Buy 2004 Audi A8 Power Steering Return Hose. 2011-14, 4.0 & 4.2 LITER, W/DYNAMIC STEERING, to 07/08 LITER, Line - OEM Audi Part # 4H1422891Q (4H1-422-891-Q)

Power Steering Return Hose. Return line.
Gear to Cooler. 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.
Power Steering Line - Repair or Replace
If the steering in your 2004 Audi A8 whines or groans, or if your steering wheel is hard to turn, you may have a leaking power steering line.