Keep the front suspension pivoting smoothly with the Mevotech Supreme Ball Joint MK80039 — a direct-fit front lower 2003-2006 Ford Expedition ball joint that also fits the 2003-2006 Lincoln Navigator. This suspension ball joint pivots the steering knuckle against the control arm, and when it wears you may notice clunking over the front suspension, uneven tire wear, or loose, wandering steering — signs it may be time to replace it. If a worn ball joint is the cause, this Mevotech Supreme unit drops in as your 2003-2006 Ford Expedition ball joint replacement.
See the Buyer's Guide tab for the full list of covered engines and applications.
What vehicles does the Mevotech Supreme MK80039 fit?
It is a direct-fit replacement for the 2003-2006 Ford Expedition and 2003-2006 Lincoln Navigator. Check the Buyer's Guide tab to confirm the fit for your vehicle.
Where is this ball joint located?
MK80039 is a front lower ball joint, connecting the front lower control arm to the steering knuckle on the listed applications.
Does it come with a locking nut?
Yes. It includes the part-specific nylon locking nut to help speed up installation.
Is a dust boot included?
Yes, a dust boot is pre-installed to help keep water and debris away from the internal components.
What are the signs this ball joint needs replacing?
Clunking over the front suspension, uneven tire wear, or loose, wandering steering may point to a worn 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.
