2003 Freightliner MT Heater Cores
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- gpd®HVAC Heater CoreFreightliner MT 2003, 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 between the radiator...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$123.58