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 .

1970-1972 Buick GS 455 Header Weatherstrip Seal for Convertibles.

For convertible models, this header seal measures 53-3/4" long and is crafted with molded ends and a durable steel core for a precise fit and lasting performance. Designed with high-quality molded sponge material, it ensures a snug seal that effectively protects your vehicle's interior from water penetration, saving you from costly and time-consuming repairs. This part is specifically made for 1968-1972 Buick GS, Skylark, Chevrolet Chevelle, Oldsmobile 442, Cutlass, Cutlass Supreme, Pontiac GTO, LeMans, and Tempest models, offering a perfect fit for these classic cars. The seal is easy to install, fitting securely along the header area to keep your convertible looking and performing its best. Backed by a 30-year warranty from SuperSoft, you can trust in its quality and durability for decades to come.

Features and Benefits
  • Protects your interior from water damage.
  • Made with molded ends and steel core for durability.
  • High-quality sponge material ensures a tight seal.

$120.49
• SALE $96.95
Select Color/Material Options  
1970-1972 Buick GS 455 Header Weatherstrip Seal for Convertibles.
1968-1972 Buick Skylark Header Weatherstrip Seal for Convertibles.

For convertible models, this header seal measures 53-3/4" long and is crafted with molded ends and a durable steel core for a precise fit and lasting performance. Designed with high-quality molded sponge material, it ensures a snug seal that effectively protects your vehicle's interior from water penetration, saving you from costly and time-consuming repairs. This part is specifically made for 1968-1972 Buick GS, Skylark, Chevrolet Chevelle, Oldsmobile 442, Cutlass, Cutlass Supreme, Pontiac GTO, LeMans, and Tempest models, offering a perfect fit for these classic cars. The seal is easy to install, fitting securely along the header area to keep your convertible looking and performing its best. Backed by a 30-year warranty from SuperSoft, you can trust in its quality and durability for decades to come.

Features and Benefits
  • Protects your interior from water damage.
  • Made with molded ends and steel core for durability.
  • High-quality sponge material ensures a tight seal.

$120.49
• SALE $96.95
Select Color/Material Options  
1968-1972 Buick Skylark Header Weatherstrip Seal for Convertibles.
1971-1972 Buick GS Windshield Pillar Post Weatherstrip Seals for Convertibles.

For convertible models, these windshield pillar post seals measure 23-1/2" long and are sold as a pair, offering a precise reproduction of the original sponge material. Designed to fit 1969-1972 Buick GS, Skylark, Oldsmobile 442, Cutlass, Cutlass Supreme, Pontiac GTO, LeMans, and Tempest cars, these seals ensure a snug and secure fit for your classic vehicle. Crafted with a smooth, flawless skin free of exposed cells, they are resistant to sunlight and UV damage, making them durable and long-lasting. These seals are easy to install, fitting seamlessly along the windshield pillar posts to prevent water, wind, and debris from entering the cabin, while maintaining the car's original appearance. Backed by a 30-year warranty from SuperSoft, you can trust in their quality and performance for decades to come.

Features and Benefits
  • Protects against water, wind, and debris.
  • UV and sunlight resistant for long-lasting durability.
  • Smooth, flawless surface for a clean, original look.
  • Easy installation for a secure, factory-like fit.

$120.99
• SALE $96.95
Select Color/Material Options  
1971-1972 Buick GS Windshield Pillar Post Weatherstrip Seals for Convertibles.
1969 Buick GS 400 Windshield Pillar Post Weatherstrip Seals for Convertibles.

For convertible models, these windshield pillar post seals measure 23-1/2" long and are sold as a pair, offering a precise reproduction of the original sponge material. Designed to fit 1969-1972 Buick GS, Skylark, Oldsmobile 442, Cutlass, Cutlass Supreme, Pontiac GTO, LeMans, and Tempest cars, these seals ensure a snug and secure fit for your classic vehicle. Crafted with a smooth, flawless skin free of exposed cells, they are resistant to sunlight and UV damage, making them durable and long-lasting. These seals are easy to install, fitting seamlessly along the windshield pillar posts to prevent water, wind, and debris from entering the cabin, while maintaining the car's original appearance. Backed by a 30-year warranty from SuperSoft, you can trust in their quality and performance for decades to come.

Features and Benefits
  • Protects against water, wind, and debris.
  • UV and sunlight resistant for long-lasting durability.
  • Smooth, flawless surface for a clean, original look.
  • Easy installation for a secure, factory-like fit.

$120.99
• SALE $96.95
Select Color/Material Options  
1969 Buick GS 400 Windshield Pillar Post Weatherstrip Seals for Convertibles.
1970-1972 Buick GS 455 Windshield Pillar Post Weatherstrip Seals for Convertibles.

For convertible models, these windshield pillar post seals measure 23-1/2" long and are sold as a pair, offering a precise reproduction of the original sponge material. Designed to fit 1969-1972 Buick GS, Skylark, Oldsmobile 442, Cutlass, Cutlass Supreme, Pontiac GTO, LeMans, and Tempest cars, these seals ensure a snug and secure fit for your classic vehicle. Crafted with a smooth, flawless skin free of exposed cells, they are resistant to sunlight and UV damage, making them durable and long-lasting. These seals are easy to install, fitting seamlessly along the windshield pillar posts to prevent water, wind, and debris from entering the cabin, while maintaining the car's original appearance. Backed by a 30-year warranty from SuperSoft, you can trust in their quality and performance for decades to come.

Features and Benefits
  • Protects against water, wind, and debris.
  • UV and sunlight resistant for long-lasting durability.
  • Smooth, flawless surface for a clean, original look.
  • Easy installation for a secure, factory-like fit.

$120.99
• SALE $96.95
Select Color/Material Options  
1970-1972 Buick GS 455 Windshield Pillar Post Weatherstrip Seals for Convertibles.

(1583 Total Products)