Moog RK641803 Suspension Control Arm - Rear Lower Forward

OE-Style Rear Lower Forward Control Arm

Moog RK641803 is a suspension control arm for the rear lower forward position on select Ford Expedition and Lincoln Navigator models. Built from stamped steel with a painted black finish, it is made for structural strength and corrosion protection in everyday suspension service.

Compatible with 2007-2017 Ford Expedition, rear lower forward, and 2007-2017 Lincoln Navigator, rear lower forward, this control arm uses rubber bushings for a factory-style ride feel and stable suspension movement.

Key Features

• Stamped steel construction for strength and durability
• Painted black finish for added corrosion resistance
• Rubber bushings included for controlled suspension articulation
• Direct replacement for the rear lower forward control arm position
• Moog RK641803 application coverage for Ford Expedition and Lincoln Navigator
• Cross-reference: Dorman OE Solutions 524-279

Detailed Description

Moog RK641803 is engineered as a suspension control arm for foreign and domestic nameplates, with a focus on structural integrity and corrosion protection. The stamped steel arm and rubber bushings support consistent rear suspension geometry, helping maintain alignment and predictable handling in the rear lower forward location. This part cross-references Dorman OE Solutions 524-279 for the same application.

Use Moog RK641803 when servicing the rear suspension on 2007-2017 Ford Expedition and 2007-2017 Lincoln Navigator models. The part number RK641803 is a direct fit option for vehicles that require a rear lower forward suspension control arm without an included ball joint.

What It Helps Address

• Excessive rear suspension play from worn control arm bushings
• Clunking or knocking from the rear lower forward suspension area
• Uneven rear wheel alignment caused by worn arm components
• Reduced handling stability from deteriorated suspension geometry
• Corrosion-related replacement needs on the original control arm

Installation Notes

Fits 2007-2017 Ford Expedition, rear lower forward. Fits 2007-2017 Lincoln Navigator, rear lower forward. Mounting hardware is not included, and the ball joint is not included. Pre-greased is not applicable, and the arm is not adjustable. Verify position, bushing condition, and vehicle application before installation. RK641803 should be installed as a direct replacement in the specified rear lower forward location.

Quality Assurance

Moog suspension components are built for structural strength and corrosion protection, with OE-style serviceability in mind. RK641803 is manufactured as a regular-grade stamped steel control arm with rubber bushings for consistent replacement performance.