Buy OEM 1999 Audi Part # 8K0407253T (8K0-407-253-T). Steering Knuckle. From 12/9/2008 to 10/2009, KSM. To 08/12/2008. TO 10/2009, KSM. Steering Knuckle - Repair or Replace The steering

Housing. Steering knuckle.
A knuckle used on a Steering axle that has no additional components attached.

Steering Knuckle

Fits A4, A5, Q5, S4, S5

From 12/9/2008 to 10/2009, KSM. To 08/12/2008. TO 10/2009, KSM.
Steering Knuckle - Repair or Replace
The steering knuckle in your 1999 Audi may need to be replaced if it has become damaged or rusty, which will usually be determined during a related repair.