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

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

Our Pontiac Streamliner 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 Streamliner, 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 Streamliner.

1946-1948 Pontiac Streamliner Special Purpose Grommet.

This special-purpose grommet is designed for classic car models, including the 1937-1948 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac cars, ensuring a precise fit for headlight wire looms passing through the body. Made from state-of-the-art rubber compounds, it offers exceptional resistance to chemicals, sunlight, and ozone, ensuring long-lasting durability. Its sleek black finish and sturdy construction provide a clean, professional look while effectively sealing and protecting the wire loom from wear and environmental damage. Backed by Metro Moulded Parts' Platinum 30-year warranty, this grommet guarantees peace of mind and reliable performance for decades.

Features and Benefits
  • Protects headlight wire looms from wear and damage.
  • Resistant to chemicals, sunlight, and ozone for long-lasting use.
  • Ensures a clean and professional installation.

1946-1952 Pontiac Streamliner Firewall and Utility Grommet. Fits 3/4" Hole. 3/16" I.D.

This firewall and utility grommet, designed for classic cars, fits a 3/4" hole with a 3/16" inner diameter, making it a perfect fit for vehicles like the 1940-1957 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models listed. Crafted from state-of-the-art rubber compounds, it is resistant to chemicals, sunlight, and ozone, ensuring long-lasting durability and performance. The grommet features a sleek black finish and a sturdy design that seals and protects wiring or hoses passing through the firewall, preventing wear and tear. Backed by Metro Moulded Parts' 30-year warranty, this grommet offers peace of mind and reliability for your restoration project.

Features and Benefits
  • Fits securely in a 3/4" hole with a 3/16" inner diameter.
  • Protects wiring and hoses from damage and wear.
  • Resistant to chemicals, sunlight, and ozone for long-lasting use.

1946 Pontiac Streamliner Door Bumper. 1" Diameter X 1/4" Thick Each.

This door bumper, designed for classic cars and trucks, measures 1" in diameter and 1/4" thick, making it a perfect fit for a wide range of vintage vehicles, including the 1930-1942 Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, Chrysler, DeSoto, Dodge, and Plymouth models, as well as 1946-1942 vehicles like the Chevrolet Fleetline and Cadillac Series 60 Special Fleetwood. Crafted by Metro Moulded Parts, this durable and long-lasting bumper is built to withstand wear and tear, ensuring your doors close smoothly and securely. Its compact, round design with a central hole allows for easy installation, providing a snug fit that protects your vehicle's body from damage caused by door movement. Backed by Metro's 30-year Platinum Warranty, this part guarantees peace of mind for decades to come.

Features and Benefits
  • Protects your vehicle's body from door impact.
  • Easy to install with a snug, secure fit.
  • Durable material ensures long-lasting performance.

$12.99
• SALE $10.95
Select Color/Material Options  
1946 Pontiac Streamliner Door Bumper. 1" Diameter X 1/4" Thick Each.
1950-1952 Pontiac Streamliner 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  
1950-1952 Pontiac Streamliner Fuel Door Bumper. Held by Screw. 1/2" X 1/2" X 1/4".
1946-1950 Pontiac Streamliner 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  
1946-1950 Pontiac Streamliner Front Door Window Adjustment Bumper Cushion.

(55 Total Products)