Buy OEM Audi Part # 078121082E (078-121-082-E, 078121082D). Engine Coolant Hose. 2.7 LITER V6, #1. 6 CYLINDER, 2.7 LITER, #1. Radiator and components

Connector Hose. Engine Coolant Hose.
Auxiliary Water Pump. Hoses carries permanent Coolant, or antifreeze, throughout the Engine, heater, and radiator.

Engine Coolant Hose

Fits A4, A6, S4

2.7 LITER V6, #1. 6 CYLINDER, 2.7 LITER, #1.