Chevrolet K20 Radiators and Coolers
This page brings together radiators and coolers for the Chevrolet K20 spanning model years 1961–1986, including radiators, automatic transmission oil coolers, radiator caps, engine oil cooler mounting kits, and related hardware. The range covers OE replacement and heavy-duty styles across a broad span of model years. Pick your Chevrolet K20's year above to narrow the list to radiators and coolers with confirmed fitment. Every part shown is checked against our vehicle data.
Hayden Automotive 679 Rapid-Cool Plate and Fin Transmission Cooler
Derale Performance 13960 Hyper-Cool Transmission Cooler Kit -6AN with 500 CFM Electric Fan
Hayden Automotive 677 Rapid-Cool Plate and Fin Transmission Oil Cooler Kit
Hayden Automotive 678 Rapid-Cool Transmission Oil Cooler 11" x 9.5" x 0.75"
Derale Performance 13614 Series 9000 17-Row Plate and Fin Transmission Cooler Kit
Derale Performance 15602 10-Row Stack Plate Engine Oil Cooler Kit with Thermostatic Sandwich Adapter
Mishimoto MMRAD-CAM-70 Aluminum Performance Radiator 1970-1981 Chevy Camaro
What's here for your Chevrolet K20
- Automatic Transmission Oil Coolers
- Radiators — OE replacement, performance, and heavy-duty options
- Radiator Caps
- Radiator Insulators and Mount Bushings
- Engine Oil Cooler Mounting Kits
- Radiator Drain Petcocks
The widest selection here comes from Hayden Automotive, Dorman, Four Seasons, and Spectra, offering kit configurations, universal-fit parts, and gasket-inclusive assemblies across the category. Other categories Chevrolet K20 owners shop for: Chevrolet K20 Body Frame Parts, Chevrolet K20 Springs and Suspension Parts and Chevrolet K20 Steering Gear and Parts, or browse all Chevrolet K20 parts and accessories.