Keep the rear suspension planted and quiet with the Mevotech Supreme Lateral Arm CMS401241, a rear lower lateral arm that locates the wheel and controls its side-to-side movement. It installs as a direct-fit replacement for the listed 2006-2010 Ford Explorer, 2007-2010 Ford Explorer Sport Trac, and 2006-2010 Mercury Mountaineer applications.
Worn lateral arms can show up as clunking or knocking from the rear, uneven or accelerated tire wear, and loose or wandering rear-end handling. If a failed lateral arm is the cause of those signs, this replaces it. Refer to the Buyer's Guide tab for engine-level fitment details.
Interchange: 523-011
523011 · 19382578 · HGS401241 · TC7149 · TC7308 · LL85586 · LL85586PR · CA5296 · 6L2Z5A972A · RK642853 · C4GS401241 · GS401241 · 2608450 · 1142104 · 30034463 · 6CB40596 · X15LA0239
This part cross-references / interchanges with the following part numbers:
What does this lateral arm do?
It is a rear lower lateral arm that locates the wheel and controls its side-to-side movement, helping maintain proper rear wheel alignment and stability.
Which vehicles does the CMS401241 fit?
It fits the 2006-2010 Ford Explorer, 2007-2010 Ford Explorer Sport Trac, and 2006-2010 Mercury Mountaineer. Check the Buyer's Guide tab for engine-level details.
What are the signs of a worn lateral arm?
Common signs include clunking or knocking from the rear, uneven or accelerated tire wear, and loose or wandering rear-end handling. Have the cause diagnosed before replacing.
Is this arm protected against rust?
Yes. It has a protective surface treatment that helps guard against rust build-up for added longevity.
Should I replace both sides at once?
Replacing the matching arm on the other side together is often good practice for balanced handling, but confirm what your vehicle needs during service.
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.
