Keep your rear wheels precisely located with the Delphi Suspension Control Arm and Ball Joint Assembly TC5148, a Delphi control arm that installs as a direct-fit replacement for the listed applications. It fits many vehicles, among them the 2009-2013 Subaru Forester, 2010-2013 Subaru Outback and 2009-2013 Subaru Impreza. This is the rear lower forward control arm; it locates the wheel and carries the ball joint that lets the knuckle pivot. When the arm or its ball joint wears, you may notice clunking over bumps, loose steering, or uneven tire wear — signs this part may need replacing.
This part arrives as one pre-assembled unit. See the Buyer's Guide tab for the full list of vehicles it fits.
Interchange: 524-777 · 20250 FG021
524777 · 20250FG021 · KSC6460 · LA72615 · LA72615PR · RK100124 · CMS801048
This part cross-references / interchanges with the following part numbers:
What is the Delphi TC5148 control arm and ball joint assembly?
It's the rear lower forward control arm with an integrated ball joint. It locates the wheel and lets the knuckle pivot, and it ships as one pre-assembled unit.
Is the TC5148 a direct-fit 2009-2013 Subaru Forester control arm?
Yes, it's listed as a direct-fit replacement for the 2009-2013 Subaru Forester. Check the Buyer's Guide tab to confirm the fitment for your specific vehicle.
What are the signs this control arm assembly needs replacing?
Clunking over bumps, loose or wandering steering, and uneven tire wear can be signs of a worn control arm or failing ball joint. Diagnose the cause before replacing.
Is this a lower control arm?
Yes. The catalog lists it in the rear lower forward position, so it serves as the rear lower forward control arm for the listed applications.
How is the Delphi control arm built for durability?
It's robot-welded, its ball studs are machined to micron tolerances, and it receives 100% crack and ultrasonic flaw detection plus anti-corrosion protection.
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.
