Bring controlled, quiet handling back to the front suspension with the Mevotech Supreme control arm and ball joint assembly (CMS801178). This front left lower unit installs as a direct-fit replacement for the 2011-2014 Subaru Impreza and 2013-2014 Subaru WRX STI, locating the wheel and letting the suspension and steering articulate smoothly. If a worn, loose, or clunking arm is behind your Subaru Impreza control arm complaint, this assembly replaces the arm, its integrated ball joint, and pressed-in bushings in one piece.
This Mevotech Supreme lower control arm is backed by extensive in-house and third-party durability testing. Sold individually — for a Subaru Impreza control arm replacement, order each side you need to service.
Interchange: 524-595
524595 · 19356890 · CB72103 · CB72103PR · CA12666 · 5CB80270 · GS801178 · 2607834 · 30031298 · 20202FG051 · 20202FG052 · CP5217
This part cross-references / interchanges with the following part numbers:
What vehicles does the Mevotech Supreme CMS801178 fit?
It's a front left lower control arm and ball joint assembly for the 2011-2014 Subaru Impreza and 2013-2014 Subaru WRX STI. Check the Buyer's Guide tab to confirm your exact vehicle.
Does it include the control arm bushing for a Subaru Impreza?
Yes — the ball joint and bushings come pre-installed in the arm, so you replace the complete assembly in one piece. A part-specific castle nut is also provided for installation.
What position is this control arm?
It is the front left (driver's side) lower control arm. Order the opposite side separately if you plan to replace both.
What is it made of?
Cast aluminum, engineered in-house with application-specific upgrades and additional surface treatment on the ball joint to help resist rust build-up.
What are the signs my control arm may need replacing?
Clunking or knocking over the front suspension, loose or wandering steering, and uneven tire wear are common signs the arm or its ball joint may be worn. Diagnose the cause before replacing.
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.
