Dorman 520-978 Suspension Control Arm and Ball Joint Assembly – Front Lower Forward

Dorman 520-978 Suspension Control Arm Assembly

Dorman 520-978 is a direct replacement suspension control arm and ball joint assembly for specific Audi applications. It is built to help restore smooth ride quality, directional stability, and predictable suspension response on the front lower forward position.

• Direct replacement for original equipment fitment on select vehicles
• Pre-greased for immediate service
• Steel control arm construction with black finish
• Ball joint included and installed
• Rubber bushings included
• Mounting hardware included
• Threaded ball joint stud with 14 mm thread diameter
• Pressed attachment type for OE-style installation

This Dorman 520-978 assembly is engineered for the front lower forward suspension position on 2005-2011 Audi A6, 2005-2011 Audi A6 Quattro, and 2007-2011 Audi S6. It combines the control arm, bushings, and ball joint in one serv