Mevotech MS40546 Front Upper Ball Joint

Mevotech MS40546 is a press-in front upper suspension ball joint for select Ford and Lincoln trucks and SUVs. It is built for high-use passenger, commercial, fleet, and work-truck applications, with pre-greased construction and serviceable features that support routine maintenance.

Key Features

• Pre-greased ball joint assembly for immediate installation
• Press-in mounting type for front upper suspension service
• Grease fitting included for future lubrication
• Dust boot included with neoprene boot material and blue boot color
• Castle nut, cotter pin, washers, and mounting hardware included
• Sintered metal bearing type for durable joint operation
• Threaded stud design with 22.0 wrench size
• Greaseable construction for maintenance access

Detailed Description

Mevotech Supreme Parts are engineered in-house with application-specific upgrades for durability and performance in demanding service. MS40546 is a front upper ball joint for 2004-2021 Ford F-150, 2006-2021 Ford Expedition, 2006-2021 Lincoln Navigator, and 2006-2008 Lincoln Mark LT applications, with fitment notes that vary by control arm style. This part cross-references Ford EL3Z3085A and EL3Z3085B for the same application. It also cross-references MOOG Chassis Products K500359 and K500422 for the same application.

What This Part Helps Address

• Front-end looseness from worn upper ball joint joints
• Clunking or popping noises over bumps and turns
• Uneven tire wear caused by suspension play
• Steering wander or reduced front-end stability
• Service delays when replacing a press-in upper joint on Ford and Lincoln platforms

Installation Notes and Tips

• Fits 2007-2021 Ford Expedition, front upper, will fit TTX and stamped steel OEM arm.
• Fits 2007-2021 Lincoln Navigator, front upper, will fit TTX and stamped steel OEM arm.
• Fits 2009-2020 Ford F-150, front upper, will fit TTX and stamped steel OEM arm.
• Fits 2004-2008 Ford F-150, front upper, will fit TTX arm only.
• Fits 2006-2008 Lincoln Mark LT, front upper, will fit TTX arm only.
• Fits 2006 Ford Expedition, front upper, will fit TTX arm only.
• Confirm control arm style before installation because fitment depends on TTX or stamped steel OEM arm configuration.
• Use the included grease fitting and follow standard press-in ball joint service procedures.

Quality Assurance

Mevotech Supreme ball joints are built for high-usage vehicles and include application-specific design details, serviceable grease access, and installation-focused hardware. MS40546 is engineered for front upper suspension service on Ford F-150, Expedition, Lincoln Navigator, and Mark LT platforms.