Moog RK643303 Suspension Control Arm - Rear Right Upper

Premium Rear Right Upper Control Arm

Moog RK643303 is a premium suspension control arm for the rear right upper position. It is engineered for structural strength and corrosion protection, making it a direct replacement choice for Ford Mustang, Ford Edge, Lincoln Nautilus, and Lincoln MKX applications.

Compatible with 2015-2025 Ford Mustang, rear right upper; 2015-2024 Ford Edge, rear right upper; 2019-2023 Lincoln Nautilus, rear right upper; and 2016-2018 Lincoln MKX, rear right upper.

• Premium-grade suspension control arm for rear right upper placement
• Built for structural strength in everyday suspension service
• Corrosion protection helps support long-term durability
• OE-style replacement for select Ford and Lincoln rear suspension applications
• Part number RK643303 for catalog and fitment lookup

Application Details

This control arm is used in the rear suspension to maintain proper wheel location and suspension geometry. It is a fit for Ford Mustang and Ford Edge models, plus Lincoln Nautilus and Lincoln MKX vehicles in the rear right upper position. RK643303 is also a useful cross-reference when verifying replacement needs against OE-style part numbers.

This part cross-references Ford OE numbers E1GZ5500C and FR3Z5500G for the same application.

Common Replacement Issues

• Rear suspension looseness or clunking from worn control arm bushings or joints
• Uneven tire wear caused by incorrect rear suspension geometry
• Steering pull or unstable handling related to rear suspension wear
• Excessive play in the rear right upper suspension link
• Inspection failure due to worn or damaged suspension components

Installation Notes

Verify vehicle year, make, model, and rear right upper position before installation. Compare the original arm and OE reference numbers RK643303, E1GZ5500C, and FR3Z5500G to confirm application match. After replacement, a wheel alignment is recommended to restore suspension geometry.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection for foreign and domestic nameplates. RK643303 is a premium-grade suspension component built to meet the demands of rear suspension service on Ford and Lincoln applications.