Posted 10/16/2017 21:59 (#6312181) Subject: Coolant overflow tank for 1970s - early 80s Chevy -GMC trucks....
South Central Kansas
Cant seem to find a plastic coolant overflow tank for a Chevy - GMC medium duty truck of that age. They all used the same plastic overflow tank for several years, I have 5 trucks and they all have the same tank.
Measurement is 4' diameter by about 22 inch length. These tanks all are attached right above the radiator in every application I have seen.