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.
Designed for 1965 GM B & C Body Convertibles, these pillar post seals are a perfect fit for models like the Buick Electra, LeSabre, Wildcat, Cadillac DeVille, Eldorado, Chevrolet Impala, Oldsmobile 98, Dynamic 88, Jetstar 88, Starfire, and Pontiac Bonneville and Catalina. Crafted by SUPERsoft, these seals are built to last with a smooth, flawless surface that resists sunlight and UV damage, ensuring long-term durability and a sleek appearance. These seals are designed to fit snugly along the convertible’s pillar posts, effectively sealing out water, wind, and debris to keep your interior protected and quiet. Installation is straightforward, with the seals aligning perfectly to the original specifications for a seamless fit. Backed by SUPERsoft’s 30-year warranty, you can trust in their quality and performance for decades to come.
Features and Benefits
For convertible models, these windshield pillar post seals measure 25 inches long and come as a two-piece pair, designed to fit seamlessly on 1969-1970 Buick Electra, LeSabre, Wildcat, Cadillac DeVille, Chevrolet Impala, Oldsmobile 98, Delta 88, Pontiac Bonneville, and Catalina cars. Crafted by SUPERsoft, these seals are sunlight and UV-resistant, ensuring long-lasting durability and protection against harsh weather conditions. The smooth, flawless surface is free of exposed cells, providing a clean, professional finish that enhances the look of your classic car. These seals are designed to install along the windshield pillars, creating a tight, weatherproof barrier that keeps out wind, rain, and debris, ensuring a quieter and more comfortable ride. Backed by a 30-year warranty, SUPERsoft guarantees quality and reliability for decades to come.
Features and Benefits
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 2-door hardtop (sport coupe) and convertible models, this vulcanized windshield seal is designed to fit perfectly and ensure a leak-free experience. Crafted with high-quality compounds, it is built to last for the lifetime of your vehicle, providing a durable and reliable seal for your windshield. This part is specifically made for 1958 Chevrolet Impala, Pontiac Bonneville, and Pontiac Chieftain cars, ensuring a precise fit for these classic models. The seal is engineered to prevent water and air leaks, keeping your interior protected from the elements while enhancing the overall appearance of your vehicle. With its sleek black finish, it blends seamlessly with your car's design, maintaining its classic look. Backed by a 90-day warranty, this part guarantees peace of mind with a no-hassle replacement policy if it fails within the covered period.
Features and Benefits
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