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 .

1966-1970 Buick Riviera Weatherstrip Seal Kit, for 2-Door Hardtop.

This kit is designed for 2-door hardtop models and includes seals for the door (LM 12-F), roof rail (RR 5009), and trunk (TK 46-18). Crafted to fit 1966-1970 Buick Riviera, Cadillac Eldorado, and Oldsmobile Toronado cars, this kit ensures a snug and precise fit for your classic vehicle. Each seal is made from high-quality materials, offering excellent durability and resistance to weather and wear. These seals are designed to keep water, wind, and noise out, ensuring a quiet and comfortable ride while protecting your car's interior. The components are easy to install, with each piece tailored to fit its specific location seamlessly. Backed by a 30-year warranty from SuperSoft, you can trust in the long-lasting performance and reliability of this product.

Features and Benefits
  • Keeps water, wind, and noise out for a quieter ride.
  • Protects your car's interior from weather damage.
  • Tailored for a precise fit on 1966-1970 models.

$390.49
• SALE $311.95
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1966-1970 Buick Riviera Weatherstrip Seal Kit, for 2-Door Hardtop.
1969-1970 Buick LeSabre Weatherstrip Seal Kit, for 2-Door Hardtop.

For 2-door hardtop vehicles, this Basic Kit includes high-quality seals for the door (LM 18-I), roof rail (RR 5014), and trunk (TK 46-18), ensuring a snug and weatherproof fit. Designed specifically for 1969-1970 Buick LeSabre, Buick Wildcat, Chevrolet Caprice, Chevrolet Impala, Oldsmobile Delta 88, Pontiac Bonneville, and Pontiac Catalina cars, this kit provides a tailored solution to keep your classic car protected from the elements. Each seal is crafted from durable materials to prevent water, dust, and wind from entering your vehicle, preserving its interior and enhancing your driving experience. Backed by a 30-year warranty from SuperSoft, you can trust in the long-lasting performance and reliability of these parts.

Features and Benefits
  • Protects against water, dust, and wind intrusion.
  • Tailored fit for 1969-1970 classic car models.
  • Durable materials ensure long-lasting performance.

$392.99
• SALE $313.95
Select Color/Material Options  
1969-1970 Buick LeSabre Weatherstrip Seal Kit, for 2-Door Hardtop.
1969-1970 Buick Wildcat Weatherstrip Seal Kit, for 2-Door Hardtop.

For 2-door hardtop vehicles, this Basic Kit includes high-quality seals for the door (LM 18-I), roof rail (RR 5014), and trunk (TK 46-18), ensuring a snug and weatherproof fit. Designed specifically for 1969-1970 Buick LeSabre, Buick Wildcat, Chevrolet Caprice, Chevrolet Impala, Oldsmobile Delta 88, Pontiac Bonneville, and Pontiac Catalina cars, this kit provides a tailored solution to keep your classic car protected from the elements. Each seal is crafted from durable materials to prevent water, dust, and wind from entering your vehicle, preserving its interior and enhancing your driving experience. Backed by a 30-year warranty from SuperSoft, you can trust in the long-lasting performance and reliability of these parts.

Features and Benefits
  • Protects against water, dust, and wind intrusion.
  • Tailored fit for 1969-1970 classic car models.
  • Durable materials ensure long-lasting performance.

$392.99
• SALE $313.95
Select Color/Material Options  
1969-1970 Buick Wildcat Weatherstrip Seal Kit, for 2-Door Hardtop.
1982-1987 Buick Regal Window Sweeper Kit. '82-'87 Buick Regal.

Window sweeper kit. '82-'87 Buick Regal. Left and right inner and outer sweeps with black bead, without reveal moldings. Replaces OEM#'s 20363106/7 and 20674280/1. 4-piece set.

Features and Benefits
  • Superior form and function
  • Accurate seal profiles

$405.99
• SALE $323.95
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1982-1987 Buick Regal Window Sweeper Kit. '82-'87 Buick Regal.
1957 Buick Century Vulcanized Rear Window Gasket.

Designed specifically for 1957 Buick hardtop coupes, this vulcanized rear window gasket is a 3-piece set that ensures a perfect seal for your classic car. Crafted with high-quality compounds, it is built to last the lifetime of your vehicle while preventing any leaks, keeping your interior safe from water damage. This gasket fits a range of 1957 models, including Buick Century, Roadmaster, Special, and Super, as well as Oldsmobile 88, Fiesta, Starfire, and Super 88 cars. Its durable construction guarantees a snug fit around the rear window, enhancing both the appearance and functionality of your vehicle. Backed by Metro’s Platinum Warranty, this part is protected for 30 years, giving you peace of mind with your purchase.

Features and Benefits
  • Creates a watertight seal to prevent leaks.
  • Made with premium materials for long-lasting durability.
  • Fits perfectly to maintain the classic look of your car.

$419.49
• SALE $334.95
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1957 Buick Century Vulcanized Rear Window Gasket.

(1583 Total Products)