Buick Gran Sport Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

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.

1965-1967 Buick Gran Sport Clutch Pedal Return Bumper.

This clutch pedal return bumper is designed for cars like the 1964-1967 Buick Electra, Chevrolet Impala, Oldsmobile Cutlass, and many more, with precise measurements of 1-13/16" long, 13/16" wide, and 7/8" high (center). Crafted for durability and strength, this part ensures long-lasting performance and is built to handle the demands of daily use. Its compact design fits seamlessly into place, making installation straightforward and hassle-free. Positioned to absorb impact and maintain proper pedal alignment, this bumper is essential for smooth clutch operation. Backed by Metro’s 30-year warranty, you can trust its quality and reliability for years to come.

Features and Benefits
  • Ensures proper clutch pedal alignment for smooth operation.
  • Made from durable materials for long-lasting performance.
  • Easy to install with a precise fit for listed vehicles.

$12.99
• SALE $10.95
Select Color/Material Options  
1965-1967 Buick Gran Sport Clutch Pedal Return Bumper.
1965-1967 Buick Gran Sport Glove Box and Fuel Door Bumper. Fits 3/16" Hole. Each.

This glove box and fuel door bumper is designed for classic cars, fitting a 3/16" hole, and is compatible with a wide range of vehicles, including the 1961-1967 Buick Electra, Cadillac DeVille, Chevrolet Impala, Oldsmobile 98, Pontiac Bonneville, and many more. Crafted by Metro Moulded Parts, this durable and long-lasting bumper is made to withstand wear and tear, ensuring reliable performance over time. Its compact design, as shown, features a rounded head and a tapered stem for easy installation, making it a perfect fit for restoring or maintaining your vehicle's original functionality. Whether you're working on a glove box or fuel door, this bumper provides a snug and secure fit, preventing rattling and ensuring smooth operation. Backed by Metro's 30-year Platinum Warranty, you can trust in its quality and longevity.

Features and Benefits
  • Fits a 3/16" hole for precise compatibility.
  • Durable material ensures long-lasting performance.
  • Easy installation saves time and effort.

$12.99
• SALE $10.95
Select Color/Material Options  
1965-1967 Buick Gran Sport Glove Box and Fuel Door Bumper. Fits 3/16" Hole. Each.
1965-1967 Buick Gran Sport Fuel Door Bumper. 7/8" High, 5/16" O.D. Each.

This fuel door bumper, measuring 7/8" high with a 5/16" outer diameter, is designed for cars such as the 1965-1972 Buick Electra, Cadillac DeVille, Chevrolet Impala, Oldsmobile Cutlass, Pontiac GTO, and many more classic models, ensuring a precise fit for your vintage vehicle. Crafted by Metro Moulded Parts, this durable and long-lasting bumper is built to withstand wear and tear, providing reliable cushioning and protection for your fuel door. Its sleek black finish complements the vehicle's design while maintaining functionality. Installation is straightforward, making it an easy replacement for worn or missing bumpers. Backed by Metro's 30-year warranty, this part guarantees peace of mind and long-term performance.

Features and Benefits
  • Protects the fuel door from damage with a secure cushion.
  • Easy to install for a hassle-free replacement.
  • Durable material ensures long-lasting performance.

$12.99
• SALE $10.95
Select Color/Material Options  
1965-1967 Buick Gran Sport Fuel Door Bumper. 7/8" High, 5/16" O.D. Each.
1965-1967 Buick Gran Sport License Plate Bumper. Fits a 1/4" Hole. Each.

This license plate bumper, designed for cars and trucks, fits a 1/4" hole and is compatible with a wide range of 1964-1969 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, including the 1964 Buick Electra, 1965 Chevrolet Impala, and 1968 Pontiac GTO. Crafted for durability and long-lasting performance, this bumper is made to withstand wear and tear while securely holding your license plate in place. Its compact, rounded design ensures a snug fit, and the high-quality material resists cracking or breaking over time. Installation is straightforward—simply insert it into the designated hole for a secure and reliable fit. Backed by Metro Moulded Parts' Platinum Warranty, this bumper offers peace of mind with 30 years of coverage.

Features and Benefits
  • Fits a 1/4" hole for easy compatibility.
  • Durable construction ensures long-lasting use.
  • Simple installation saves time and effort.

$12.99
• SALE $10.95
Select Color/Material Options  
1965-1967 Buick Gran Sport License Plate Bumper. Fits a 1/4" Hole. Each.
1966-1967 Buick Gran Sport Sold By The Foot - Convertible Top Windshield Header Weatherstrip Seal.

This item is sold by the foot. This convertible top windshield header seal, designed for classic cars, measures with clips installed every 3-5/8" for a secure fit. Crafted from soft, black, skin-covered sponge, it ensures a snug seal to keep out wind and water, enhancing the comfort and protection of your vehicle's interior. Made with high-quality EPDM extrusion, this seal offers excellent rebound memory, maintaining its shape and effectiveness over time. This part fits a wide range of 1964-1970 models, including Buick Electra, Chevrolet Impala, Oldsmobile Cutlass, and more, making it a versatile choice for restoring your classic car. Backed by Metro's 30-year warranty, you can trust in its durability and performance for years to come.

Features and Benefits
  • Provides a tight seal to block wind and water.
  • Made from durable, high-quality EPDM material.
  • Customizable length for a perfect fit.

$13.99
• SALE $11.95
Select Color/Material Options  
1966-1967 Buick Gran Sport Sold By The Foot - Convertible Top Windshield Header Weatherstrip Seal.

(40 Total Products)