Stop leaks, drafts, and road noise in your Buick Gran Sport 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 Gran Sport—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.
Our Buick Gran Sport 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 Gran Sport, 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 Gran Sport.
Designed for convertible body styles, this rear quarter window seal pair from Metro Moulded Parts ensures a snug, weatherproof fit for your classic car. Crafted with concours-quality precision, these seals are easy to install and provide a perfect barrier against water and air leaks, keeping your interior protected and quiet. They are specifically designed to fit 1964-1967 Buick Skylark, Special, and Gran Sport; Chevrolet Chevelle and Malibu; Oldsmobile Cutlass; and Pontiac GTO, LeMans, and Tempest models. The durable material ensures long-lasting performance, while the precise design enhances the overall look and functionality of your vehicle. Backed by Metro's 30-year Platinum Warranty, you can trust these seals to maintain their integrity for decades.
Features and Benefits
Designed for hardtop vehicles, these roof rail seals measure 1-1/16" wide and 6' long, providing a perfect fit for your car. Sold as a pair, these seals are crafted by SUPERsoft to deliver unmatched durability and performance. Unlike competitor brands, these seals are made without accelerants or cheap fillers, ensuring they won’t prematurely age or fail. Their design guarantees a tight, leak-free seal, keeping your vehicle protected from water and weather damage. Easy to install, these seals fit snugly along the roof rails, enhancing the overall look and functionality of your hardtop. Backed by a 30-year warranty, SUPERsoft ensures long-lasting confidence in your purchase.
Features and Benefits
For 1966-1967 Buick Gran Sport, Skylark, Special, Chevrolet Chevelle, Malibu, Oldsmobile 442, Cutlass, and Pontiac GTO, LeMans, and Tempest cars, this top bow to header seal is 55" long and designed to fit perfectly. Crafted with steel cores on the ends and equipped with all necessary clips, it ensures a secure and precise installation. Made with the finest quality materials and expert craftsmanship, this seal is built to protect your car’s interior by preventing water penetration, saving you from costly and time-consuming repairs. Its durable construction and snug fit make it an essential upgrade for maintaining the integrity and appearance of your classic car. Backed by a 30-year warranty from SuperSoft, you can trust in its long-lasting performance and reliability.
Features and Benefits
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
For convertible models, these windshield pillar post seals measure 25 inches long and come as a two-piece pair. Designed to fit 1966-1967 Buick Gran Sport, Skylark, and Special; Chevrolet Chevelle and Malibu; Oldsmobile 442 and Cutlass; and Pontiac GTO, LeMans, and Tempest cars, these seals are crafted to provide a snug, weatherproof fit. They are sunlight and UV-resistant, ensuring long-lasting durability and protection against harsh elements. The seals feature a smooth, flawless surface free of exposed cells, giving them a clean, professional appearance. Installed along the windshield pillars, they help prevent water leaks and wind noise, enhancing the comfort and integrity of your classic car. Backed by a 30-year warranty from SuperSoft, these seals offer peace of mind and reliable performance for decades.
Features and Benefits
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