2021-24. FRONT LEFT. to 05/23/2022. Auxiliary Water Pump to Radiator Coolant Hose. From 07/08/2019. Hoses carries permanent Coolant, or antifreeze, throughout the engine, heater, and Radiator. HVAC Heater Hose. Inlet. To 05/23/2022. Center. Connector. Engine Coolant. HVAC Heater. Inlet tube. Water.