Moog RK643422 Suspension Control Arm - Rear Upper

Premium Rear Upper Control Arm for Ram 2500

Moog RK643422 is a premium suspension control arm for the rear upper position on select Ram 2500 models. It is engineered for structural strength and corrosion protection, making it a direct-fit suspension service part for 2014-2018 Ram 2500 applications.

Key Features

• Premium-grade suspension control arm for rear upper installation
• Built for structural strength in demanding truck suspension use
• Corrosion protection helps support long-term durability
• Meets OEM standards for the listed Ram 2500 application
• Moog RK643422 is a fitment-specific replacement for the rear upper control arm and ball joint assembly

Detailed Description

Moog RK643422 is a premium rear upper suspension control arm for 2014-2018 Ram 2500 trucks. This part is intended for the rear upper position and is specified for the Ram 2500 suspension control arm and ball joint assembly application that meets OEM standards. If you are servicing rear suspension wear on a Ram 2500, this control arm provides a fitment-matched replacement built around strength and corrosion resistance.

This part cross-references Delphi TC8081 and Dorman - OE Solutions 527-172 for the same application. It also aligns with interchange references 4877143AA, CA81686, CA81686PR and Mevotech Supreme CMS251203. Moog RK643422 is a practical search match for Ram 2500 rear upper control arm replacement needs.

Common Issues This Part Can Address

• Rear suspension looseness or instability
• Excessive play in the upper rear control arm assembly
• Uneven rear suspension geometry after wear
• Noise from a worn suspension control arm and ball joint assembly
• Corrosion-related deterioration in the rear upper suspension link

Installation Notes and Tips

Fits 2014-2018 Ram 2500, rear upper. Confirm the vehicle year and rear upper suspension position before ordering. Inspect adjacent bushings, fasteners, and related rear suspension components during service so the replacement can be installed on a properly prepared assembly.

Quality Assurance

Moog premium control arms for foreign and domestic nameplates are engineered for structural strength and corrosion protection. RK643422 is positioned as a premium replacement for the listed Ram 2500 application and is referenced to OEM-standard fitment requirements.