and is crafted with a smooth, skin-covered sponge, featuring a durable steel core and molded ends for a precise fit, just like the original. Designed to protect your vehicle's interior from water penetration, this seal eliminates the risk of costly and time-consuming repairs caused by leaks. It fits a wide range of classic models, including the 1965-1970 Buick Electra, Cadillac DeVille, Chevrolet Impala, Oldsmobile 98, Pontiac Bonneville, and more. Made with the finest materials and expert craftsmanship, this part ensures a snug and secure installation, enhancing the overall appearance and functionality of your vehicle. Backed by a 30-year warranty from SuperSoft, you can trust this seal to provide long-lasting protection and performance.

Features and Benefits
  • Protects interiors from water damage.
  • Made with premium materials for durability.
  • Fits a wide range of classic GM models.

$127.49
• SALE $101.95
Select Color/Material Options  
1966-1970 Buick LeSabre Top Bow to Header Weatherstrip Seal (Fits Late '66-'70 GM "B" Body.
1966-1970 Buick Wildcat Top Bow to Header Weatherstrip Seal (Fits Late '66-'70 GM "B" Body.

For late '66-'70 GM "B" body and '65-'70 GM "C" body cars, this top bow to header seal measures 56-1/2" long and is crafted with a smooth, skin-covered sponge, featuring a durable steel core and molded ends for a precise fit, just like the original. Designed to protect your vehicle's interior from water penetration, this seal eliminates the risk of costly and time-consuming repairs caused by leaks. It fits a wide range of classic models, including the 1965-1970 Buick Electra, Cadillac DeVille, Chevrolet Impala, Oldsmobile 98, Pontiac Bonneville, and more. Made with the finest materials and expert craftsmanship, this part ensures a snug and secure installation, enhancing the overall appearance and functionality of your vehicle. Backed by a 30-year warranty from SuperSoft, you can trust this seal to provide long-lasting protection and performance.

Features and Benefits
  • Protects interiors from water damage.
  • Made with premium materials for durability.
  • Fits a wide range of classic GM models.

$127.49
• SALE $101.95
Select Color/Material Options  
1966-1970 Buick Wildcat Top Bow to Header Weatherstrip Seal (Fits Late '66-'70 GM "B" Body.
1965 Buick Electra Pillar Post Weatherstrip Seals for 65 GM B & C Body Convertibles, Pair.

Designed for 1965 GM B & C Body Convertibles, these pillar post seals are a perfect fit for models like the Buick Electra, LeSabre, Wildcat, Cadillac DeVille, Eldorado, Chevrolet Impala, Oldsmobile 98, Dynamic 88, Jetstar 88, Starfire, and Pontiac Bonneville and Catalina. Crafted by SUPERsoft, these seals are built to last with a smooth, flawless surface that resists sunlight and UV damage, ensuring long-term durability and a sleek appearance. These seals are designed to fit snugly along the convertible’s pillar posts, effectively sealing out water, wind, and debris to keep your interior protected and quiet. Installation is straightforward, with the seals aligning perfectly to the original specifications for a seamless fit. Backed by SUPERsoft’s 30-year warranty, you can trust in their quality and performance for decades to come.

Features and Benefits
  • Protects against water, wind, and debris for a quieter ride.
  • Sunlight and UV-resistant material ensures long-lasting durability.
  • Smooth, flawless surface enhances the car's appearance.
  • Easy installation with a precise fit for 1965 GM B & C Body Convertibles.

$128.99
• SALE $102.95
Select Color/Material Options  
1965 Buick Electra Pillar Post Weatherstrip Seals for 65 GM B & C Body Convertibles, Pair.
1965 Buick LeSabre Pillar Post Weatherstrip Seals for 65 GM B & C Body Convertibles, Pair.

Designed for 1965 GM B & C Body Convertibles, these pillar post seals are a perfect fit for models like the Buick Electra, LeSabre, Wildcat, Cadillac DeVille, Eldorado, Chevrolet Impala, Oldsmobile 98, Dynamic 88, Jetstar 88, Starfire, and Pontiac Bonneville and Catalina. Crafted by SUPERsoft, these seals are built to last with a smooth, flawless surface that resists sunlight and UV damage, ensuring long-term durability and a sleek appearance. These seals are designed to fit snugly along the convertible’s pillar posts, effectively sealing out water, wind, and debris to keep your interior protected and quiet. Installation is straightforward, with the seals aligning perfectly to the original specifications for a seamless fit. Backed by SUPERsoft’s 30-year warranty, you can trust in their quality and performance for decades to come.

Features and Benefits
  • Protects against water, wind, and debris for a quieter ride.
  • Sunlight and UV-resistant material ensures long-lasting durability.
  • Smooth, flawless surface enhances the car's appearance.
  • Easy installation with a precise fit for 1965 GM B & C Body Convertibles.

$128.99
• SALE $102.95
Select Color/Material Options  
1965 Buick LeSabre Pillar Post Weatherstrip Seals for 65 GM B & C Body Convertibles, Pair.

(1583 Total Products)