Buy 2009 Audi S4 Connector hose. Engine Coolant Overflow Hose. Water pump tube. 4.2 LITER, AUXILIARY - OEM Audi Part # 079121057G (079-121-057-G)

A Coolant hose that feeds Coolant back to the Overflow or recOvery bottle in a closed loop Cooling system. Hoses carries permanent Coolant, or antifreeze, throughout the Engine, heater, and radiator.

Engine Coolant HoseEngine Coolant Overflow Hose

Fits A6, allroad, RS4, S4

4.2 LITER, AUXILIARY, #1. 4.2 LITER, RETURN. 4.2 LITER, RETURN, 2005-06. 4.2 LITER, RETURN, A4/S4.