Tighten up steering response and keep the suspension quiet with the Mevotech Supreme control arm and ball joint assembly, part number CMS861276. This front left upper unit combines the control arm, its bushings, and the integrated ball joint into one pre-assembled piece, and it drops in as a direct-fit replacement for the listed applications — 2015-2024 Lexus RC F and RC350, 2018-2024 RC300, 2016-2017 RC200T, 2013-2020 GS350, 2016-2020 GS F, 2016-2017 GS200T, 2018-2019 GS300, 2013-2018 GS450H, 2021-2025 IS300 and IS350, and 2022-2025 IS500. See the Buyer's Guide tab for engine-level fitment.
As a Mevotech Supreme suspension control arm assembly, it locates the wheel and manages suspension travel while the ball joint allows steering and articulation. If a worn arm, bushing or ball joint is the cause of your looseness or noise, this replaces it.
Interchange: 102-8145
1028145 · 19471639 · 3CB86543 · 4863039115 · GS861276 · 2608834 · X30CJ0989
This part cross-references / interchanges with the following part numbers:
What is the Mevotech Supreme control arm and ball joint assembly CMS861276?
It is a front left upper suspension control arm with a pre-installed ball joint and bushings, sold as one assembly to replace the original on the listed applications.
Which vehicles does this control arm and ball joint assembly fit?
It fits front left upper positions on Lexus RC F, RC350, RC300, RC200T, GS350, GS F, GS200T, GS300, GS450H, IS300, IS350 and IS500 across the years listed. See the Buyer's Guide tab for details.
Is mounting hardware included?
Yes. Mevotech's Labor Saver design includes the essential mounting hardware to simplify installation.
What position is this control arm?
This assembly is the front left (driver's side) upper control arm. Confirm the correct position for your vehicle against the Buyer's Guide before ordering.
What are signs this part may need replacing?
Clunking or knocking over bumps, wandering or loose steering, and uneven tire wear can signal a worn control arm bushing or ball joint. Have the cause diagnosed 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.
