Stop leaks, drafts, and road noise in your Pontiac Bonneville 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 Pontiac Bonneville—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.
Our Pontiac Bonneville 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 Pontiac Bonneville, 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 Pontiac Bonneville.
For 4-door sedans (except Ciera), these rear molded door seals are designed to replace OEM# 20008190/1 and come as a pair for both the right and left sides. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug fit and long-lasting performance. They are free from accelerants and cheap fillers, which means they resist premature aging and cracking, providing a reliable barrier against water, wind, and noise. These seals are compatible with a wide range of vehicles, including 1978-1981 Buick Century, 1978-1983 Chevrolet Malibu, 1978-1987 Oldsmobile Cutlass models, and 1978-1986 Pontiac Grand LeMans and LeMans, among others. Installation is straightforward, as the seals are molded to fit perfectly into the rear door frames, restoring the original factory look and function. Backed by a 30-year warranty from SUPERsoft, you can trust these seals to maintain their quality and performance for decades.
Features and Benefits
For 4-door sedans, these rear molded door seals are designed to fit perfectly, measuring 125-1/4" each and sold as a pair for both the right and left sides. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug fit that keeps out water, wind, and noise while maintaining flexibility over time. Unlike other seals, they are made without accelerants or cheap fillers, which means they resist premature aging and cracking. These seals are compatible with a wide range of vehicles, including the 1977-1985 Buick LeSabre, Chevrolet Caprice, Chevrolet Impala, Oldsmobile Delta 88, Pontiac Bonneville, Pontiac Catalina, and 1983-1987 Pontiac Parisienne, among others. Backed by a 30-year warranty, these seals offer long-lasting protection and peace of mind.
Features and Benefits
For 2-door hardtop and convertible models, these molded door seals with clips are designed to provide a perfect fit and reliable protection. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug and long-lasting seal against wind, water, and noise. Unlike other products, these seals are made without accelerants or cheap fillers, which means they resist aging and cracking over time. Specifically designed for 1961-1962 Buick Electra, Invicta, and LeSabre; Cadillac DeVille, Eldorado, and Series 62; Chevrolet Bel Air and Impala; Oldsmobile 98, Dynamic 88, Starfire, and Super 88; and Pontiac Bonneville, Catalina, Ventura, and Grand Prix, these seals are a direct replacement for your classic car. The pair includes both left and right seals, making installation straightforward with the included clips. Backed by a 30-year warranty from SUPERsoft, you can trust these seals to maintain your car’s integrity and appearance for decades.
Features and Benefits
For 2-door hardtops and convertibles, these molded door seals are designed to fit perfectly, excluding Grand Prix hardtops or formal top models. With original part numbers (#7648132 and #7648133), these seals are crafted by SUPERsoft to provide a snug, weatherproof barrier for your doors. They are 30% softer and more durable than other brands, ensuring a tight seal that keeps out water, wind, and noise while maintaining flexibility for easy installation. Unlike other seals, these are made without accelerants or cheap fillers, preventing premature aging or cracking. Fitment includes a range of classic cars such as the 1966 Pontiac Grand Prix, 1967 Buick Electra, 1967 Chevrolet Impala, 1967 Cadillac DeVille, and many more through 1968, making them a versatile choice for restoring your vehicle's original charm. Backed by a 30-year warranty, these seals are built to last and provide peace of mind for decades.
Features and Benefits
For classic car enthusiasts, this front door weatherstrip pair is a perfect fit for 1958 Chevrolet Biscayne cars and a wide range of 1959-1960 Buick, Chevrolet, Oldsmobile, and Pontiac models, including the Invicta, Bel Air, Impala, and Bonneville. Designed to seal the full perimeter of the front doors, these weatherstrips ensure a snug fit against the vehicle body when the doors are closed. Crafted by Metro Moulded Parts, these weatherstrips are 30% softer and more durable than other brands, providing a long-lasting, reliable seal. The pin-on installation makes it easy to mount directly to the left and right front doors, restoring the original look and functionality of your classic car. Unlike other brands, Metro parts are free from accelerants and cheap fillers, ensuring they resist premature aging and failure. Backed by Metro’s 30-year Platinum Warranty, you can trust this product to protect your vehicle for decades.
Features and Benefits
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