Connector to Auxiliary Water Pump. Hoses carries permanent coolant, or antifreeze, throughout the engine, heater, and radiator. HVAC Heater Hose. Inlet. Breather tube. Connector pipe. Cooler line. Engine Coolant. HVAC Heater. Inlet. Outlet. Return. Vent. Water Assembly.
Engine Coolant HoseHVAC Heater Hose
Fits A4, A4 allroad, A5, A5 Sportback
2.0 LITER, REAR, 2018-20. 2.0 LITER, REAR, 2018-2020. 2.0 LITER, REAR, 2021-24. 2017-20. 2017-2019, AUTO TRANS. 2017-2019, MANUAL TRANS. 2021-24, HEATER HOSE. 40 TSFI. 45 TSFI. CONVERTIBLE, 2.0 LITER, REAR, 2018-2020. CONVERTIBLE, 2.0 LITER, REAR, 2021-24. Coupe, 2.0 LITER, REAR, 2018-20. Coupe, 2.0 LITER, REAR, 2021-24.
Heater Hose - Repair or Replace
A heater hose transfers heat from your engine’s cooling system to your vehicle’s heater. If the hose is leaking, ruptured, or appears to be on the verge of failure, bring your 2023 Audi S4 to our Audi service department for repair.