Mevotech CMS401143 Lateral Arm - Rear Upper Forward

Rear Upper Forward Lateral Arm for Expedition and Navigator

Mevotech CMS401143 is a rear upper forward lateral arm built with a steel tube construction, corrosion-resistant finish, and natural rubber bushings for controlled suspension movement. It is a direct-fit replacement for select Ford Expedition and Lincoln Navigator models from 2007-2024.

Key Features

• Steel tube construction for suspension strength
• Corrosion-resistant black finish
• Natural rubber bushings included
• Mounting hardware included
• Non-adjustable design for OE-style replacement fit
• Compatible with rear upper forward suspension positions

Detailed Description

This Mevotech lateral arm, part number CMS401143, is engineered for the rear upper forward position on 2007-2024 Ford Expedition and 2007-2024 Lincoln Navigator applications. The steel tube body and corrosion-resistant finish help support long-term service in demanding underbody conditions, while the natural rubber bushings are selected for suspension articulation and road isolation. CMS401143 is a practical replacement choice when restoring rear suspension geometry and ride control on Expedition and Navigator platforms.

This part cross-references MOOG Chassis Products RK641802 for the same application.

What It Helps Address

• Rear suspension looseness or instability
• Clunking or knocking from worn arm bushings
• Uneven rear wheel tracking caused by worn linkage
• Excess movement in the rear upper forward suspension point
• Restoration of proper suspension alignment after wear-related component failure

Installation Notes and Tips

Install CMS401143 in the rear upper forward suspension location on compatible Ford Expedition and Lincoln Navigator vehicles. Verify the existing arm orientation and mounting points before removal, and inspect adjacent bushings and fasteners for wear or corrosion during service. Because mounting hardware is included, replacement can be completed with the necessary attachment components on hand.

Quality Assurance

Mevotech suspension components are built for OE-style replacement service, with materials and finishes selected for durability in everyday driving conditions. CMS401143 is a direct replacement lateral arm for the specified Expedition and Navigator fitments.