Pontiac Chieftain Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

Stop leaks, drafts, and road noise in your Pontiac Chieftain 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 Chieftain—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.

Our Pontiac Chieftain 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 Chieftain, 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 Chieftain.

1950-1958 Pontiac Chieftain Fuel Door Bumper. Held by Screw. 1/2" X 1/2" X 1/4".

Designed for classic cars like the 1950-1959 Cadillac, Chevrolet, Pontiac, Buick, and Oldsmobile models, this fuel door bumper measures 1/2" x 1/2" x 1/4" and is sold as a pair. Crafted for durability and strength, these bumpers are built to last and ensure your fuel door stays securely in place while protecting it from damage. Each bumper is held in place by a screw, making installation straightforward and hassle-free. The sleek black finish complements the timeless style of your vintage car, enhancing its overall appearance. Backed by Metro’s Platinum 30-year warranty, you can trust in the quality and longevity of this part, giving you peace of mind for decades to come.

Features and Benefits
  • Protects the fuel door from wear and tear.
  • Easy screw-in installation for convenience.
  • Durable material ensures long-lasting performance.
  • Enhances the look and functionality of your classic car.

$12.99
• SALE $10.95
Select Color/Material Options  
1950-1958 Pontiac Chieftain Fuel Door Bumper. Held by Screw. 1/2" X 1/2" X 1/4".
1949-1950 Pontiac Chieftain Front Door Window Adjustment Bumper Cushion.

This front door window adjustment bumper cushion, measuring 11/16" x 1/4", is designed for classic cars like the 1937 Oldsmobile F-37, 1937 Pontiac Deluxe Model 6CA, and many others up to 1960, ensuring a precise fit for a wide range of vintage models. Crafted for use with "T" bolts in the door, this durable and long-lasting cushion provides essential support and stability for your window mechanism, helping to maintain smooth operation and prevent wear over time. Its compact, sturdy design makes installation straightforward, with four to six required per car depending on the model. Made by Metro Moulded Parts, this bumper cushion is built to withstand the test of time, backed by a 30-year warranty for added peace of mind.

Features and Benefits
  • Provides stable support for window adjustment.
  • Durable material ensures long-lasting performance.
  • Easy to install with "T" bolt compatibility.

$12.99
• SALE $10.95
Select Color/Material Options  
1949-1950 Pontiac Chieftain Front Door Window Adjustment Bumper Cushion.
1949-1958 Pontiac Chieftain Wire Harness Grommet. Each.

This wire harness grommet is designed for classic cars, including 1937-1957 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, ensuring a precise fit for your restoration project. Made with state-of-the-art rubber compounds, it resists chemicals, sunlight, and ozone, providing long-lasting durability and protection. The grommet features a sleek black finish and a sturdy design, ensuring it seals and protects wiring as it passes through panels, preventing wear and damage. Its compact size makes installation straightforward, fitting snugly into the designated openings for a clean and professional look. Backed by Metro Moulded Parts' 30-year warranty, this grommet offers peace of mind for decades to come.

Features and Benefits
  • Protects wiring from wear and damage.
  • Resists chemicals, sunlight, and ozone for durability.
  • Easy to install for a secure fit.

$13.49
• SALE $10.95
Select Color/Material Options  
1949-1958 Pontiac Chieftain Wire Harness Grommet. Each.
1953-1955 Pontiac Chieftain Trunk Wire Harness Grommet. Two Used Per Car.

For classic car enthusiasts, this trunk wire harness grommet is designed for 1953-1955 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac cars, fitting a 7/8" hole with a flexible 3/16" center hole. Crafted from state-of-the-art rubber compounds, it resists chemicals, sunlight, and ozone, ensuring long-lasting durability and protection for your wiring. This grommet is essential for securing and protecting your trunk's wire harness, preventing wear and tear while maintaining a clean and professional look. Two are used per car, making it a perfect fit for restoring your vehicle to its original condition. Backed by Metro's 30-year warranty, you can trust this part to perform for decades.

Features and Benefits
  • Protects wiring from damage and wear.
  • Fits snugly into a 7/8" hole with a 3/16" center.
  • Resistant to chemicals, sunlight, and ozone.

$13.49
• SALE $10.95
Select Color/Material Options  
1953-1955 Pontiac Chieftain Trunk Wire Harness Grommet. Two Used Per Car.
1954-1957 Pontiac Chieftain Heater Control Valve Gasket. Made of Closed Cell Sponge.

This heater control valve gasket is designed for classic cars, including the 1954-1957 Buick Century, Roadmaster, Special, and Super; Cadillac DeVille, Eldorado, Series 60 Fleetwood, Series 62, and Series 75 Fleetwood; Oldsmobile 88, 98, Starfire, Fiesta, and Super 88; and Pontiac Catalina, Chieftain, Star Chief, Bonneville, and Super Chief. Crafted from durable closed-cell sponge rubber, this gasket is resistant to chemicals, sunlight, and ozone, ensuring long-lasting performance. Its precise design fits snugly to prevent leaks and maintain proper heating system function. Made with advanced rubber compounds, it provides excellent sealing and durability. Backed by a 90-day warranty, this gasket is a reliable choice for restoring your classic car's heating system.

Features and Benefits
  • Made from closed-cell sponge rubber for a secure seal.
  • Resistant to chemicals, sunlight, and ozone for durability.
  • Designed to fit perfectly for leak prevention.
  • Enhances heating system performance in classic cars.

$15.49
• SALE $12.95
Select Color/Material Options  
1954-1957 Pontiac Chieftain Heater Control Valve Gasket. Made of Closed Cell Sponge.

(71 Total Products)