Help keep steering response firm and predictable with this Dorman ball joint, part number 538-775, a front lower pivot that joins the steering knuckle to the lower control arm so the wheel can steer and move with the suspension. It fits many vehicles, among them the 2006-2013 Mercedes-Benz R350, 2010-2012 Mercedes-Benz GL350 and 2007-2012 Mercedes-Benz GL450. See the "Vehicles it fits" section for the full list and engine details.
This Dorman suspension ball joint is precision-engineered and thoroughly tested as a dependable replacement for the original equipment on specific vehicles.
- Direct replacement: designed to fit and perform like the original equipment on the listed applications.
- Reliable fit: precision-engineered to match the design and dimensions of the original components.
- Durable construction: built to strict standards from steel and rubber materials.
- Rigorously tested: thorough quality-control checks are intended to support long service.
Position: front lower. Signs that a lower ball joint may need replacing include clunking or knocking over bumps, loose or wandering steering, and uneven tire wear. Other steering and suspension parts can cause the same symptoms, so diagnose the cause before replacing.
Interchange: 101-7021
1017021 · TC2379 · K500077 · FA2395 · FA2395E · 1643300935 · MS10522 · 1014006 · JBJ803
This part cross-references / interchanges with the following part numbers:
101-7021, TC2379, K500077, FA2395, FA2395E, 1643300935, MS10522, 1014006, JBJ803
Frequently Asked Questions
Is this a 2007-2012 Mercedes-Benz GL450 ball joint for the front lower position?
Yes. It is listed for the front lower position on the 2007-2012 Mercedes-Benz GL450, and it also fits the 2006-2013 Mercedes-Benz R350 and the 2010-2012 Mercedes-Benz GL350. Check the "Vehicles it fits" section for your model.
What does a lower ball joint do?
It is the pivot that joins the steering knuckle to the lower control arm. It lets the wheel steer and move up and down with the suspension.
What is the Dorman 538-775 made of?
Dorman states that it is made of steel and rubber materials. It is built to strict standards and goes through thorough quality-control testing.
What are the signs of a worn ball joint?
Common signs are clunking over bumps, loose or wandering steering, and uneven tire wear. Other steering and suspension parts can cause these too, so diagnose the cause before replacing.
What should I know before installing it?
Follow the vehicle service information for the procedure, torque specs and correct fasteners. Have the wheel alignment checked afterward.
