Keep the rear wheel located where it belongs with the Mevotech Supreme Lateral Arm CMS861051, a rear upper forward lateral arm with a protective surface treatment that helps it resist corrosion. It fits many vehicles, among them the 2006-2015 Lexus IS250, 2006-2015 Lexus IS350 and 2011-2014 Lexus IS F. It is a direct-fit replacement for the listed applications. See the "Vehicles it fits" section for the full list.
A lateral arm connects the rear knuckle to the chassis. It helps control the wheel's side-to-side position and hold the rear alignment settings. Over time, wear, damage or rust can let the wheel move out of position. If a worn or damaged lateral arm is the cause, this part replaces it.
- Position: Rear upper forward lateral arm for the listed applications.
- Resists corrosion: A protective surface treatment helps prevent rust buildup and is designed to increase longevity.
- Direct fit: Built as a direct-fit replacement for the listed applications.
- Installation note: Check the rear alignment after installation. Follow the vehicle service information for the correct fasteners, torque values and whether the original fasteners may be reused.
Signs this part may need replacing: clunking or knocking from the rear over bumps, uneven or premature rear tire wear, a rear alignment that will not stay in specification, or visible damage or heavy rust on the arm. Diagnose the cause before replacing parts.
Interchange: 101-7328 · 102-7328 · 524-276 · 527-180
1017328 · 1027328 · 524276 · 527180 · 19306990 · GGS861051 · TC7299 · CA64516 · CA64516PR · LA64546 · CA5114 · 2CB86174 · CAK641830 · 4877030090 · 4877030110 · RK641830 · C4GS861051 · GS861051 · 2606795 · 1150168 · 30030578 · 4877030080
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
19306990, 101-7328, 102-7328, GGS861051, TC7299, 524-276, 527-180, CA64516, CA64516PR, LA64546, CA5114, 2CB86174, CAK641830, 4877030090, 4877030110, RK641830, C4GS861051, GS861051, CMS861051, 2606795, 1150168, 30030578, 4877030080
Frequently Asked Questions
What does the Mevotech Supreme CMS861051 lateral arm do?
It is a rear upper forward lateral arm that links the rear knuckle to the chassis. It helps control the wheel's side-to-side position and hold the rear alignment settings.
Which vehicles does the CMS861051 fit?
It fits many vehicles, including the 2006-2015 Lexus IS250, 2006-2015 Lexus IS350 and 2011-2014 Lexus IS F. See the "Vehicles it fits" section for the full list.
How is this lateral arm protected against rust?
Mevotech gives it a protective surface treatment. The treatment is designed to help prevent rust buildup and increase the arm's longevity.
What are signs a lateral arm may need replacing?
Common signs include clunking from the rear over bumps, uneven rear tire wear and a rear alignment that won't stay in spec. Diagnose the cause before replacing parts.
Should the alignment be checked after installation?
Yes, an alignment check is recommended because replacing a lateral arm can change rear alignment. Follow the vehicle service information for fasteners and torque values.
