Moog RK620178 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Moog RK620178 Front Right Upper Control Arm

The Moog RK620178 is a front right upper suspension control arm and ball joint assembly built for Chrysler 300, Dodge Charger, Dodge Challenger, and Dodge Magnum applications. It uses forged steel construction, rubber bushings, and a pre-greased design to support consistent steering and suspension performance.

Key Features

• Forged steel control arm for structural strength
• Pre-greased with grease fitting included for serviceability
• Press-in ball joint with threaded stud design
• Bushings included with rubber bushing material
• Mounting hardware included
• Black corrosion-resistant finish
• Non-adjustable OE-style replacement

Detailed Description

Moog RK620178 is engineered as a premium OE replacement for the front right upper position on select Chrysler and Dodge vehicles. It is built from forged steel for durability and includes bushings, a press-in ball joint, and mounting hardware for a complete suspension control arm and ball joint assembly. This part cross-references Dorman - OE Solutions (e.g., 521-008, 521-330) for the same application. The RK620178 is a direct-fit option for 2005-2019 Chrysler 300, 2006-2019 Dodge Charger, 2008-2018 Dodge Challenger, and 2005-2008 Dodge Magnum front right upper suspension service, including later-model Chrysler 300, Dodge Charger, and Dodge Challenger applications through 2023.

What It Helps Fix

• Front-end looseness or wandering caused by worn upper control arm components
• Clunking or knocking from worn bushings or ball joint wear
• Uneven tire wear related to suspension geometry issues
• Steering instability during braking or cornering
• Corrosion-related replacement needs on aging suspension parts

Installation Notes and Tips

Fits 2020-2023 Chrysler 300, front right upper; 2019-2023 Dodge Challenger, front right upper; 2020-2023 Dodge Charger, front right upper; 2005-2019 Chrysler 300, front right upper; 2006-2019 Dodge Charger, front right upper; 2008-2018 Dodge Challenger, front right upper; 2009-2010 Chrysler 300, front right upper; 2009-2010 Dodge Charger, front right upper; and 2005-2008 Dodge Magnum, front right upper. This is a non-adjustable control arm, so alignment should be checked after installation. For 2005-2019 Chrysler 300, 2006-2019 Dodge Charger, and 2008-2018 Dodge Challenger applications, replace in pairs when servicing the front suspension. Verify wheel and trim notes for 2009-2010 Chrysler 300 and Dodge Charger models that exclude 17-inch wheels.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with OE-style construction intended for dependable suspension service on foreign and domestic nameplates. The RK620178 is built to meet the demands of front suspension replacement on Chrysler 300, Dodge Charger, and Dodge Challenger platforms.