Chevrolet K20 Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

Stop leaks, drafts, and road noise in your Chevrolet K20 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 K20—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.

Our Chevrolet K20 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 K20, 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 K20.

1973-1977 Chevrolet K20 Door Seal Kit - Upper Left and Right

OEM-replacement door seal kit - upper left and right for Chevrolet / GMC. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

Replaces GM: 14013791

$53.21
• SALE $36.95
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1973-1977 Chevrolet K20 Door Seal Kit - Upper Left and Right
1964-1966 Chevrolet K20 Driver & Passenger Side Glass Run Kit - Upper Driver side and Passenger side

OEM-replacement glass run kit - upper driver side and passenger side for Chevrolet / GMC. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

1973-1980 Chevrolet K20 Driver Side Vent Window Seal Kit - Vent Window Vertical & Front Run Driver side

OEM-replacement vent window seal kit - vent window vertical & front run driver side for Chevrolet / GMC. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

Replaces GM: 6271903, 6271905

$46.69
• SALE $32.95
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1973-1980 Chevrolet K20 Driver Side Vent Window Seal Kit - Vent Window Vertical & Front Run Driver side
1973-1980 Chevrolet K20 Passenger Side Vent Window Seal Kit - Vent Window Vertical & Front Run Passenger side

OEM-replacement vent window seal kit - vent window vertical & front run passenger side for Chevrolet / GMC. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

Replaces GM: 6271904, 6271906

$44.97
• SALE $31.95
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1973-1980 Chevrolet K20 Passenger Side Vent Window Seal Kit - Vent Window Vertical & Front Run Passenger side
1964-1966 Chevrolet K20 Driver & Passenger Side Glass Run Kit - Upper & Division Bar Driver side and Passenger side

OEM-replacement glass run kit - upper & division bar driver side and passenger side for Chevrolet / GMC. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

$44.35
• SALE $30.95
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1964-1966 Chevrolet K20 Driver & Passenger Side Glass Run Kit - Upper & Division Bar Driver side and Passenger side

(113 Total Products)