Availability
1981 GMC Heater Cores
Showing In Stock Items. Show All 24 Items.
Heater Core, Copper/Brass, Natural, Chevrolet, GMC, Each
Part Number: OER-3027265
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Heater Core, Stock Replacement, 3/4 in. Inlet, 5/8 in. Outlet, Aluminum, Buick, Chevy, Oldsmobile, Pontiac, With A/C, Each
Part Number: RDR-9010089
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Heater Core, 0.63 in./0.75 in. In/Out, 6.50 in. L x 7.56 in. W x 1.26 in. T Core, Aluminum, Natural, for Models without Factory Air, Chevy, GMC, Each
Part Number: RCG-18-11695
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Heater Core, Aluminum, Chevy, GMC, Each
Part Number: SGT-94552
Estimated Ship Date: Jan 4, 2027 if ordered today
Estimated Ship Date: Jan 4, 2027 if ordered today
Heater Core, 0.63 in./0.75 in. In/Out, 6.61 in. L x 7.26 in. W x 1.26 in. T Core, Aluminum, Natural, for Models with Factory Air, Chevy, GMC, Each
Part Number: RCG-18-11693
Estimated Ship Date: Today
Estimated Ship Date: Today
Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Each
Part Number: FSS-98506
Estimated Ship Date: Nov 20, 2026 if ordered today
Estimated Ship Date: Nov 20, 2026 if ordered today
Heater Core, Replacement, Aluminum, Natural, Chevrolet, GMC, Each
Part Number: UAC-HT9077C
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Heater Core, Aluminum, Chevy, GMC, Each
Part Number: SGT-94616
Not Yet Reviewed
Estimated Ship Date: Jan 4, 2027 if ordered today
Estimated Ship Date: Jan 4, 2027 if ordered today
HVAC Heater Core
Part Number: UAC-HT399090C
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Aluminum Heater Core
Part Number: FSS-98618
Not Yet Reviewed
Estimated Ship Date: Nov 20, 2026 if ordered today
Estimated Ship Date: Nov 20, 2026 if ordered today
HVAC Heater Core
Part Number: UAC-HT399088C
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Heater Core, Aluminum, Natural, Chevy, GMC, Each
Part Number: SGT-94611
Not Yet Reviewed
Estimated Ship Date: Jan 4, 2027 if ordered today
Estimated Ship Date: Jan 4, 2027 if ordered today
Heater Core, Aluminum, Chevy, GMC, Each
Part Number: SGT-94617
Not Yet Reviewed
Estimated Ship Date: Jan 4, 2027 if ordered today
Estimated Ship Date: Jan 4, 2027 if ordered today
Heater Core
Part Number: RCG-18-12119
Not Yet Reviewed
Estimated Ship Date: Dec 17, 2026 if ordered today
Estimated Ship Date: Dec 17, 2026 if ordered today
Heater Core, Replacement, Stock Inlet/Outlet Size, Copper/Brass, Natural, Chevrolet, GMC, Each
Part Number: FSS-91721
Not Yet Reviewed
Estimated Ship Date: Nov 20, 2026 if ordered today
Estimated Ship Date: Nov 20, 2026 if ordered today
Heater Core, Replacement, Aluminum, Natural, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each
Part Number: TYC-96025
Not Yet Reviewed
Estimated Ship Date: Nov 30, 2026 if ordered today
Estimated Ship Date: Nov 30, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster