Hose.
A coolant Hose that feeds coolant back to the overflow or recovery bottle in a closed loop cooling system. Breather tube. Coupling. Drain. Engine Coolant Overflow. Reservoir. Return. Vent tube. Water.
Engine Coolant Overflow Hose
Fits A6, A6 allroad, A7, S6, S7
2.9 LITER, LEFT UPPER, to 09/05/2022. 2.9 LITER, MAIN, LEFT SIDE,UPPER, #1, to 09/05/2022. 3.0 LITER, MAIN, #1, to 09/05/2022. MAIN, #1, to 09/05/2022.