Applicable vehicle: 1998-2005 for Chevrolet Blazer 1998-2004 for Chevrolet S10 1998-2001 for GMC Jimmy 1998-2004 for GMC Sonoma 1998-2000 for Isuzu Hombre 1998-2001 for Oldsmobile Bravada heater cores. OE: 6279020. 100% leak detection: All the hvac heater cores we sell are 100% leak tested, with good tightness and strict quality assurance. Original design: Designed according to the vehicles original auto hvac heater core casing to ensure accurate installation. NOTICE: Driving with a faulty heater core can be risky, as it can lead to overheating and extensive engine damage. Even a clogged heater core can prevent proper coolant circulation, causing your engine to run hot..
