Four Seasons 90551 Aluminum Heater Core For Select 71-77 Chevrolet GMC Models

Four Seasons 90551 HVAC Heater Core. HVAC Heater Core. Fits what vehicles: 1971-1974 Chevrolet G10 Van, 1971-1974 Chevrolet G20 Van, 1971-1974 Chevrolet G30 Van, 1971-1974 GMC G15/G1500 Van, 1971-1974 GMC G25/G2500 Van, 1971-1974 GMC G35/G3500 Van, 1975-1977 Chevrolet G10, 1975-1977 Chevrolet G20, 1975-1977 Chevrolet G30, 1975-1977 GMC G15, 1975-1977 GMC G25, 1975-1977 GMC G35.