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