Mevotech CMS401299 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Mevotech CMS401299 Control Arm Assembly

Mevotech CMS401299 is a front left upper suspension control arm and ball joint assembly built for the 2017-2020 Ford F-150. It combines a steel control arm with a pre-greased, greaseable ball joint and serviceable bushings to support consistent steering and suspension performance in demanding use.

Engineered for high-usage passenger and commercial applications, this Mevotech Supreme Parts assembly uses application-specific upgrades and Labor Saver design elements to streamline service on the Ford F-150 front suspension.

Key Features

• Fits 2017-2020 Ford F-150, front left upper
• Part number: CMS401299
• Steel control arm with black finish
• Ball joint included with press-in mounting type
• Pre-greased and greaseable for serviceability
• Grease fitting included
• Bushings included with rubber bushing material
• Dust boot included with neoprene boot material
• Threaded ball joint stud with locking nut included
• Mounting hardware included

Detailed Description

Mevotech CMS401299 is a direct replacement suspension control arm and ball joint assembly for the front left upper position on select Ford F-150 trucks. The steel arm is paired with a press-in ball joint, sintered metal bearing material, and rubber bushings to deliver a complete service part for front suspension repair. The assembly is pre-greased and includes a grease fitting, allowing routine lubrication after installation. Mevotech Supreme Parts are engineered in-house with application-specific upgrades for durability and performance in commercial, fleet, and passenger vehicle service. This part cross-references Motorcraft 8CB403116 for the same application.

Common Repair Uses

• Front-end clunking or looseness from a worn upper control arm
• Uneven tire wear caused by suspension joint wear
• Steering wander related to excess play in the front left upper suspension
• Ball joint noise or binding during suspension travel
• Service replacement for a damaged Ford F-150 upper control arm assembly

Installation Notes and Tips

Install CMS401299 on the front left upper position only for the listed Ford F-150 applications. Verify alignment after replacement, since upper control arm service can affect camber and caster settings. Inspect adjacent suspension components, fasteners, and steering links for wear before final assembly. Use the included locking nut and mounting hardware during installation, and follow factory torque specifications.

Quality Assurance

Mevotech Supreme Parts are built with in-house engineering and application-specific design updates for durability in demanding service. The Labor Saver design approach is intended to make installation faster and more straightforward on the 2017-2020 Ford F-150 front suspension.