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.

1961-1963 Chevy C20 Molded Door Weatherstrip Seals. Includes Auxiliary Top Door Weatherstrip Seals.

For 1960-1963 Chevrolet Trucks, including C10, C20, C30, K10, and K20 Pickup models, these molded door seals are designed to provide a precise fit and long-lasting durability. This pair of left and right seals includes auxiliary top door seals, ensuring a complete seal around your truck’s doors. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, offering a snug fit that prevents water, dust, and wind from entering your vehicle. Unlike other products, these seals are made without accelerants or cheap fillers, which means they resist aging and cracking over time. Backed by a 30-year warranty, you can trust that these seals will perform for decades.

Features and Benefits
  • Provides a tight seal to keep out water, dust, and wind.
  • Made from high-quality materials that resist aging and cracking.
  • Includes auxiliary top door seals for complete coverage.

$86.99
• SALE $69.95
Select Color/Material Options  
1961-1963 Chevy C20 Molded Door Weatherstrip Seals. Includes Auxiliary Top Door Weatherstrip Seals.
1973-1980 Chevy C20 Glass Run Window Channel. Each.

For 1973-1980 Chevrolet C10, C20, C30, K10, K20, and K30 pickup trucks, this glass run window channel is a solution designed to ensure a snug and accurate seal for your windows. Crafted by Metro Moulded Parts, this set features precise seal profiles that fit seamlessly into your truck’s window frame, reducing drafts and preventing water intrusion. The durable material ensures long-lasting performance, while the sleek black finish complements the truck’s classic design. This part is essential for maintaining a quiet and comfortable cabin, as it minimizes wind noise and keeps the elements out. Backed by a 90-day warranty, this set offers peace of mind with its reliable performance and easy installation.

Features and Benefits
  • Provides a tight seal to keep out water and wind.
  • Reduces noise for a quieter ride.
  • Durable construction ensures long-lasting use.
  • Designed for a precise fit on 1973-1980 Chevrolet pickup trucks.

1960-1966 Chevy C20 Rear Window Weatherstrip Seal, 55-66 GM Full Size Truck W/ Chrome Lockstrip.

For GM full-size trucks from 1955 to 1966, this rear window seal is designed specifically for second-series models with large windows. Made from durable EPDM polymer, it ensures a snug, accurate fit to reduce drafts and road noise while keeping the elements out. The set includes a chrome lockstrip for added style and secure installation. This seal is crafted to match the original profile, providing a clean and professional look once installed. Compatible with a wide range of Chevrolet and GMC trucks from 1955 to 1966, including C10, C20, C30, K10, K20, and various GMC series models, this part is a reliable choice for restoring or maintaining your classic truck. Backed by a 90-day hassle-free warranty, it’s a dependable solution for keeping your truck comfortable and weatherproof.

Features and Benefits
  • Reduces drafts and road noise for a quieter ride.
  • Made from durable EPDM polymer for long-lasting performance.
  • Includes a chrome lockstrip for secure and stylish installation.
  • Designed for a precise fit to maintain your truck’s classic look.

$95.99
• SALE $76.95
Select Color/Material Options  
1960-1966 Chevy C20 Rear Window Weatherstrip Seal, 55-66 GM Full Size Truck W/ Chrome Lockstrip.
1964-1966 Chevy C20 Molded Door Weatherstrip Seals. 163-1/2" Long Each. Pair R&L.

For 1964-1966 Chevrolet and GMC Pickup Trucks, these molded door seals are 163-1/2" long each and come as a pair for both the right and left sides. Designed to fit models like the Chevrolet C10, C20, C30, K10, K20, and GMC 1000, 1500, and 2500 series, these seals ensure a snug, weatherproof fit to keep out wind, rain, and road noise. Made by SUPERsoft, these seals are 30% softer and more durable than other brands, offering a long-lasting solution that won’t crack or wear prematurely. Unlike cheaper alternatives, they are crafted without accelerants or fillers, ensuring they maintain their shape and performance over time. Backed by a 30-year warranty, these seals provide peace of mind and reliable protection for your classic truck.

Features and Benefits
  • Keeps your truck's interior dry and quiet by sealing out water and noise.
  • Made from premium materials that resist aging and cracking.
  • Easy to install for a precise fit on both doors.

$96.49
• SALE $76.95
Select Color/Material Options  
1964-1966 Chevy C20 Molded Door Weatherstrip Seals. 163-1/2" Long Each. Pair R&L.
1967-1972 Chevy C20 Molded Door Weatherstrip Seals with Mitered Corners. 166-1/2" Long.

For 1967-1972 Chevrolet and GMC Pickup Trucks, these molded door seals with mitered corners are 166-1/2" long each and come as a pair for both the driver and passenger sides. Designed to fit models like the Chevrolet C10, C20, C30, K10, K20, K30, and GMC C15/C1500 through K35/K3500, these seals ensure a snug, weatherproof fit to keep out wind, rain, and road noise. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, offering a long-lasting, tight seal without the use of cheap fillers or accelerants that can cause premature aging. The seals are easy to install, molding perfectly to the door frame for a seamless look and reliable performance. Backed by a 30-year warranty, these seals provide peace of mind and exceptional value for your classic truck restoration.

Features and Benefits
  • Keeps out wind, rain, and road noise for a quieter ride.
  • Made with 30% softer material for a better fit and durability.
  • Easy installation with molded mitered corners for a precise fit.

$96.49
• SALE $76.95
Select Color/Material Options  
1967-1972 Chevy C20 Molded Door Weatherstrip Seals with Mitered Corners. 166-1/2" Long.

(115 Total Products)