Chevy Car 1947-1954 Chevy Truck 1949-1957 Harrison Heater Core

For a number of years Harrison produced a donut shaped Recirculating Heater Core.  The lower priced Harrison Recirculating Heater Core generated less heat, used the in-cabin air and had the round core. Its most commonly found in southern mild climate cars and is a tricky little unit to make.  If you are a purist, you will probably want your round Harrison cellular heater core restored.  The trouble is, the replacement cell cores without tanks costs ~ $340 and they are rated for 4psi. 1947-1954 Chevy Cars 1947-1954, 1956-1957 Chevy Truck 1947-1954, 1956-1957 GMC Truck 1955 First Series Chevy Truck 1955 First Series GMC Truck 1955 Second Series Chevy Truck 1955 Second Series GMC Truck Because most people just want their window clear of fog, their feet warm and their wife happy, we scrapped that idea and re-designed the heater core unit.  The tube and fin core design can handle the system pressure and has a 5.2" 12V SPAL fan with 313CFM.  We kept it all hidden inside the sam