Buick Centurion Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

Stop leaks, drafts, and road noise in your Buick Centurion 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 Centurion—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.

Our Buick Centurion 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 Centurion, 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 Centurion.

1971-1973 Buick Centurion Roof Rail Weatherstrip Seals, for Hardtop. 1-1/16" Wide X 8' Long.

Designed for hardtop vehicles, these roof rail seals measure 1-1/16" wide and 8' long, providing a perfect fit and reliable protection. Sold as a pair, these seals are crafted by SUPERsoft to deliver better sealing than competitor brands, ensuring your car stays dry and protected from leaks. They are made without accelerants or cheap fillers, which means they won’t age or fail prematurely, offering long-lasting durability. These seals are installed along the roof rails of your hardtop, creating a tight, weatherproof barrier to keep out water, wind, and noise, enhancing your driving experience. Backed by a 30-year warranty, you can trust that these seals are built to last and provide peace of mind for decades.

Features and Benefits
  • Provides a tight seal to prevent leaks and keep your car interior dry.
  • Made with high-quality materials that resist aging and wear.
  • Easy to install along the roof rails for a secure fit.

$114.49
• SALE $91.95
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1971-1973 Buick Centurion Roof Rail Weatherstrip Seals, for Hardtop. 1-1/16" Wide X 8' Long.
1971-1973 Buick Centurion 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
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1971-1973 Buick Centurion Door Lock-Pillar Weatherstrip Seal.
1971-1973 Buick Centurion Reissue. Header Weatherstrip Seal.

For convertible models of the 1971-1975 GM B-body and 1971-1976 GM E-body, this header seal measures 48-1/2 inches long and replaces OEM part #9833656. Crafted with precision using all-new 2015 retooled molds, it ensures an improved fit and reliable function. Made from soft yet durable EPDM sponge rubber with galvanized steel cores, this seal is designed to provide a snug, weatherproof barrier, protecting your vehicle's interior from water penetration and preventing costly repairs. Its high-quality construction guarantees durability and a clean, professional look once installed. Fitment includes classic models like the Buick Centurion, Cadillac Eldorado, Chevrolet Caprice, and more from 1971 to 1976. Backed by a 30-year warranty from SuperSoft, this part offers long-term peace of mind.

Features and Benefits
  • Protects against water damage, preserving your car's interior.
  • Made with durable EPDM rubber for long-lasting performance.
  • Galvanized steel cores ensure a secure and reliable fit.

$120.99
• SALE $96.95
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1971-1973 Buick Centurion Reissue. Header Weatherstrip Seal.
1971-1973 Buick Centurion Windshield Pillar Post Weatherstrip Seals for Convertibles. 26" Long.

For convertible models, these windshield pillar post seals measure 26 inches long and come as a pair, designed to fit seamlessly on 1971-1976 Buick Centurion, Buick LeSabre, Cadillac Eldorado, Chevrolet Impala, Chevrolet Caprice, Oldsmobile Delta 88, Pontiac Catalina, and Pontiac Grandville cars. Crafted by SUPERsoft, these seals are sunlight and UV-resistant, ensuring long-lasting durability even under harsh conditions. Their smooth, flawless surface is free of exposed cells, providing a clean and professional finish that enhances the overall look of your classic car. These seals are designed to prevent water and air leaks around the windshield pillars, keeping your interior protected and quiet. 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 and air leaks for a quieter ride.
  • UV-resistant material ensures long-lasting durability.
  • Smooth, flawless surface enhances your car's appearance.

$124.99
• SALE $99.95
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1971-1973 Buick Centurion Windshield Pillar Post Weatherstrip Seals for Convertibles. 26" Long.
1971-1973 Buick Centurion Front Molded Door Weatherstrip Seals.

For 4-door sedans and wagons with RWD, these front molded door seals are 138-1/2" long and come as a pair for both the right and left sides. Designed specifically for 1971-1976 Buick, Chevrolet, Oldsmobile, and Pontiac models, including the Centurion, LeSabre, Impala, Caprice, and more, these seals ensure a snug fit and excellent protection against the elements. Made by SUPERsoft, these seals are crafted with a unique formula that is 30% softer and more durable than other brands, providing a long-lasting, tight seal without the use of cheap fillers or accelerants that can cause premature aging. The seals are easy to install, fitting seamlessly into the door frame to block out wind, water, and noise, enhancing both comfort and performance. Backed by a 30-year warranty, these seals are built to last, giving you peace of mind for decades.

Features and Benefits
  • Provides a tight seal to block wind, water, and noise.
  • Made with a durable, soft material for long-lasting performance.
  • Easy to install for a precise fit on 4-door sedans and wagons.

$184.49
• SALE $147.95
Select Color/Material Options  
1971-1973 Buick Centurion Front Molded Door Weatherstrip Seals.

(26 Total Products)