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 .

1966-1967 Buick Skylark Rear Door Weatherstrip Seals, for 4-Door Hardtops. 67-1/2" Long.

For 4-door hardtops, these rear door seals measure 67-1/2" long and come as a pair for both the right and left sides. Designed specifically for 1966-1967 Buick Skylark, Chevrolet Chevelle, Chevrolet Malibu, Oldsmobile Cutlass, Oldsmobile F85, Pontiac LeMans, and Pontiac Tempest cars, these seals ensure a snug, weatherproof fit to keep your interior protected from the elements. Made by SUPERsoft, these seals are crafted with a unique formula that is 30% softer and more durable than other brands, providing a long-lasting, tight seal. Unlike other products, they are free from accelerants and cheap fillers, which can cause premature aging and failure. These seals are easy to install, fitting seamlessly into the rear door frame to restore the original look and function of your classic car. Backed by a 30-year warranty, SUPERsoft guarantees quality and peace of mind for years to come.

Features and Benefits
  • Keeps water, wind, and noise out of your car.
  • Made with a softer, more durable material for a better fit.
  • Free from harmful fillers for long-lasting performance.

$166.49
• SALE $132.95
Select Color/Material Options  
1966-1967 Buick Skylark Rear Door Weatherstrip Seals, for 4-Door Hardtops. 67-1/2" Long.
1963-1964 Buick LeSabre Vulcanized Rear Windshield Weatherstrip Seal, for 4-Door Hardtop. Each.

This vulcanized rear windshield seal is designed specifically for 1963-1964 GM B Body 4-Door Hardtop models, replacing OEM #4877006. Crafted to fit seamlessly, it ensures a perfect seal for your rear windshield, preventing leaks and protecting your vehicle from water damage. Made with high-quality compounds, this durable seal is built to last for the lifetime of your car, maintaining its integrity and flexibility over time. It is compatible with a range of classic cars, including the 1963-1964 Buick LeSabre, Buick Wildcat, Chevrolet Impala, Oldsmobile Dynamic 88, Oldsmobile Super 88, Oldsmobile Jetstar 88, Pontiac Bonneville, and Pontiac Catalina. Installation is straightforward, as the seal is precision-molded to fit snugly into place, restoring your vehicle’s original look and functionality. Backed by a 90-day warranty, this part guarantees peace of mind with its no-hassle replacement policy.

Features and Benefits
  • Provides a watertight seal to prevent leaks.
  • Made with long-lasting, high-quality materials.
  • Fits a wide range of 1963-1964 GM B Body 4-Door Hardtop models.
  • Easy to install for a secure and precise fit.

$167.49
• SALE $133.95
Select Color/Material Options  
1963-1964 Buick LeSabre Vulcanized Rear Windshield Weatherstrip Seal, for 4-Door Hardtop. Each.
1963-1964 Buick Wildcat Vulcanized Rear Windshield Weatherstrip Seal, for 4-Door Hardtop. Each.

This vulcanized rear windshield seal is designed specifically for 1963-1964 GM B Body 4-Door Hardtop models, replacing OEM #4877006. Crafted to fit seamlessly, it ensures a perfect seal for your rear windshield, preventing leaks and protecting your vehicle from water damage. Made with high-quality compounds, this durable seal is built to last for the lifetime of your car, maintaining its integrity and flexibility over time. It is compatible with a range of classic cars, including the 1963-1964 Buick LeSabre, Buick Wildcat, Chevrolet Impala, Oldsmobile Dynamic 88, Oldsmobile Super 88, Oldsmobile Jetstar 88, Pontiac Bonneville, and Pontiac Catalina. Installation is straightforward, as the seal is precision-molded to fit snugly into place, restoring your vehicle’s original look and functionality. Backed by a 90-day warranty, this part guarantees peace of mind with its no-hassle replacement policy.

Features and Benefits
  • Provides a watertight seal to prevent leaks.
  • Made with long-lasting, high-quality materials.
  • Fits a wide range of 1963-1964 GM B Body 4-Door Hardtop models.
  • Easy to install for a secure and precise fit.

$167.49
• SALE $133.95
Select Color/Material Options  
1963-1964 Buick Wildcat Vulcanized Rear Windshield Weatherstrip Seal, for 4-Door Hardtop. Each.
1963-1965 Buick Riviera Door Weatherstrip Seals with Molded Ends. Replaces OEM #4877404/5.

Designed for the 1963-1965 Buick Riviera, these door seals with molded ends replace OEM #4877404/5 and are crafted to ensure a perfect fit and long-lasting performance. These seals are made by SUPERsoft, known for their 30% softer and more durable material compared to other brands, ensuring a snug and effective seal against wind, water, and noise. Unlike other products, these seals are free from accelerants and cheap fillers, which means they resist premature aging and cracking, keeping your classic Riviera looking and performing its best. The molded ends make installation straightforward, providing a seamless fit along the door edges for a clean and professional appearance. Backed by a 30-year warranty, these seals offer peace of mind and exceptional value for your restoration project.

Features and Benefits
  • Provides a tight seal to block wind, water, and noise.
  • Molded ends ensure a precise fit and easy installation.
  • Made from durable, long-lasting materials without cheap fillers.

$168.49
• SALE $134.95
Select Color/Material Options  
1963-1965 Buick Riviera Door Weatherstrip Seals with Molded Ends. Replaces OEM #4877404/5.
1975 Buick Apollo Rear Molded Door Weatherstrip Seals, with Clips. For 4-Door Sedan.

For 4-door sedans, these rear molded door seals with clips are designed to provide a perfect fit and reliable performance. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug and long-lasting seal for your doors. They are free from accelerants and cheap fillers, which means they resist premature aging and cracking, maintaining their integrity over time. These seals are specifically designed for 1975 Buick Apollo, Chevrolet Nova, Oldsmobile Omega, and Pontiac Ventura models, as well as 1976-1979 Buick Skylark, Chevrolet Nova, Oldsmobile Omega, Pontiac Ventura, and Pontiac Phoenix cars. The seals are easy to install, with pre-attached clips that make alignment and placement straightforward. Backed by a 30-year warranty from SUPERsoft, you can trust these seals to keep your car protected from drafts, water leaks, and noise for decades.

Features and Benefits
  • Provides a tight seal to block water, drafts, and noise.
  • Made with 30% softer and more durable material for longevity.
  • Easy installation with pre-attached clips for precise fitment.

$169.49
• SALE $135.95
Select Color/Material Options  
1975 Buick Apollo Rear Molded Door Weatherstrip Seals, with Clips. For 4-Door Sedan.

(1583 Total Products)