1973-91 GM truck and SUV heater core
{"Image Copyright": "Copyright 1A Auto Parts", "Image ImageDescription": "73-91 GM Truck Heater Core without AC. Fits 1973-91 Chevy Blazer Full Size, 1973-91 GMC Jimmy Full Size, 1973-86 Chevy C10 Truck, 1973-86 Chevy C20 Truck, 1973-86 Chevy C30 Truck, 1973-86 Chevy K10 Truck, 1973-86 Chevy K20 Truck, 1973-86 Chevy K30 Truck, 1987 Chevy R1500 Truck, 1987-89 Chevy R2500"}