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 .

1978-1987 Buick Regal Lower Door Sill Weatherstrip Seal, 78-88 GM G Body 2 Doors, Pair.

Designed for 1978-1988 GM G-Body 2-door vehicles, these lower door sill seals replace OEM #20376226 and are crafted to fit seamlessly between the panel and the lower part of the doors. Made from durable EPDM polymer, these seals ensure a snug, accurate fit, effectively keeping out moisture, dirt, and drafts while maintaining the integrity of your vehicle's interior. The sleek black finish and precise seal profile enhance both functionality and appearance, making them a reliable upgrade for your classic car or truck. Fitment includes popular models like the Buick Regal, Chevrolet Monte Carlo, El Camino, GMC Caballero, Oldsmobile Cutlass, and Pontiac Grand Prix from 1978 to 1988. Backed by a 90-day hassle-free warranty, these seals are a dependable choice for restoring your vehicle's comfort and style.

Features and Benefits
  • Keeps moisture and dirt out for a cleaner interior.
  • Made from long-lasting EPDM polymer for durability.
  • Fits perfectly between the panel and lower door for a secure seal.
  • Enhances the look and functionality of your classic car.

$129.49
• SALE $103.95
Select Color/Material Options  
1978-1987 Buick Regal Lower Door Sill Weatherstrip Seal, 78-88 GM G Body 2 Doors, Pair.
1973-1977 Buick Century Tailgate Weatherstrip Seal for 4-Door Station Wagons. Each.

This tailgate seal is designed specifically for 4-door station wagons, ensuring a snug and reliable fit. Crafted by Metro Moulded Parts, it is 30% softer and more durable than other brands, providing a long-lasting solution to keep your vehicle protected. Unlike seals made with cheap fillers or accelerants, this part resists premature aging and failure, maintaining its integrity over time. It fits a range of classic cars, including the 1973-1977 Buick Century, Chevrolet Chevelle, Laguna, and Malibu, Oldsmobile Cutlass Supreme and Vista Cruiser, and Pontiac LeMans and Grand LeMans models. The seal is engineered to prevent water, dust, and noise from entering the tailgate area, enhancing the comfort and cleanliness of your vehicle. Installation is straightforward, with pre-installed clips for a secure and hassle-free setup. Backed by Metro's 30-year warranty, this seal offers peace of mind and exceptional value.

Features and Benefits
  • Keeps water, dust, and noise out of the tailgate area.
  • Made with premium materials for durability and flexibility.
  • Easy installation with pre-installed clips.

$130.49
• SALE $104.95
Select Color/Material Options  
1973-1977 Buick Century Tailgate Weatherstrip Seal for 4-Door Station Wagons. Each.
1965 Buick Gran Sport Door Weatherstrip Seal, with Clips and Molded Ends. For 2-Door Sedans.

For 2-door sedans, this door seal pair with clips and molded ends is designed to replace OEM #4892622/3, ensuring a snug and reliable fit. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, providing a superior seal against wind, water, and noise. The seals are free from accelerants and cheap fillers, which means they resist aging and cracking over time. Perfectly tailored for 1964-1965 Buick Skylark, Special, and Gran Sport; Chevrolet Chevelle and Malibu; Oldsmobile Cutlass, F85, and 442; and Pontiac GTO, LeMans, and Tempest models, these seals restore the original look and functionality of your classic car. Backed by a 30-year warranty, these seals offer long-lasting protection and peace of mind.

Features and Benefits
  • Provides a tight seal to block wind, water, and noise.
  • Made from durable materials that resist aging and cracking.
  • Easy installation with pre-attached clips and molded ends.

$130.99
• SALE $104.95
Select Color/Material Options  
1965 Buick Gran Sport Door Weatherstrip Seal, with Clips and Molded Ends. For 2-Door Sedans.
1964-1965 Buick Skylark Door Weatherstrip Seal, with Clips and Molded Ends. For 2-Door Sedans.

For 2-door sedans, this door seal pair with clips and molded ends is designed to replace OEM #4892622/3, ensuring a snug and reliable fit. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, providing a superior seal against wind, water, and noise. The seals are free from accelerants and cheap fillers, which means they resist aging and cracking over time. Perfectly tailored for 1964-1965 Buick Skylark, Special, and Gran Sport; Chevrolet Chevelle and Malibu; Oldsmobile Cutlass, F85, and 442; and Pontiac GTO, LeMans, and Tempest models, these seals restore the original look and functionality of your classic car. Backed by a 30-year warranty, these seals offer long-lasting protection and peace of mind.

Features and Benefits
  • Provides a tight seal to block wind, water, and noise.
  • Made from durable materials that resist aging and cracking.
  • Easy installation with pre-attached clips and molded ends.

$130.99
• SALE $104.95
Select Color/Material Options  
1964-1965 Buick Skylark Door Weatherstrip Seal, with Clips and Molded Ends. For 2-Door Sedans.
1964-1965 Buick Special Door Weatherstrip Seal, with Clips and Molded Ends. For 2-Door Sedans.

For 2-door sedans, this door seal pair with clips and molded ends is designed to replace OEM #4892622/3, ensuring a snug and reliable fit. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, providing a superior seal against wind, water, and noise. The seals are free from accelerants and cheap fillers, which means they resist aging and cracking over time. Perfectly tailored for 1964-1965 Buick Skylark, Special, and Gran Sport; Chevrolet Chevelle and Malibu; Oldsmobile Cutlass, F85, and 442; and Pontiac GTO, LeMans, and Tempest models, these seals restore the original look and functionality of your classic car. Backed by a 30-year warranty, these seals offer long-lasting protection and peace of mind.

Features and Benefits
  • Provides a tight seal to block wind, water, and noise.
  • Made from durable materials that resist aging and cracking.
  • Easy installation with pre-attached clips and molded ends.

$130.99
• SALE $104.95
Select Color/Material Options  
1964-1965 Buick Special Door Weatherstrip Seal, with Clips and Molded Ends. For 2-Door Sedans.

(1583 Total Products)