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 .

1967-1968 Buick Wildcat Weatherstrip Seal Kit, for Convertibles.

For convertible models, this comprehensive weatherstripping kit is designed to fit 1967-1968 Buick LeSabre, Wildcat, Chevrolet Impala, Oldsmobile Delmont 88, Delta 88, Pontiac Bonneville, Catalina, and Grand Prix cars. The kit includes Door Seals (LM 21-I), Roof Rail Seals (RR 1811-B), Header Seal (HD 731), and Trunk Seal (TK 46-18), ensuring a snug and secure fit for your vehicle. Crafted from high-quality materials, these seals are built to keep out water, wind, and debris, protecting your car's interior and enhancing its overall appearance. Each piece is precision-molded for easy installation and a perfect fit, restoring your convertible to its original charm while improving comfort and durability. Backed by a 30-year warranty from SuperSoft, this kit guarantees long-lasting performance and peace of mind.

Features and Benefits
  • Protects against water, wind, and debris for a cleaner interior.
  • Precision-molded for a perfect fit and easy installation.
  • Enhances the look and comfort of your convertible.

$949.49
• SALE $757.95
Select Color/Material Options  
1967-1968 Buick Wildcat Weatherstrip Seal Kit, for Convertibles.
1969-1970 Buick LeSabre Weatherstrip Seal Kit, for Convertibles.

For convertible models, this Basic Kit includes high-quality seals designed to fit perfectly and protect your vehicle from the elements. The kit features Door Seals (LM 18-I), Roof Rail Seals (RR 1811-B), Trunk Seals (TK 46-18), and Header Seals (HD 731), all crafted to ensure a snug fit and long-lasting durability. Designed for 1969-1970 Buick LeSabre, Wildcat, Chevrolet Impala, Oldsmobile Delta 88, and Pontiac Bonneville and Catalina models, this kit is tailored to restore your car’s weatherproofing and keep it looking sharp. Each seal is made from premium materials to resist wear, cracking, and water damage, ensuring your convertible stays protected and comfortable. Backed by a 30-year warranty from SuperSoft, you can trust in the quality and longevity of these parts.

Features and Benefits
  • Protects your convertible from water and weather damage.
  • Ensures a precise fit for 1969-1970 Buick, Chevrolet, Oldsmobile, and Pontiac models.
  • Made from durable materials to resist cracking and wear.

$957.49
• SALE $764.95
Select Color/Material Options  
1969-1970 Buick LeSabre Weatherstrip Seal Kit, for Convertibles.
1969-1970 Buick Wildcat Weatherstrip Seal Kit, for Convertibles.

For convertible models, this Basic Kit includes high-quality seals designed to fit perfectly and protect your vehicle from the elements. The kit features Door Seals (LM 18-I), Roof Rail Seals (RR 1811-B), Trunk Seals (TK 46-18), and Header Seals (HD 731), all crafted to ensure a snug fit and long-lasting durability. Designed for 1969-1970 Buick LeSabre, Wildcat, Chevrolet Impala, Oldsmobile Delta 88, and Pontiac Bonneville and Catalina models, this kit is tailored to restore your car’s weatherproofing and keep it looking sharp. Each seal is made from premium materials to resist wear, cracking, and water damage, ensuring your convertible stays protected and comfortable. Backed by a 30-year warranty from SuperSoft, you can trust in the quality and longevity of these parts.

Features and Benefits
  • Protects your convertible from water and weather damage.
  • Ensures a precise fit for 1969-1970 Buick, Chevrolet, Oldsmobile, and Pontiac models.
  • Made from durable materials to resist cracking and wear.

$957.49
• SALE $764.95
Select Color/Material Options  
1969-1970 Buick Wildcat Weatherstrip Seal Kit, for Convertibles.
1966 Buick Electra Weatherstrip Seal Kit, for Convertibles.

For convertible models, this comprehensive weatherstripping kit is designed to fit 1966 Buick Electra, Cadillac DeVille, Cadillac Eldorado, and Oldsmobile 98 cars. The kit includes door seals (LM 20), roof rail seals (RR 1811), trunk seals (TK 46-18), and header seals (HD 731), ensuring a snug and precise fit for your classic car. Each component is crafted from high-quality materials to provide excellent durability and protection against water, wind, and debris, keeping your vehicle's interior dry and quiet. The seals are tailored for easy installation, fitting seamlessly into the designated areas to restore your car's original look and functionality. Backed by a 30-year warranty from SuperSoft, this kit offers long-term peace of mind, making it a reliable choice for preserving your vehicle's value and comfort.

Features and Benefits
  • Protects against water and wind intrusion.
  • Restores a tight, factory-like seal.
  • Made from durable, high-quality materials.

$971.99
• SALE $775.95
Select Color/Material Options  
1966 Buick Electra Weatherstrip Seal Kit, for Convertibles.
1969-1970 Buick Electra Weatherstrip Seal Kit, for Convertibles.

For convertible models, this comprehensive weatherstrip kit is designed to fit 1969-1970 Buick Electra, Cadillac DeVille, and Oldsmobile 98 cars. The kit includes Door Seals (LM 18-I), Roof Rail Seals (RR 1811), Trunk Seal (TK 46-18), and Header Seal (HD 731), ensuring a snug and precise fit for your classic vehicle. Crafted from high-quality materials, these seals are built to keep out water, wind, and debris, protecting your car's interior and maintaining its vintage charm. The seals are flexible and durable, making installation straightforward while providing long-lasting performance. Backed by SuperSoft's 30-year warranty, you can trust this kit to deliver reliable protection and enhance the look and feel of your convertible.

Features and Benefits
  • Keeps water, wind, and debris out for a clean interior.
  • Flexible material ensures easy installation and a perfect fit.
  • Protects your classic car while maintaining its vintage appeal.

$977.49
• SALE $780.95
Select Color/Material Options  
1969-1970 Buick Electra Weatherstrip Seal Kit, for Convertibles.

(1583 Total Products)