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 .

1969-1970 Buick LeSabre Molded Roof Rail Weatherstrip Seals for 4-Door Hardtop. Pair.

For 4-door hardtop models, these molded roof rail seals are designed to fit perfectly and provide unmatched protection against leaks and weather damage. Crafted by SUPERsoft, these seals are engineered without accelerants or cheap fillers, ensuring long-lasting durability and resistance to premature aging. They are guaranteed to never leak, offering better sealing than competitor brands. These seals are a direct fit for 1969-1970 Buick LeSabre, Buick Wildcat, Chevrolet Caprice, Chevrolet Impala, Oldsmobile Delta 88, Pontiac Bonneville, Pontiac Catalina, and Pontiac Executive models. Installed along the roof rails, they create a tight, weatherproof barrier, keeping your car’s interior dry and quiet. Backed by a 30-year warranty, SUPERsoft ensures your investment is protected for decades.

Features and Benefits
  • Provides a perfect fit for 4-door hardtop models.
  • Guaranteed to never leak, keeping your car dry.
  • Made with high-quality materials for long-lasting durability.

$147.49
• SALE $117.95
Select Color/Material Options  
1969-1970 Buick LeSabre Molded Roof Rail Weatherstrip Seals for 4-Door Hardtop. Pair.
1969-1970 Buick Wildcat Molded Roof Rail Weatherstrip Seals for 4-Door Hardtop. Pair.

For 4-door hardtop models, these molded roof rail seals are designed to fit perfectly and provide unmatched protection against leaks and weather damage. Crafted by SUPERsoft, these seals are engineered without accelerants or cheap fillers, ensuring long-lasting durability and resistance to premature aging. They are guaranteed to never leak, offering better sealing than competitor brands. These seals are a direct fit for 1969-1970 Buick LeSabre, Buick Wildcat, Chevrolet Caprice, Chevrolet Impala, Oldsmobile Delta 88, Pontiac Bonneville, Pontiac Catalina, and Pontiac Executive models. Installed along the roof rails, they create a tight, weatherproof barrier, keeping your car’s interior dry and quiet. Backed by a 30-year warranty, SUPERsoft ensures your investment is protected for decades.

Features and Benefits
  • Provides a perfect fit for 4-door hardtop models.
  • Guaranteed to never leak, keeping your car dry.
  • Made with high-quality materials for long-lasting durability.

$147.49
• SALE $117.95
Select Color/Material Options  
1969-1970 Buick Wildcat Molded Roof Rail Weatherstrip Seals for 4-Door Hardtop. Pair.
1965-1968 Buick Electra Front Door Weatherstrip Seals.

For 4-door hardtop models from 1965-1966 GM B- and C-body cars, these front door seals (OEM# 4455994/5) are designed to provide a perfect fit and reliable protection. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug fit that keeps out water, wind, and noise. The pair includes both right and left seals, molded without accelerants or cheap fillers to prevent premature aging or cracking. These seals are compatible with a wide range of classic cars, including the 1965-1966 Buick Electra, LeSabre, Wildcat, Cadillac Calais, DeVille, Chevrolet Impala, Oldsmobile Delta 88, Dynamic 88, Jetstar 88, Pontiac Bonneville, Catalina, and Star Chief, among others. Installation is straightforward, as the seals are designed to fit seamlessly into the original door frame, restoring the car’s weatherproofing and enhancing its overall appearance. Backed by a 30-year warranty from SUPERsoft, these seals offer long-lasting confidence and performance.

Features and Benefits
  • Keeps water, wind, and noise out for a quieter ride.
  • Made with 30% softer material for a better fit and durability.
  • Free from cheap fillers to prevent cracking or aging.

$151.99
• SALE $121.95
Select Color/Material Options  
1965-1968 Buick Electra Front Door Weatherstrip Seals.
1965-1968 Buick LeSabre Front Door Weatherstrip Seals.

For 4-door hardtop models from 1965-1966 GM B- and C-body cars, these front door seals (OEM# 4455994/5) are designed to provide a perfect fit and reliable protection. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug fit that keeps out water, wind, and noise. The pair includes both right and left seals, molded without accelerants or cheap fillers to prevent premature aging or cracking. These seals are compatible with a wide range of classic cars, including the 1965-1966 Buick Electra, LeSabre, Wildcat, Cadillac Calais, DeVille, Chevrolet Impala, Oldsmobile Delta 88, Dynamic 88, Jetstar 88, Pontiac Bonneville, Catalina, and Star Chief, among others. Installation is straightforward, as the seals are designed to fit seamlessly into the original door frame, restoring the car’s weatherproofing and enhancing its overall appearance. Backed by a 30-year warranty from SUPERsoft, these seals offer long-lasting confidence and performance.

Features and Benefits
  • Keeps water, wind, and noise out for a quieter ride.
  • Made with 30% softer material for a better fit and durability.
  • Free from cheap fillers to prevent cracking or aging.

$151.99
• SALE $121.95
Select Color/Material Options  
1965-1968 Buick LeSabre Front Door Weatherstrip Seals.
1965-1968 Buick Wildcat Front Door Weatherstrip Seals.

For 4-door hardtop models from 1965-1966 GM B- and C-body cars, these front door seals (OEM# 4455994/5) are designed to provide a perfect fit and reliable protection. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug fit that keeps out water, wind, and noise. The pair includes both right and left seals, molded without accelerants or cheap fillers to prevent premature aging or cracking. These seals are compatible with a wide range of classic cars, including the 1965-1966 Buick Electra, LeSabre, Wildcat, Cadillac Calais, DeVille, Chevrolet Impala, Oldsmobile Delta 88, Dynamic 88, Jetstar 88, Pontiac Bonneville, Catalina, and Star Chief, among others. Installation is straightforward, as the seals are designed to fit seamlessly into the original door frame, restoring the car’s weatherproofing and enhancing its overall appearance. Backed by a 30-year warranty from SUPERsoft, these seals offer long-lasting confidence and performance.

Features and Benefits
  • Keeps water, wind, and noise out for a quieter ride.
  • Made with 30% softer material for a better fit and durability.
  • Free from cheap fillers to prevent cracking or aging.

$151.99
• SALE $121.95
Select Color/Material Options  
1965-1968 Buick Wildcat Front Door Weatherstrip Seals.

(1583 Total Products)