Help keep the rear wheel properly located and your suspension moving as designed with this Dorman control arm, part number 526-171, built for the rear left lower position. It fits many vehicles, among them the 2013-2016 Audi RS5, 2012-2018 Audi A6 and 2012-2018 Audi A6 Quattro, and it serves as a direct-fit replacement for the listed applications across a wide range of Audi and Porsche models.
This suspension control arm connects the wheel assembly to the vehicle's chassis and guides the wheel's movement as the suspension travels. Dorman precision-engineers and rigorously tests it as a dependable replacement for the original equipment on specific vehicles.
Signs a lower control arm may need replacing include clunking or knocking over bumps, loose or wandering handling, uneven tire wear, and a visibly bent or damaged arm. These symptoms can have other causes, so diagnose the problem before replacing parts. Engine and trim details for every application are in the Buyer's Guide tab. Follow the vehicle service information for the correct fasteners and torque values, and have the alignment checked after installation.
Interchange: CA12959 · RK642595 · 8K0505311H · 8K0505311J · 8R0505311B · 8R0505311E · 8R0505311F
This part cross-references / interchanges with the following part numbers:
Will this 2012-2018 Audi A6 control arm fit my car?
It is listed for the 2012-2018 Audi A6 and 2012-2018 Audi A6 Quattro at the rear left lower position. Check your exact trim and engine in the Buyer's Guide tab.
Does it fit the 2013-2016 Audi RS5?
Yes, it is listed for the 2013-2016 Audi RS5 at the rear left lower position. See the Buyer's Guide tab for the full list of vehicles.
What does this control arm do?
It connects the wheel assembly to the vehicle's chassis and guides the wheel's movement as the suspension travels, helping keep the wheel properly located.
What are signs this control arm may need replacing?
Clunking over bumps, loose or wandering handling, uneven tire wear, or a visibly bent or damaged arm can be signs of a worn control arm. Other parts can cause similar symptoms, so diagnose first.
Do I need an alignment after installing it?
An alignment check is generally recommended after replacing a control arm. Follow the vehicle service information for the correct fasteners, torque values and whether original hardware may be reused.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
