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 .

1973 Buick Centurion Weatherstrip Seal Kit.

Designed for the 1973-1977 GM A-body Colonade, Formal, and Sport Coupe (Body Style 57 only), this 5-piece kit includes seals for the doors (LM 12-Y), roof-rails (RR 5019-G), and trunk (TK 46-E/16). It fits models like the Buick Century Luxus Colonade Coupe, Buick Centurion Sport Coupe, Buick Regal Formal Coupe, Buick LeSabre Sport Coupe, Oldsmobile Cutlass Supreme, and Supreme Salon Coupes. Crafted from high-quality materials, these seals are designed to keep your vehicle protected from water, wind, and debris, ensuring a snug and weatherproof fit. The seals are precision-molded for easy installation, providing a factory-like fit that enhances the overall look and functionality of your classic car. Backed by a 30-year warranty from SuperSoft, you can trust in their durability and performance for decades to come.

Features and Benefits
  • Protects against water, wind, and debris for a weatherproof seal.
  • Precision-molded for a perfect fit and easy installation.
  • Enhances the appearance and functionality of your classic car.

$507.99
• SALE $405.95
Select Color/Material Options  
1973 Buick Centurion Weatherstrip Seal Kit.
1973-1977 Buick Regal Weatherstrip Seal Kit.

Designed for the 1973-1977 GM A-body Colonade, Formal, and Sport Coupe (Body Style 57 only), this 5-piece kit includes seals for the doors (LM 12-Y), roof-rails (RR 5019-G), and trunk (TK 46-E/16). It fits models like the Buick Century Luxus Colonade Coupe, Buick Centurion Sport Coupe, Buick Regal Formal Coupe, Buick LeSabre Sport Coupe, Oldsmobile Cutlass Supreme, and Supreme Salon Coupes. Crafted from high-quality materials, these seals are designed to keep your vehicle protected from water, wind, and debris, ensuring a snug and weatherproof fit. The seals are precision-molded for easy installation, providing a factory-like fit that enhances the overall look and functionality of your classic car. Backed by a 30-year warranty from SuperSoft, you can trust in their durability and performance for decades to come.

Features and Benefits
  • Protects against water, wind, and debris for a weatherproof seal.
  • Precision-molded for a perfect fit and easy installation.
  • Enhances the appearance and functionality of your classic car.

$507.99
• SALE $405.95
Select Color/Material Options  
1973-1977 Buick Regal Weatherstrip Seal Kit.
1966-1967 Buick Skylark Complete Weatherstrip Kit for 2-Door Hardtops.

Designed for 2-door hardtops, this Master Kit is a perfect fit for 1966-1967 Buick Skylark cars. It includes high-quality components such as Door Seals (LM 12), Roof Rail Seals (RR 5001), Trunk Seal (TK 46-16), Door Lock Pillars (ALP 5000), 3-Lock Cylinder Pads (UM 1600-100), and a Rear Roll-up Seal (VS 3-L). Each piece is crafted to ensure a snug fit, providing excellent protection against water, wind, and debris while enhancing the overall appearance of your classic Skylark. The seals are made from durable materials that maintain flexibility and performance over time, ensuring your vehicle stays weatherproof and quiet. Backed by a 30-year warranty from SuperSoft, this kit offers long-term peace of mind and reliability.

Features and Benefits
  • Protects against water leaks and wind noise.
  • Enhances the look and feel of your classic car.
  • Includes all essential seals for a complete restoration.

$508.99
• SALE $406.95
Select Color/Material Options  
1966-1967 Buick Skylark Complete Weatherstrip Kit for 2-Door Hardtops.
1970-1972 Buick Skylark Window Sweeper Kit Fits 70-72 Skylark 2 Door Hardtop. 8 Piece Set.

This eight (8) piece set is a must-have for anyone looking to keep their car's side windows clean. The inner and outer felt beltline weatherstrips are perfect for the door and quarter windows, wiping the glass when it's lowered. They're easy to install, with finished ends and body curvature bends for a factory like appearance.

Features and Benefits
  • Get rid of the incessant rattling that makes your beautiful ride feel old
  • Tend to the unsightly felt kit and maintain the interior in a neat and tidy condition

$513.99
• SALE $410.95
Select Color/Material Options  
1970-1972 Buick Skylark Window Sweeper Kit Fits 70-72 Skylark 2 Door Hardtop. 8 Piece Set.
1979-1985 Buick Riviera Weatherstrip Seal Kit, for 2-Door Hardtop.

Designed for 2-door hardtop models, this Basic Kit includes premium seals for the door (LM 18-Q), roof rail (RR 5010-B), and trunk (MW00101), ensuring a snug and weatherproof fit. Tailored for 1979-1985 Buick Riviera, Cadillac Eldorado, and Oldsmobile Toronado cars, this kit is crafted to restore and maintain your vehicle's original charm while keeping it protected from the elements. Each seal is made from high-quality materials, offering excellent durability and flexibility to prevent water, dust, and wind intrusion. The seals are easy to install, fitting seamlessly into their designated areas to provide a clean and professional finish. 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 for a quieter ride.
  • High-quality materials ensure durability and flexibility.
  • Easy installation for a professional fit and finish.

$542.49
• SALE $432.95
Select Color/Material Options  
1979-1985 Buick Riviera Weatherstrip Seal Kit, for 2-Door Hardtop.

(1583 Total Products)