1981 GMC K1500 Heater Cores

Heater Core, Stock Replacement, 5/8 in. Inlet, 3/4 in. Outlet, Aluminum, Chevy, GMC, Truck, SUV, Without A/C, Each

Part Number: RDR-9010080

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Estimated Ship Date: Today

Heater Core, Stock Replacement, 5/8 in. Inlet, 3/4 in. Outlet, Aluminum, Chevy, GMC, Truck, SUV, With A/C, Each

Part Number: RDR-9010079

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Estimated Ship Date: Today

Heater Cores,1973-87 Chevrolet/GMC Truck W/ AC - Copper/Brass Heater Core (7-1/8" X 7-1/2" X 2")

Part Number: OER-3027265

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Estimated Ship Date: Today

Heater Core, Aluminum, Natural, Chevy, GMC, Each

Part Number: RCG-18-11695

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Estimated Ship Date: Today

HVAC Heater Core, OSC Cooling Products 98552 New Heater Core

Part Number: OSC-98552

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Heater Core, Replacement, Aluminum, Natural, Chevrolet, GMC, Each

Part Number: UAC-HT9077C

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Estimated Ship Date: Mar 17, 2026 if ordered today

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• Special Order