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 Buick GS 400 Door Weatherstrip Seal, with Clips and Molded Ends.

For 2-door hardtops and convertibles, this door seal pair with clips and molded ends is designed to replace OEM #7717754/5, ensuring a precise fit and excellent sealing performance. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, providing a snug, long-lasting barrier against wind, water, and noise. Unlike other seals, these are made without accelerants or cheap fillers, which means they resist aging and cracking over time. Perfectly tailored for 1968 Buick GS 350, GS 400, Skylark, 1968 Chevrolet Chevelle, 1968 Oldsmobile 442, Cutlass, and 1968 Pontiac GTO, LeMans, and Tempest models, these seals will restore your car's original comfort and style. Backed by a 30-year warranty from SUPERsoft, you can trust in their quality and durability for decades to come.

Features and Benefits
  • Provides a tight seal to block wind, water, and noise.
  • Made from premium materials for long-lasting performance.
  • Easy installation with molded ends and clips for a secure fit.

$188.49
• SALE $150.95
Select Color/Material Options  
1968 Buick GS 400 Door Weatherstrip Seal, with Clips and Molded Ends.
1968 Buick Skylark Door Weatherstrip Seal, with Clips and Molded Ends.

For 2-door hardtops and convertibles, this door seal pair with clips and molded ends is designed to replace OEM #7717754/5, ensuring a precise fit and excellent sealing performance. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, providing a snug, long-lasting barrier against wind, water, and noise. Unlike other seals, these are made without accelerants or cheap fillers, which means they resist aging and cracking over time. Perfectly tailored for 1968 Buick GS 350, GS 400, Skylark, 1968 Chevrolet Chevelle, 1968 Oldsmobile 442, Cutlass, and 1968 Pontiac GTO, LeMans, and Tempest models, these seals will restore your car's original comfort and style. Backed by a 30-year warranty from SUPERsoft, you can trust in their quality and durability for decades to come.

Features and Benefits
  • Provides a tight seal to block wind, water, and noise.
  • Made from premium materials for long-lasting performance.
  • Easy installation with molded ends and clips for a secure fit.

$188.49
• SALE $150.95
Select Color/Material Options  
1968 Buick Skylark Door Weatherstrip Seal, with Clips and Molded Ends.
1978-1981 Buick Century Front Molded Door Weatherstrip Seals. For 4-Door Sedan and Wagon.

Designed for 4-door sedans and wagons, these front molded door seals replace OEM# 20008186/7 and come as a pair for both the right and left sides. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug fit and long-lasting performance. They are free from accelerants and cheap fillers, which means they resist premature aging and cracking, providing a reliable barrier against water, wind, and noise. These seals are a perfect fit for a wide range of vehicles, including the 1978-1981 Buick Century, 1978-1983 Chevrolet Malibu, 1978-1988 Oldsmobile Cutlass models, and 1978-1981 Pontiac LeMans and Grand LeMans, among others. Backed by a 30-year warranty exclusive to SUPERsoft products, you can trust these seals to maintain their integrity for decades.

Features and Benefits
  • Provides a tight seal to block water, wind, and noise.
  • Made with premium materials for long-lasting durability.
  • Easy to install for a precise fit on your vehicle.

$190.49
• SALE $152.95
Select Color/Material Options  
1978-1981 Buick Century Front Molded Door Weatherstrip Seals. For 4-Door Sedan and Wagon.
1982-1984 Buick Regal Front Molded Door Weatherstrip Seals. For 4-Door Sedan and Wagon.

Designed for 4-door sedans and wagons, these front molded door seals replace OEM# 20008186/7 and come as a pair for both the right and left sides. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug fit and long-lasting performance. They are free from accelerants and cheap fillers, which means they resist premature aging and cracking, providing a reliable barrier against water, wind, and noise. These seals are a perfect fit for a wide range of vehicles, including the 1978-1981 Buick Century, 1978-1983 Chevrolet Malibu, 1978-1988 Oldsmobile Cutlass models, and 1978-1981 Pontiac LeMans and Grand LeMans, among others. Backed by a 30-year warranty exclusive to SUPERsoft products, you can trust these seals to maintain their integrity for decades.

Features and Benefits
  • Provides a tight seal to block water, wind, and noise.
  • Made with premium materials for long-lasting durability.
  • Easy to install for a precise fit on your vehicle.

$190.49
• SALE $152.95
Select Color/Material Options  
1982-1984 Buick Regal Front Molded Door Weatherstrip Seals. For 4-Door Sedan and Wagon.
1978-1981 Buick Century Rear Molded Door Weatherstrip Seals.

For 4-door sedans (except Ciera), these rear molded door seals are designed to replace OEM# 20008190/1 and come as a pair for both the right and left sides. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug fit and long-lasting performance. They are free from accelerants and cheap fillers, which means they resist premature aging and cracking, providing a reliable barrier against water, wind, and noise. These seals are compatible with a wide range of vehicles, including 1978-1981 Buick Century, 1978-1983 Chevrolet Malibu, 1978-1987 Oldsmobile Cutlass models, and 1978-1986 Pontiac Grand LeMans and LeMans, among others. Installation is straightforward, as the seals are molded to fit perfectly into the rear door frames, restoring the original factory look and function. Backed by a 30-year warranty from SUPERsoft, you can trust these seals to maintain their quality and performance for decades.

Features and Benefits
  • Provides a tight seal to block water, wind, and noise.
  • Made with durable, long-lasting materials for extended use.
  • Easy to install with a precise molded fit for 4-door sedans.

$190.49
• SALE $152.95
Select Color/Material Options  
1978-1981 Buick Century Rear Molded Door Weatherstrip Seals.

(1583 Total Products)