Help keep your rear suspension riding smooth and stable with this Dorman control arm, part number 527-161. It is a rear left upper control arm with ball joint, built as a direct replacement for the original equipment. It fits many vehicles, among them the 2014-2025 Subaru Forester, 2018-2022 Subaru XV and 2016-2025 Subaru Crosstrek. See the Buyer's Guide tab for the full list and engine details.
The Dorman suspension control arm and ball joint assembly helps hold the rear wheel in position while letting the suspension move over the road. The ball joint gives the arm its pivot point. Dorman put this design through an industry-leading evaluation process intended to deliver a smooth ride, directional stability and predictable handling.
- Trustworthy replacement: directly replaces the original assembly on the listed applications, in the rear left upper position.
- Complete repair: arrives with the ball joint and bushings already installed, which saves time and labor.
- Quality engineering: went through industry-leading testing aimed at a smooth, stable and safe ride.
- Durably designed: additional coatings provide rust and corrosion resistance.
Clunking or knocking from the rear over bumps, wandering handling or uneven tire wear may be signs that this part needs replacing. Diagnose the cause before you buy parts. This listing is for one arm, sold individually. Replacing the arms on both sides together is recommended for balanced handling. Have the wheel alignment checked after installation.
Interchange: TC4527 · CA9106 · RK623524 · 20252SG010 · 20252SG011 · X47CJ1379
This part cross-references / interchanges with the following part numbers:
TC4527, CA9106, RK623524, 20252SG010, 20252SG011, X47CJ1379
