Moog CK80040 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Moog CK80040 Front Left Upper Control Arm

The Moog CK80040 is a suspension control arm and ball joint assembly for select Ford, Lincoln, and Mercury full-size platforms. Built with forged steel and a bolt-in ball joint design, it is made for heavier loads and rougher road conditions where added strength and durability matter.

Key Features

• Pre-greased for immediate service
• Grease fitting included for future maintenance
• Forged steel control arm construction
• Rubber bushings included
• Ball joint mounting type: bolt in
• Ball joint stud type: threaded
• Mounting hardware included
• Black control arm finish
• Non-adjustable design

Detailed Description

Moog CK80040 is a front left upper suspension control arm and ball joint assembly engineered for vehicles that see demanding daily use. The forged steel arm provides a rigid foundation, while the included rubber bushings help restore proper suspension connection at the chassis. This assembly is pre-greased and includes a grease fitting, making routine service easier after installation. It is a direct-fit style replacement for applications such as the Ford Crown Victoria, Lincoln Town Car, Mercury Grand Marquis, and Mercury Marauder.

This part cross-references Dorman OE Solutions 521-141 for the same application. The Moog CK80040 also cross-references Mevotech Supreme CMK80040.

Vehicle Fitment

• Fits 2003-2011 Ford Crown Victoria, front left upper. Kit contains bushing; High Utilization Design.
• Fits 2003-2011 Lincoln Town Car, front left upper. Kit contains bushing; High Utilization Design.
• Fits 2003-2011 Mercury Grand Marquis, front left upper. Kit contains bushing; High Utilization Design.
• Fits 2003-2004 Mercury Marauder, front left upper. Kit contains bushing; High Utilization Design.

Common Repair Uses

• Restoring worn upper control arm and ball joint function
• Addressing looseness or play in the front suspension
• Replacing damaged rubber bushings
• Correcting clunks, squeaks, or uneven steering response from suspension wear
• Servicing high-mileage vehicles used on rough roads or under heavier loads

Installation Notes and Tips

Install on the front left upper position only. Verify vehicle year, make, and model before ordering, and inspect related suspension components such as the lower control arm, tie rods, and alignment settings during service. Because this assembly is non-adjustable, proper fitment and alignment checks are important after installation.

Quality Assurance

Moog High Utilization Designs are built for heavier loads and more punishing road conditions, providing added strength and durability for demanding suspension service.