Availability
1990 GMC Heater Cores
Showing In Stock Items. Show All 34 Items.
Heater Core, Copper/Brass, Replacement, Chevy, GMC, SUV, Pickup, With Air Conditioning, Each
Part Number: SUM-382177
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, Aluminum, Natural, Chevy, Cadillac, GMC, Each
Part Number: RCG-18-11691
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, With A/C, Each
Part Number: RDR-9010079
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Heater Core, Aluminum, Natural, Chevy, GMC, Each
Part Number: RCG-18-11693
Estimated Ship Date: Today
Estimated Ship Date: Today
Heater Core, Aluminum, Natural, Chevy, GMC, Each
Part Number: RCG-18-11695
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Heater Cores, Aluminum, Natural, 0.625 in. Inlet, 0.750 in. Outlet, Chevrolet, GMC, Oldsmobile, Each
Part Number: RDR-9010170
Estimated Ship Date: Today
Estimated Ship Date: Today
Heater Core, Aluminum, Natural, Stock Inlet/Outlet Size, Chevrolet, GMC, Each
Part Number: FSS-90483
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Heater Core, Aluminum, Chevy, GMC, Each
Part Number: SGT-94552
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Heater Core, Replacement, Aluminum, Natural, Chevrolet, GMC, Each
Part Number: UAC-HT9077C
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Heater Core, Replacement, Chevrolet, GMC, Each
Part Number: OSC-98552
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
HVAC Heater Core, OSC Cooling Products 98616 New Heater Core
Part Number: OSC-98616
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Heater Core, Replacement, for Nissan, Chevrolet, GMC, Each
Part Number: OSC-98489
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Chevrolet, Each
Part Number: FSS-98616
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Heater Core, Replacement, Aluminum, Natural, Chevrolet, GMC, Each
Part Number: FSS-90611
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Heater Core
Part Number: RCG-18-11815
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Heater Core, Replacement, Chevrolet, GMC, Each
Part Number: OSC-98617
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
HVAC Heater Core, OSC Cooling Products 98484 New Heater Core
Part Number: OSC-98484
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Aluminum Heater Core
Part Number: FSS-98618
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Heater Core, Replacement, Aluminum, Natural, Chevrolet, GMC, Each
Part Number: UAC-HT8221C
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Heater Core
Part Number: RCG-18-11834
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Heater Core
Part Number: RCG-18-11356
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Heater Core, Aluminum, Cadillac, Chevy, GMC, Each
Part Number: SGT-94483
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Heater Core, Aluminum, Chevy, GMC, Each
Part Number: SGT-94484
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Heater Core, Aluminum, Natural, Chevy, GMC, Each
Part Number: SGT-94611
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
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