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.
For 2-door sedans, this door seal pair with clips and molded ends is designed to replace OEM #4892622/3, ensuring a snug and reliable fit. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, providing a superior seal against wind, water, and noise. The seals are free from accelerants and cheap fillers, which means they resist aging and cracking over time. Perfectly tailored for 1964-1965 Buick Skylark, Special, and Gran Sport; Chevrolet Chevelle and Malibu; Oldsmobile Cutlass, F85, and 442; and Pontiac GTO, LeMans, and Tempest models, these seals restore the original look and functionality of your classic car. Backed by a 30-year warranty, these seals offer long-lasting protection and peace of mind.
Features and Benefits
For 2-door sedans, these molded door seals with clips are designed to replace OEM #4540548/9 and measure 146" each, providing a precise fit for your classic car restoration. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug, long-lasting seal that keeps out water, wind, and noise. Unlike other options, these seals are made without accelerants or cheap fillers, preventing premature aging or cracking. Fitment includes 1966-1967 Buick Gran Sport, Skylark, and Special; 1966-1967 Chevrolet Chevelle; 1966-1967 Oldsmobile 442, Cutlass, and F85; and 1966-1967 Pontiac GTO, LeMans, and Tempest. Backed by a 30-year warranty, these seals are a reliable choice for maintaining your car’s original look and feel while protecting its interior from the elements.
Features and Benefits
Designed for classic Buick cars, this shift boot fits 1965-1972 Buick Gran Sport, GS, GS 350, GS 400, GS 455, and Skylark models. Crafted with precision using over 50 tons of pressure, it ensures perfect definition and detailing for a snug fit and clean appearance. This durable black rubber boot is designed to seal the area around the gear shift, keeping dirt, moisture, and debris out of your vehicle's interior while maintaining a sleek, factory-original look. Its flexible yet sturdy construction makes installation straightforward, providing a secure fit that enhances the overall aesthetic of your car's interior. Backed by Metro's Platinum 30-year warranty, this part offers long-lasting reliability and peace of mind.
Features and Benefits
Designed specifically for 2-door hardtop models, these molded roof rail seals are a perfect fit for 1966-1967 Buick Gran Sport, Skylark, Chevrolet Chevelle, Malibu, Oldsmobile 442, Cutlass, F85, Pontiac GTO, LeMans, and Tempest cars. Crafted by SUPERsoft, these seals are engineered to provide better sealing than competitor brands, ensuring your vehicle stays dry and protected from leaks. The pair includes both left and right seals, molded with precision to fit snugly along the roof rails, preventing water and air intrusion. Unlike other brands, Metro parts avoid using accelerants or cheap fillers, which can lead to premature aging and failure, guaranteeing long-lasting durability. Backed by a 30-year warranty, these seals offer peace of mind and confidence in their quality.
Features and Benefits
For 2-door hardtops and convertibles, this door seal pair with clips and molded ends is designed to replace OEM #4894905/6, ensuring a precise fit and reliable performance. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, providing a snug, weatherproof barrier to keep out wind, water, and noise. Unlike other seals, these are made without accelerants or cheap fillers, which means they resist aging and cracking over time. Perfectly tailored for 1964-1965 Buick Skylark, Special, and Gran Sport; Chevrolet Chevelle and Malibu; Oldsmobile Cutlass and F85; and Pontiac GTO, LeMans, and Tempest models, these seals will restore your classic car’s comfort and style. Backed by a 30-year warranty, you can trust SUPERsoft to deliver long-lasting quality.
Features and Benefits
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