GMC 1968-1972 K25/K2500 Heater Core 1.5 ton only the heater core

only the heater core

1952 has a slight jog in the tube and a narrower tube center-to-center

Henry Ford was an avid birdwatcher and suggested it

This is a 40 amp relay kit

has unique angles to the tanks

GMC 1968-1972 K25/K2500 Heater Core 1.5 ton only the heater coreWho makes a copper heater core for the GMCs? We do. If you are searching for an obsolete, one off or hard to find copper and brass copper heater core you are not alone and you may be 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." Our build queue varies. Present Lead times. Made in the USA