Buy OEM Audi Part # 4H0422891M (4H0-422-891-M). Power Steering Return Hose. 2011-14, 4.0 & 4.2 LITER, W/DYNAMIC STEERING, to 07/08/2011. 2011-14, 4.0 & 4.2 LITER, W/O DYNAMIC STEERING, to

Power Steering Return Hose.
Cooler to Reservoir. Return Hose for Power Steering.

Power Steering Return Hose

Fits A8

2011-14, 4.0 & 4.2 LITER, W/DYNAMIC STEERING, to 07/08/2011. 2011-14, 4.0 & 4.2 LITER, W/O DYNAMIC STEERING, to 11/04/2011. A8; 4.2L.
Power Steering Line - Repair or Replace
If the steering in your Audi whines or groans, or if your steering wheel is hard to turn, you may have a leaking power steering line.