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 .

1971-1973 Buick Electra Door Lock-Pillar Weatherstrip Seal.

Designed for 2-door hardtops, coupes, and convertibles from 1971-1973 GM B-, C-, and E-body models, this re-issue door lock-pillar seal is a perfect fit for vehicles like the Buick Centurion, Cadillac DeVille, Chevrolet Caprice, and more. Replacing OEM# 9640451/2, this pair (R&L) has been completely re-engineered with new cores and molds to ensure a precise fit and long-lasting performance. Crafted with concours-quality details, these seals are designed to prevent water, dust, and air leaks, keeping your vehicle’s interior protected and quiet. Installation is straightforward, as the seals are tailored to fit snugly into the lock-pillar area, restoring the original look and functionality of your classic car. Backed by Metro’s 30-year Platinum Warranty, you can trust in the durability and quality of this product for decades to come.

Features and Benefits
  • Redesigned with new molds for a precise fit.
  • Protects against water, dust, and air leaks.
  • Concours-quality details enhance appearance.

$119.49
• SALE $95.95
Select Color/Material Options  
1971-1973 Buick Electra Door Lock-Pillar Weatherstrip Seal.
1971-1973 Buick LeSabre Door Lock-Pillar Weatherstrip Seal.

Designed for 2-door hardtops, coupes, and convertibles from 1971-1973 GM B-, C-, and E-body models, this re-issue door lock-pillar seal is a perfect fit for vehicles like the Buick Centurion, Cadillac DeVille, Chevrolet Caprice, and more. Replacing OEM# 9640451/2, this pair (R&L) has been completely re-engineered with new cores and molds to ensure a precise fit and long-lasting performance. Crafted with concours-quality details, these seals are designed to prevent water, dust, and air leaks, keeping your vehicle’s interior protected and quiet. Installation is straightforward, as the seals are tailored to fit snugly into the lock-pillar area, restoring the original look and functionality of your classic car. Backed by Metro’s 30-year Platinum Warranty, you can trust in the durability and quality of this product for decades to come.

Features and Benefits
  • Redesigned with new molds for a precise fit.
  • Protects against water, dust, and air leaks.
  • Concours-quality details enhance appearance.

$119.49
• SALE $95.95
Select Color/Material Options  
1971-1973 Buick LeSabre Door Lock-Pillar Weatherstrip Seal.
1971-1973 Buick Riviera Door Lock-Pillar Weatherstrip Seal.

Designed for 2-door hardtops, coupes, and convertibles from 1971-1973 GM B-, C-, and E-body models, this re-issue door lock-pillar seal is a perfect fit for vehicles like the Buick Centurion, Cadillac DeVille, Chevrolet Caprice, and more. Replacing OEM# 9640451/2, this pair (R&L) has been completely re-engineered with new cores and molds to ensure a precise fit and long-lasting performance. Crafted with concours-quality details, these seals are designed to prevent water, dust, and air leaks, keeping your vehicle’s interior protected and quiet. Installation is straightforward, as the seals are tailored to fit snugly into the lock-pillar area, restoring the original look and functionality of your classic car. Backed by Metro’s 30-year Platinum Warranty, you can trust in the durability and quality of this product for decades to come.

Features and Benefits
  • Redesigned with new molds for a precise fit.
  • Protects against water, dust, and air leaks.
  • Concours-quality details enhance appearance.

$119.49
• SALE $95.95
Select Color/Material Options  
1971-1973 Buick Riviera Door Lock-Pillar Weatherstrip Seal.
1971-1972 Buick GS 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  
1971-1972 Buick GS Header Weatherstrip Seal for Convertibles.
1968-1969 Buick GS 400 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  
1968-1969 Buick GS 400 Header Weatherstrip Seal for Convertibles.

(1583 Total Products)