Help keep your front end tight and responsive with the Mevotech Supreme front lower ball joint, part number MS80503. It installs as a direct-fit replacement for the 2006-2007 Subaru B9 Tribeca, 2008-2014 Subaru Tribeca and 2019-2024 Subaru Ascent. See the Buyer's Guide tab for engine-specific details.
Mevotech engineers its Supreme line in-house and adds application-specific upgrades for durability and performance. This suspension ball joint is built for high-usage commercial and passenger vehicles, SUVs, fleets and working trucks. Mevotech's Labor Saver™ designs, tools and hardware are intended to make installation faster and easier.
The front lower ball joint is a pivot point between the lower control arm and the steering knuckle. It lets the wheel steer and move with the suspension. Signs it may need replacing include clunking over bumps, loose or wandering steering, uneven tire wear and noticeable play at the wheel. These symptoms can also come from other front-end parts, so diagnose the cause before replacing.
Interchange: ATM CBSU5 · 101-7714 · 610.47005
ATMCBSU5 · 1017714 · 61047005 · 19310367 · BGS80503 · TC5375 · BJ72095 · BJ72095PR · FA500200 · BJ01007 · K500200 · 1K500200 · GS80503 · 1080503 · 30010165 · 12369 · 20206XA000 · 20206XA001 · 20206XA002 · 92SU10520 · X47BJ7292 · JBJ593
This part cross-references / interchanges with the following part numbers:
Which vehicles does the MS80503 fit?
It is listed for the 2006-2007 Subaru B9 Tribeca, 2008-2014 Subaru Tribeca and 2019-2024 Subaru Ascent. Check the Buyer's Guide tab for engine-specific details.
Where on the vehicle does this ball joint install?
It is cataloged for the front lower position, where the ball joint connects the lower control arm to the steering knuckle.
Does it come with a castle nut and cotter pin?
Yes. A part-specific castle nut and cotter pin are provided to secure the ball joint to the vehicle.
What are signs a front lower ball joint may need replacing?
Common signs include clunking over bumps, loose or wandering steering, uneven tire wear and play at the wheel. These can have other causes, so have the front end inspected first.
How is the ball joint protected from dirt and rust?
A pre-installed dust boot helps keep water and debris away from the internal components. A protective surface treatment helps resist rust build-up.
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.
