Mevotech Supreme Suspension Ball Joint P/N:MK9009
Keep the rear suspension tight and controlled with the Mevotech Supreme Suspension Ball Joint MS40507, a rear lower ball joint that connects the control arm to the knuckle and pivots to let the suspension move while locating the wheel. It's a direct-fit replacement for the 2001-2008 Ford Escape, 2001-2006 and 2008 Mazda Tribute, and 2005-2008 Mercury Mariner — see the Buyer's Guide tab for engine-level fitment.
Engineered in-house with application-specific upgrades, Mevotech Supreme joints are built for high-usage commercial and passenger vehicles, SUVs, fleets and working trucks, with Labor Saver™ designs and hardware to make installation faster.
Signs a worn ball joint may need replacing include clunking or knocking over bumps, looseness in the suspension, and uneven tire wear; diagnose the cause before replacing.
Interchange: 610.65060
61065060 · 19327202 · TC5969 · BJ65685 · BJ65685XL · 5L8Z5500AD · YL8Z5500AD · IK500135 · K500135 · EC0128500B · EC0128500C · EC0128500D · EC0128500E · EC0128500F · EF9128500 · 30010119 · X32BJ0394 · JBJ469 · TK500135
This part cross-references / interchanges with the following part numbers:
What does this ball joint do?
It connects the rear lower control arm to the steering knuckle and pivots to allow suspension movement while helping locate the wheel for controlled ride and handling.
Which vehicles does the MS40507 fit?
It's a direct-fit replacement for the 2001-2008 Ford Escape, 2001-2006 and 2008 Mazda Tribute, and 2005-2008 Mercury Mariner. See the Buyer's Guide tab for engine-level details.
Does it include a grease fitting and locking nut?
Yes. It includes a 90-degree SAE grease fitting for easier servicing and a part-specific locking nut to speed installation.
What are signs a ball joint may need replacing?
Clunking or knocking over bumps, looseness or play in the suspension, and uneven tire wear can indicate a worn ball joint. Diagnose the cause before replacing.
What features improve durability and fit?
Sintered bearings support longer-lasting performance, a thicker, stronger flange helps prevent deformation during installation, and knurling helps avoid distortion and corrosion for a snugger fit.
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.