Chevrolet Biscayne Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

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

Our Chevrolet Biscayne 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 Chevrolet Biscayne, 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 Chevrolet Biscayne.

1958 Chevy Biscayne Hole Plug and Cowl Bumper. Fits 1/2" Hole. Each.

This hole plug and cowl bumper is designed for classic cars, fitting a 1/2" hole, and is perfect for 1949-1958 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, including iconic vehicles like the 1953 Cadillac Eldorado and 1957 Chevrolet Bel Air. Made with state-of-the-art rubber compounds, it resists chemicals, sunlight, and ozone, ensuring long-lasting durability and performance. Its sleek black finish blends seamlessly with your vehicle's design, offering a clean and professional look while effectively sealing and protecting exposed holes. Backed by Metro Moulded Parts' 30-year warranty, this part guarantees peace of mind and reliability for decades to come.

Features and Benefits
  • Fits snugly into 1/2" holes for a secure seal.
  • Protects against chemical, sunlight, and ozone damage.
  • Enhances the appearance of your classic car with a clean finish.

1964-1967 Chevy Biscayne Rocker Arm Cover. Neoprene Plug. Fits 1" Hole. Each.

This rocker arm cover plug is designed for 1964-1967 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac cars, as well as 1964-1967 Chevrolet El Camino trucks, fitting a 1" hole with precision. Crafted from state-of-the-art rubber compounds, this plug is resistant to chemicals, sunlight, and ozone, ensuring long-lasting durability and performance. Its sleek black finish and snug fit make it an essential component for sealing and protecting your engine's rocker arm cover, preventing leaks and keeping contaminants out. Backed by Metro's Platinum 30-year warranty, you can trust this part to perform reliably for decades.

Features and Benefits
  • Fits a 1" hole for a secure and precise installation.
  • Made with advanced rubber compounds for durability.
  • Resistant to chemicals, sunlight, and ozone for long-lasting use.

1958-1960 Chevy Biscayne 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.

1961-1964 Chevy Biscayne Wiring Harness Hole Grommet.

This wiring harness hole grommet is designed for Chevrolet 'A' body models from 1964-1965 and Chevrolet 'B' body models from 1961-1964, replacing OEM #3846541. Crafted with precision using over 50 tons of pressure, it ensures a perfect fit and detailed finish. This grommet is essential for protecting wiring as it passes through the body, preventing wear and tear while maintaining a clean and secure installation. Its durable material resists cracking and deterioration, making it a reliable choice for classic car restoration. Compatible with 1961-1964 Chevrolet Bel Air, Biscayne, and Impala cars, as well as 1964-1965 Chevrolet Chevelle and El Camino models, this part is a must-have for maintaining the integrity of your vehicle's wiring system. Backed by Metro’s 30-year Platinum Warranty, this grommet offers long-lasting peace of mind.

Features and Benefits
  • Protects wiring from wear and damage.
  • Ensures a secure and clean installation.
  • Made with durable, crack-resistant material.

$12.99
• SALE $10.95
Select Color/Material Options  
1961-1964 Chevy Biscayne Wiring Harness Hole Grommet.
1964-1967 Chevy Biscayne Positive Crankcase Ventilation Grommet.

This Positive Crankcase Ventilation (PCV) grommet is designed for cars and trucks, measuring 11/16" wide by 1-5/8" long with a 15/16" inner diameter, ensuring a precise fit for your vehicle. Crafted by Metro Moulded Parts, this grommet is built with over 50 tons of pressure, delivering exceptional definition and durability. It is compatible with a wide range of 1964-1967 models, including Buick Electra, Chevrolet Impala, Pontiac GTO, and Cadillac Fleetwood, among others. This grommet is essential for maintaining proper ventilation in your engine, preventing harmful gases from escaping while ensuring smooth operation. Backed by Metro's 30-year warranty, this part offers long-lasting reliability and peace of mind.

Features and Benefits
  • Ensures proper engine ventilation for optimal performance.
  • Built with high-pressure molding for durability and precision.
  • Fits a wide range of classic 1964-1967 vehicles.

$12.99
• SALE $10.95
Select Color/Material Options  
1964-1967 Chevy Biscayne Positive Crankcase Ventilation Grommet.

(101 Total Products)