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 .

1963 Buick Invicta Molded Roof Rail Weatherstrip Seals for 2-Door Hardtop. Pair R&L.

Designed for 2-door hardtop models, these molded roof rail seals are precision-crafted to fit perfectly and ensure a watertight seal. This pair, including both right and left seals, is made by SUPERsoft, a brand known for its high-quality materials and craftsmanship. Unlike competitors, these seals are manufactured without accelerants or cheap fillers, ensuring they won’t prematurely age or fail. They are guaranteed to never leak, providing better sealing performance and long-lasting durability. These seals are compatible with 1963 Buick Invicta, LeSabre, and Wildcat; 1963 Chevrolet Impala; 1963 Oldsmobile Starfire; 1963 Pontiac Bonneville and Catalina; 1964 Buick LeSabre and Wildcat; 1964 Chevrolet Impala; 1964 Oldsmobile Starfire; and 1964 Pontiac Bonneville and Catalina. Backed by a 30-year warranty, these seals offer peace of mind and confidence in your purchase.

Features and Benefits
  • Provides a watertight seal to prevent leaks.
  • Made with premium materials for long-lasting durability.
  • Perfect fit for 2-door hardtop models from 1963-1964.

$154.99
• SALE $123.95
Select Color/Material Options  
1963 Buick Invicta Molded Roof Rail Weatherstrip Seals for 2-Door Hardtop. Pair R&L.
1963-1964 Buick LeSabre Molded Roof Rail Weatherstrip Seals for 2-Door Hardtop. Pair R&L.

Designed for 2-door hardtop models, these molded roof rail seals are precision-crafted to fit perfectly and ensure a watertight seal. This pair, including both right and left seals, is made by SUPERsoft, a brand known for its high-quality materials and craftsmanship. Unlike competitors, these seals are manufactured without accelerants or cheap fillers, ensuring they won’t prematurely age or fail. They are guaranteed to never leak, providing better sealing performance and long-lasting durability. These seals are compatible with 1963 Buick Invicta, LeSabre, and Wildcat; 1963 Chevrolet Impala; 1963 Oldsmobile Starfire; 1963 Pontiac Bonneville and Catalina; 1964 Buick LeSabre and Wildcat; 1964 Chevrolet Impala; 1964 Oldsmobile Starfire; and 1964 Pontiac Bonneville and Catalina. Backed by a 30-year warranty, these seals offer peace of mind and confidence in your purchase.

Features and Benefits
  • Provides a watertight seal to prevent leaks.
  • Made with premium materials for long-lasting durability.
  • Perfect fit for 2-door hardtop models from 1963-1964.

$154.99
• SALE $123.95
Select Color/Material Options  
1963-1964 Buick LeSabre Molded Roof Rail Weatherstrip Seals for 2-Door Hardtop. Pair R&L.
1963-1964 Buick Wildcat Molded Roof Rail Weatherstrip Seals for 2-Door Hardtop. Pair R&L.

Designed for 2-door hardtop models, these molded roof rail seals are precision-crafted to fit perfectly and ensure a watertight seal. This pair, including both right and left seals, is made by SUPERsoft, a brand known for its high-quality materials and craftsmanship. Unlike competitors, these seals are manufactured without accelerants or cheap fillers, ensuring they won’t prematurely age or fail. They are guaranteed to never leak, providing better sealing performance and long-lasting durability. These seals are compatible with 1963 Buick Invicta, LeSabre, and Wildcat; 1963 Chevrolet Impala; 1963 Oldsmobile Starfire; 1963 Pontiac Bonneville and Catalina; 1964 Buick LeSabre and Wildcat; 1964 Chevrolet Impala; 1964 Oldsmobile Starfire; and 1964 Pontiac Bonneville and Catalina. Backed by a 30-year warranty, these seals offer peace of mind and confidence in your purchase.

Features and Benefits
  • Provides a watertight seal to prevent leaks.
  • Made with premium materials for long-lasting durability.
  • Perfect fit for 2-door hardtop models from 1963-1964.

$154.99
• SALE $123.95
Select Color/Material Options  
1963-1964 Buick Wildcat Molded Roof Rail Weatherstrip Seals for 2-Door Hardtop. Pair R&L.
1959-1960 Buick Electra Vulcanized Rear Windshield Weatherstrip Seal. 2 & 4 Door Sedan. Each.

This rear windshield seal is designed for 2- and 4-door sedans, ensuring a precise fit for 1959-1960 Buick Electra, Buick LeSabre, Chevrolet Bel Air, Chevrolet Biscayne, Chevrolet Impala, Chevrolet Corvair, Oldsmobile 98, Oldsmobile Dynamic 88, Oldsmobile Super 88, and Pontiac Catalina models. Crafted with vulcanized high-quality compounds, this seal guarantees a perfect fit and a leak-free installation, protecting your vehicle from water damage and ensuring long-lasting durability. Its sleek black finish complements the classic design of your car while providing a snug, weatherproof barrier for the rear windshield. Installation is straightforward, as the seal is engineered to fit seamlessly into the original mounting area, restoring the integrity of your vehicle's rear window. Backed by a 90-day hassle-free warranty, this part is a reliable choice for maintaining the value and functionality of your classic car.

Features and Benefits
  • Creates a watertight seal to prevent leaks.
  • Made with durable materials for a lifetime of use.
  • Fits perfectly for easy installation.
  • Enhances the look and protection of your classic car.

$156.99
• SALE $125.95
Select Color/Material Options  
1959-1960 Buick Electra Vulcanized Rear Windshield Weatherstrip Seal. 2 & 4 Door Sedan. Each.
1959-1960 Buick LeSabre Vulcanized Rear Windshield Weatherstrip Seal. 2 & 4 Door Sedan. Each.

This rear windshield seal is designed for 2- and 4-door sedans, ensuring a precise fit for 1959-1960 Buick Electra, Buick LeSabre, Chevrolet Bel Air, Chevrolet Biscayne, Chevrolet Impala, Chevrolet Corvair, Oldsmobile 98, Oldsmobile Dynamic 88, Oldsmobile Super 88, and Pontiac Catalina models. Crafted with vulcanized high-quality compounds, this seal guarantees a perfect fit and a leak-free installation, protecting your vehicle from water damage and ensuring long-lasting durability. Its sleek black finish complements the classic design of your car while providing a snug, weatherproof barrier for the rear windshield. Installation is straightforward, as the seal is engineered to fit seamlessly into the original mounting area, restoring the integrity of your vehicle's rear window. Backed by a 90-day hassle-free warranty, this part is a reliable choice for maintaining the value and functionality of your classic car.

Features and Benefits
  • Creates a watertight seal to prevent leaks.
  • Made with durable materials for a lifetime of use.
  • Fits perfectly for easy installation.
  • Enhances the look and protection of your classic car.

$156.99
• SALE $125.95
Select Color/Material Options  
1959-1960 Buick LeSabre Vulcanized Rear Windshield Weatherstrip Seal. 2 & 4 Door Sedan. Each.

(1583 Total Products)