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 .
Apollo
Centurion
Century
Electra
Estate Wagon
Gran Sport
GS
GS 350
GS 400
GS 455
Invicta
LeSabre
Limited
Rainier
Regal
Riviera
Roadmaster
Skyhawk
Skylark
Somerset
Somerset Regal
Special
Sportwagon
Super
Wildcat
For convertible models, these windshield pillar post seals measure 22-1/2" long and are sold as a pair, designed to fit seamlessly into your classic 1963-1964 Buick LeSabre, Buick Wildcat, Chevrolet Impala, Oldsmobile Dynamic 88, Oldsmobile Starfire, Pontiac Bonneville, or Pontiac Catalina. Crafted by SUPERsoft, these seals are a high-quality reproduction with a smooth, flawless surface free of exposed cells, ensuring a clean and polished look. Built to withstand sunlight and UV exposure, they provide long-lasting durability and protection against the elements, keeping your interior safe from water leaks and weather damage. These seals are easy to install, fitting snugly along the windshield pillars to restore the original appearance and functionality of your convertible. Backed by SUPERsoft's 30-year warranty, you can trust in their quality and longevity.
Features and Benefits
For convertible models, these windshield pillar post seals measure 21 inches long and come as a pair, designed to fit a range of classic cars, including the 1961-1962 Buick Electra, Invicta, and LeSabre; 1961 Cadillac Eldorado and Series 62; 1961-1962 Chevrolet Impala; 1961-1962 Oldsmobile 98, Dynamic 88, Starfire, and Super 88; and 1961-1962 Pontiac Bonneville and Catalina. These seals are crafted with a smooth, flawless surface that resists sunlight and UV damage, ensuring long-lasting durability and a clean, polished look. Designed to replace worn or damaged seals, they provide a snug fit along the windshield pillars, keeping out wind, water, and debris while enhancing the overall appearance of your classic convertible. Backed by SuperSoft’s 30-year warranty, these seals offer peace of mind and reliable performance for decades to come.
Features and Benefits
For convertible models, these windshield pillar post seals measure 21 inches long and come as a pair, designed to fit a range of classic cars, including the 1961-1962 Buick Electra, Invicta, and LeSabre; 1961 Cadillac Eldorado and Series 62; 1961-1962 Chevrolet Impala; 1961-1962 Oldsmobile 98, Dynamic 88, Starfire, and Super 88; and 1961-1962 Pontiac Bonneville and Catalina. These seals are crafted with a smooth, flawless surface that resists sunlight and UV damage, ensuring long-lasting durability and a clean, polished look. Designed to replace worn or damaged seals, they provide a snug fit along the windshield pillars, keeping out wind, water, and debris while enhancing the overall appearance of your classic convertible. Backed by SuperSoft’s 30-year warranty, these seals offer peace of mind and reliable performance for decades to come.
Features and Benefits
For convertible models, these windshield pillar post seals measure 21 inches long and come as a pair, designed to fit a range of classic cars, including the 1961-1962 Buick Electra, Invicta, and LeSabre; 1961 Cadillac Eldorado and Series 62; 1961-1962 Chevrolet Impala; 1961-1962 Oldsmobile 98, Dynamic 88, Starfire, and Super 88; and 1961-1962 Pontiac Bonneville and Catalina. These seals are crafted with a smooth, flawless surface that resists sunlight and UV damage, ensuring long-lasting durability and a clean, polished look. Designed to replace worn or damaged seals, they provide a snug fit along the windshield pillars, keeping out wind, water, and debris while enhancing the overall appearance of your classic convertible. Backed by SuperSoft’s 30-year warranty, these seals offer peace of mind and reliable performance for decades to come.
Features and Benefits
Designed for 1978-1988 GM G-Body 2-door vehicles, these lower door sill seals replace OEM #20376226 and are crafted to fit seamlessly between the panel and the lower part of the doors. Made from durable EPDM polymer, these seals ensure a snug, accurate fit, effectively keeping out moisture, dirt, and drafts while maintaining the integrity of your vehicle's interior. The sleek black finish and precise seal profile enhance both functionality and appearance, making them a reliable upgrade for your classic car or truck. Fitment includes popular models like the Buick Regal, Chevrolet Monte Carlo, El Camino, GMC Caballero, Oldsmobile Cutlass, and Pontiac Grand Prix from 1978 to 1988. Backed by a 90-day hassle-free warranty, these seals are a dependable choice for restoring your vehicle's comfort and style.
Features and Benefits
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