Chevrolet C20 Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

Stop leaks, drafts, and road noise in your Chevrolet C20 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 C20—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.

Our Chevrolet C20 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 C20, 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 C20.

1967-1972 Chevy C20 Heater Box to Firewall Gasket. 6-3/4" O.D., 4-3/4" I.D.

Designed for 1967-1972 Chevrolet and GMC Pickup Trucks, this heater box-to-firewall gasket ensures a precise fit with its 6-3/4" outer diameter and 4-3/4" inner diameter. Crafted by Metro Moulded Parts, this gasket is made using over 50 tons of pressure, delivering exceptional definition and detail for a snug and reliable seal. It is specifically engineered to prevent air and moisture leaks where the heater box meets the firewall, enhancing the efficiency of your vehicle's heating system. This gasket fits a wide range of models, including Chevrolet C10, C20, C30, K10, K20, and K30 trucks, as well as GMC C15/C1500, C25/C2500, C35/C3500, K15/K1500, K25/K2500, and K35/K3500 trucks from 1967 to 1972. Backed by Metro's 30-year warranty, this part offers long-lasting performance and peace of mind.

Features and Benefits
  • Provides a tight seal to prevent air and moisture leaks.
  • Enhances heating system efficiency by maintaining proper airflow.
  • Built with high-pressure molding for exact fit and durability.

$36.99
• SALE $29.95
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1967-1972 Chevy C20 Heater Box to Firewall Gasket. 6-3/4" O.D., 4-3/4" I.D.
1961-1970 Chevy C20 Clutch and Brake Pedal Pads. Perfect.

For classic Chevrolet and GMC trucks and cars from 1955 to 1970, these clutch and brake pedal pads are a perfect fit, measuring 2-5/8" wide by 3-3/4" long. Designed to match the original look, they feature detailed grooves and curves that ensure a secure fit and easy installation. Crafted to restore the authentic appearance of your vehicle's interior, these pads are made to slip on effortlessly, providing a clean and polished finish to your pedals. They are compatible with a wide range of models, including Chevrolet Trucks, GMC 101, 102-8, 250, and various C/K series pickups, ensuring a precise fit for your restoration project. Backed by Metro Moulded Parts' 30-year warranty, these pedal pads offer long-lasting durability and peace of mind, making them a reliable choice for your classic vehicle.

Features and Benefits
  • Restores the original look of your vehicle's pedals.
  • Easy to install with a secure slip-on design.
  • Durable construction ensures long-lasting use.

$39.49
• SALE $31.95
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1961-1970 Chevy C20 Clutch and Brake Pedal Pads. Perfect.
1961-1971 Chevy C20 Clutch and Brake Pedal Pads. Good Reproduction.

For Chevrolet pickup trucks from 1960 to 1971, these clutch and brake pedal pads are a great fit, measuring 3-3/4" wide by 2-5/8" long. Designed to match the original look, they feature precise curves and details, ensuring they slip on easily and stay securely in place. The textured surface provides excellent grip, enhancing safety and comfort while driving. These pads are crafted to restore the authentic appearance of your truck's interior, making them an ideal choice for restoration projects or replacements. Backed by Metro's Platinum Warranty, you can trust their durability for 30 years.

Features and Benefits
  • Designed to fit securely and install easily.
  • Textured surface improves grip and safety.
  • Matches the original look for a seamless restoration.

$41.49
• SALE $33.95
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1961-1971 Chevy C20 Clutch and Brake Pedal Pads. Good Reproduction.
1960-1972 Chevy C20 Glass-Run Channel 36".

Glass Run Channel – 1960–1972 Chevy & GMC Truck Restore the proper seal and quiet ride your classic truck was built to have. This premium glass run channel presses directly into the vertical division bar channel and is designed as a single 36-inch piece that will fit either the driver-side or passenger-side door. Manufactured to precise OEM specifications, it installs just like the original for a clean, factory-authentic appearance. Replacing old, cracked, or dried-out weatherstrip helps keep out wind, water, and road noise.

Features and Benefits
  • Durable, high-quality material resists cracking, shrinking, and wear
  • Made to OEM specifications for a perfect, factory-style fit
  • Provides a secure and quiet fit for windows.

$47.49
• SALE $37.95
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1960-1972 Chevy C20 Glass-Run Channel 36".
1973-1980 Chevy C20 Brake Master Cylinder Cover Weatherstrip Seal. Fits 71-83 GM's.

This brake master cylinder cover seal is designed for 1971-1983 GM vehicles, ensuring a precise fit and reliable performance. Crafted from durable, high-quality rubber, this seal is engineered to prevent leaks and maintain a secure seal for your brake master cylinder, protecting it from dust, moisture, and debris. Its oval shape with dual recessed grooves is tailored to fit snugly into place, making installation straightforward and hassle-free. This part is essential for maintaining the integrity of your braking system, ensuring consistent and safe operation. Backed by a 90-day warranty, you can trust in its quality and performance.

Features and Benefits
  • Prevents leaks and protects the brake master cylinder.
  • Made from durable, high-quality rubber for long-lasting use.
  • Easy to install with a precise fit for 1971-1983 GM vehicles.

$48.99
• SALE $39.95
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1973-1980 Chevy C20 Brake Master Cylinder Cover Weatherstrip Seal. Fits 71-83 GM's.

(115 Total Products)