GMC 1982-1994 Gen I Heater Core No AC 1938 formed from a condensation reaction

formed from a condensation reaction of phenol with formaldehyde

The primary difference in 1951 and 1952 is the flapper door

wiring harness

dealers and customers of overheating and there was a corresponding increase in the number of accessory water pumps sold to combat the overheating

The lower priced heater was the "Recirculating" heater used the in-cabin air and had the round donut style core

GMC 1982-1994 Gen I Heater Core No AC 1938 formed from a condensation reactionIf you are searching for a copper and brass heater core for your 1982 1994 Gen I GMC, Chevy and Olds heater core for vehicles without AC then you are in luck. We make our own cores and fabricate our own tanks so, naturally, we get asked to build custom heater cores or "small radiators." Each heater core is made to order, please allow adequate time for us to fabricate. Make Model Year CHEVROLET S10 BLAZER 1983 1994 CHEVROLET S10 PICKUP 1982 1994 GMC