1991 Chevy W-Series Heater Cores
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- Four Seasons®HVAC Heater CoreChevy W4500 Tiltmaster / W5500 Tiltmaster / W6500... 1991, HVAC Heater Core by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once...OE style molded connectorsPrecision engineered$76.16
- gpd®HVAC Heater CoreChevy W-Series 5.8L / 6.5L / 8.4L 1991, HVAC Heater Core by gpd®. Heater cores transfer heat from the engine's cooling system to the inside of the vehicle. Thermostat housing and water outlets are connections that transfer coolant...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$31.41