Mevotech MS40551 Suspension Ball Joint - Front Lower

Mevotech Supreme Front Lower Ball Joint

Mevotech MS40551 is a front lower suspension ball joint built for the Lincoln LS and Ford Thunderbird applications listed below. It features a corrosion-resistant finish, a pre-greased design, and a dust boot included for added protection in demanding daily-use and fleet service.

Engineered in-house by Mevotech, this Supreme Parts ball joint uses application-specific upgrades for durability and consistent performance on high-usage passenger vehicles, SUVs, fleets, and working trucks. The Labor Saver design focus also supports faster, easier installation on the correct front lower suspension position.

Key Features

• Part number: MS40551
• Front lower suspension ball joint assembly
• Dust boot included
• Pre-greased for service-ready installation
• Corrosion-resistant finish
• Non-adjustable design
• Built for commercial and passenger vehicle use

Detailed Description

Mevotech MS40551 is a direct-fit front lower ball joint for 2002 Lincoln LS, 2003-2006 Lincoln LS, and 2002-2005 Ford Thunderbird applications with the specified stud and mounting notes. It is part of the Mevotech Supreme line, which focuses on application-specific engineering and upgraded construction for vehicles that see frequent road use. If you are replacing a worn front lower ball joint on a Lincoln LS or Ford Thunderbird, MS40551 provides a service-ready replacement with a corrosion-resistant finish and included dust boot.

This part cross-references Centric Parts 611.61016 for the same application.

What It Helps Fix

• Front-end looseness or play from a worn ball joint
• Clunking or knocking noises from the lower suspension
• Uneven tire wear caused by suspension joint wear
• Steering instability or wandering at the front axle
• Boot damage that can expose the joint to contamination

Installation Notes and Tips

• Fits 2003-2006 Lincoln LS, front lower, 16mm ball joint stud.
• Fits 2002-2005 Ford Thunderbird, front lower, m16; from 3/12/2002.
• Fits 2002 Lincoln LS, front lower, m16; from 3/12/2002.
• Verify the stud size and production date before installation.
• Inspect related suspension components for wear while servicing the front lower joint.

Quality Assurance

Mevotech Supreme Parts are engineered in-house with application-specific upgrades for durability and performance. MS40551 is built with a pre-greased joint, included dust boot, and corrosion-resistant finish to support long-term service in demanding driving conditions.