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

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

Our Buick LeSabre 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 LeSabre, 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 LeSabre.

1977-1990 Buick LeSabre Molded Door Weatherstrip Seals. For 2-Door Sedans with RWD. Pair R&L.

For 2-door sedans with rear-wheel drive, these molded door seals are designed to provide a perfect fit and exceptional durability. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug, weatherproof seal that keeps out wind, rain, and noise. Unlike other products, these seals are made without accelerants or cheap fillers, which means they resist aging and cracking over time. This pair includes both the right and left seals, making it easy to restore your vehicle's doors to their original condition. Compatible with a wide range of classic cars, including the 1977-1990 Buick Electra, Buick LeSabre, Cadillac Fleetwood, Chevrolet Caprice, Chevrolet Impala, Oldsmobile 98, and Oldsmobile Delta 88, these seals are a must-have for maintaining the integrity and comfort of your ride. Backed by a 30-year warranty from SUPERsoft, you can trust these seals to perform for decades.

Features and Benefits
  • Provides a tight seal to block out wind, rain, and noise.
  • Made from premium materials to resist aging and cracking.
  • Easy to install for a precise fit on 2-door sedans with RWD.

$171.49
• SALE $136.95
Select Color/Material Options  
1977-1990 Buick LeSabre Molded Door Weatherstrip Seals. For 2-Door Sedans with RWD. Pair R&L.
1966-1968 Buick LeSabre Pillar Post Weatherstrip Seals, 66-68 GM B & C Body Convertibles, Pair.

For 1966-1968 GM B & C Body Convertibles, these pillar post seals, also known as hinge pillar weatherstrips, replace OEM #7602728 and #7602729. Designed to fit between the A-pillar post and the front door, these seals are crafted from soft yet durable EPDM sponge polymer, ensuring a snug and long-lasting fit. They feature embedded internal cores around the main mounting holes, providing extra strength during installation with original hardware. The seals also include hard plastic installation clips for a secure and hassle-free setup. Proudly made in the USA, they boast a smooth skin finish free of exposed cells or flaws, enhancing both durability and appearance. These seals are compatible with a range of classic models, including the 1966-1968 Buick Electra, LeSabre, Wildcat, Cadillac DeVille, Eldorado, Chevrolet Impala, Oldsmobile 98, Delta 88, Delmont 88, Dynamic 88, and Pontiac Bonneville, Catalina, and Grand Prix. Backed by a 30-year warranty from SuperSoft, you can trust in their quality and longevity.

Features and Benefits
  • Provides a tight seal to prevent water and air leaks.
  • Reinforced cores ensure durability during installation.
  • Includes clips for easy and secure mounting.
  • Made from premium EPDM sponge polymer for long-lasting performance.

$171.99
• SALE $137.95
Select Color/Material Options  
1966-1968 Buick LeSabre Pillar Post Weatherstrip Seals, 66-68 GM B & C Body Convertibles, Pair.
1974-1976 Buick LeSabre Molded Roof Rail Weatherstrip Seals, for 2-Door Hardtop.

For 2-door hardtop models, these molded roof rail seals are 73-5/8" long and come as a pair for both the right and left sides. Designed with precision-molded ends, they ensure a snug fit and better sealing compared to competitor brands, keeping your vehicle completely leak-free. Crafted by SUPERsoft, these seals are made without accelerants or cheap fillers, ensuring long-lasting durability and resistance to premature aging or failure. They are specifically designed to fit 1971-1976 models, including Buick Electra, Riviera, and LeSabre; Cadillac Calais and DeVille; Chevrolet Impala; Oldsmobile 98, Delta 88, and Toronado; and Pontiac Grandville, Bonneville, and Catalina. These seals are easy to install, fitting seamlessly into the roof rail channels to restore your car’s weatherproofing and maintain its classic look. Backed by SUPERsoft’s 30-year warranty, you can trust in their quality and performance for decades to come.

Features and Benefits
  • Provides a perfect seal to prevent leaks.
  • Made with durable materials for long-lasting use.
  • Easy installation for a hassle-free fit.

$178.49
• SALE $142.95
Select Color/Material Options  
1974-1976 Buick LeSabre Molded Roof Rail Weatherstrip Seals, for 2-Door Hardtop.
1977-1986 Buick LeSabre Front Molded Door Weatherstrip Seals with White Clips.

For 4-door sedans and wagons with rear-wheel drive, these front molded door seals with white clips are designed to provide a snug, weatherproof fit. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a long-lasting and reliable barrier against wind, water, and noise. Unlike inferior products, these seals are made without accelerants or cheap fillers, which means they resist premature aging and maintain their integrity over time. They are a perfect fit for a wide range of classic cars, including the 1977-1986 Buick Electra, Buick LeSabre, Cadillac DeVille, Cadillac Fleetwood, Chevrolet Caprice, Chevrolet Impala, Oldsmobile 98, Oldsmobile Delta 88, Pontiac Bonneville, and Pontiac Parisienne. Installation is straightforward, as the seals are molded to fit precisely and include white clips for secure attachment. Backed by a 30-year warranty exclusive to SUPERsoft products, you can trust these seals to perform for decades.

Features and Benefits
  • Provides a tight seal to block wind, water, and noise.
  • Made from durable, high-quality materials for long-lasting performance.
  • Easy installation with included white clips for a secure fit.

$183.99
• SALE $146.95
Select Color/Material Options  
1977-1986 Buick LeSabre Front Molded Door Weatherstrip Seals with White Clips.
1971-1976 Buick LeSabre 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  
1971-1976 Buick LeSabre Front Molded Door Weatherstrip Seals.

(169 Total Products)