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 .

1965 Buick LeSabre Weatherstrip Seal Kit, for Convertibles.

For convertible models, this Basic Kit includes high-quality seals for the door (LM 20), roof rail (RR 1813), and trunk (TK 46-18), ensuring a snug and weatherproof fit for your classic car. Designed to fit 1965 Buick LeSabre, Wildcat, Chevrolet Impala, Oldsmobile Dynamic 88, Jetstar 88, Starfire, and Pontiac Bonneville and Catalina models, this kit is tailored to restore your vehicle’s original charm while keeping it protected from the elements. Each seal is crafted from durable, flexible materials that provide excellent resistance to water, wind, and wear, ensuring long-lasting performance. The seals are easy to install, fitting seamlessly into the designated areas to prevent leaks and drafts, while enhancing the overall appearance of your car. Backed by a 30-year warranty from SuperSoft, you can trust in the quality and reliability of these parts for decades to come.

Features and Benefits
  • Protects against water and wind intrusion for a comfortable ride.
  • Restores the original look and function of your classic convertible.
  • Easy-to-install design ensures a hassle-free restoration process.

$905.49
• SALE $722.95
Select Color/Material Options  
1965 Buick LeSabre Weatherstrip Seal Kit, for Convertibles.
1965 Buick Wildcat Weatherstrip Seal Kit, for Convertibles.

For convertible models, this Basic Kit includes high-quality seals for the door (LM 20), roof rail (RR 1813), and trunk (TK 46-18), ensuring a snug and weatherproof fit for your classic car. Designed to fit 1965 Buick LeSabre, Wildcat, Chevrolet Impala, Oldsmobile Dynamic 88, Jetstar 88, Starfire, and Pontiac Bonneville and Catalina models, this kit is tailored to restore your vehicle’s original charm while keeping it protected from the elements. Each seal is crafted from durable, flexible materials that provide excellent resistance to water, wind, and wear, ensuring long-lasting performance. The seals are easy to install, fitting seamlessly into the designated areas to prevent leaks and drafts, while enhancing the overall appearance of your car. Backed by a 30-year warranty from SuperSoft, you can trust in the quality and reliability of these parts for decades to come.

Features and Benefits
  • Protects against water and wind intrusion for a comfortable ride.
  • Restores the original look and function of your classic convertible.
  • Easy-to-install design ensures a hassle-free restoration process.

$905.49
• SALE $722.95
Select Color/Material Options  
1965 Buick Wildcat Weatherstrip Seal Kit, for Convertibles.
1965 Buick Electra Weatherstrip Seal Kit, for Convertibles.

For convertible models, this high-quality weatherstrip kit is designed to fit 1965 Buick Electra, Cadillac DeVille, Cadillac Eldorado, and Oldsmobile 98 vehicles. This convenient kit includes door seals (LM 20), roof rail seals (RR 1813-C), and trunk seals (TK 46-18), ensuring a snug and secure fit to keep your classic car protected from the elements. Crafted with precision, these seals are made from durable, long-lasting materials that provide excellent weatherproofing, keeping water, wind, and noise out of your vehicle. The sleek black finish complements the car's original design, enhancing its appearance while maintaining its classic charm. Backed by a 30-year warranty from SuperSoft, you can trust in the quality and durability of these parts for decades to come.

Features and Benefits
  • Protects your car's interior from water and wind.
  • Reduces road noise for a quieter ride.
  • Enhances the car's appearance with a clean, seamless fit.

$905.49
• SALE $722.95
Select Color/Material Options  
1965 Buick Electra Weatherstrip Seal Kit, for Convertibles.
1963-1964 Buick Electra Weatherstrip Seal Kit, for Convertibles.

For convertible models, this Basic Kit includes high-quality seals for the door (LM 20-A), roof rail (RR 1810), and trunk (TK 46-18), ensuring a snug and weatherproof fit. Designed to fit 1963-1964 Buick Electra, Cadillac Eldorado, Cadillac Series 62, Cadillac DeVille, and Oldsmobile 98 models, this kit is tailored to restore your classic car’s original charm while keeping it protected from the elements. Each seal is crafted from durable, flexible materials that provide excellent resistance to water, wind, and dust, ensuring your vehicle stays dry and quiet. The seals are easy to install, fitting seamlessly into the original mounting locations for a hassle-free restoration. Backed by a 30-year warranty from SuperSoft, you can trust in the long-lasting quality and performance of this kit.

Features and Benefits
  • Keeps your convertible protected from water and wind.
  • Easy installation with precise fit for classic models.
  • Durable materials ensure long-lasting performance.

$909.49
• SALE $725.95
Select Color/Material Options  
1963-1964 Buick Electra Weatherstrip Seal Kit, for Convertibles.
1957-1958 Buick Century Weatherstrip Seal Kit, for Convertibles.

Designed specifically for convertibles, this SUPERsoft Basic Kit includes high-quality seals for the door (LM 20-G), roof rail (RR 1702), and trunk (TK 46-18), ensuring a snug and weatherproof fit. Tailored for 1957-1958 Buick and Oldsmobile models, including the Buick Century, Roadmaster, Special, Super, Limited, and Oldsmobile 88, Starfire, Dynamic 88, and Super 88, this kit is crafted to restore your classic car’s original charm while keeping it protected from the elements. Each seal is made from premium materials that resist wear and tear, providing long-lasting durability and a clean, professional finish. The seals are designed to fit seamlessly into their respective areas, offering easy installation and a precise fit that prevents leaks and wind noise. Backed by a 30-year warranty, this kit ensures peace of mind for decades to come.

Features and Benefits
  • Provides a tight seal to keep out water, wind, and debris.
  • Restores the original look and function of your classic convertible.
  • Made from durable, high-quality materials for long-lasting performance.

$937.49
• SALE $748.95
Select Color/Material Options  
1957-1958 Buick Century Weatherstrip Seal Kit, for Convertibles.

(1583 Total Products)