Moog RK623646 Suspension Control Arm and Ball Joint Assembly - Front Upper

Front Upper Control Arm for BMW and Rolls-Royce

Moog RK623646 is a premium suspension control arm and ball joint assembly for front upper applications. It is built for structural strength and corrosion protection, with the ball joint and bushings included for a direct replacement on select BMW 5 Series, 6 Series, 7 Series, i8, and Rolls-Royce Ghost models.

Key Features

• Premium-grade front upper control arm and ball joint assembly
• Bushings included for a complete service part
• Ball joint included for front suspension repair
• Engineered for structural strength
• Corrosion protection for long-term durability
• Fits select BMW and Rolls-Royce front upper suspension positions

Detailed Description

Moog RK623646 is a front upper suspension control arm assembly for select BMW 528i, 535i, 550i, 640i, 650i, 740i, 750i, 760Li, ActiveHybrid 5, i8, and Rolls-Royce Ghost applications. This part number is also referenced as RK623646 in catalog listings and cross-references to Delphi TC6879 for the same application. The assembly includes the ball joint and bushings, helping restore proper front suspension geometry and steering response on vehicles such as the BMW 535i GT and BMW 650i xDrive Gran Coupe.

Moog premium control arms are designed for foreign and domestic nameplates with an emphasis on strength and corrosion resistance. For buyers searching for a front upper control arm for BMW 640i Gran Coupe, front upper control arm for BMW 550i xDrive, or front upper suspension repair for Rolls-Royce Ghost, this part provides a direct-fit service solution for the listed vehicles.

What It Helps Address

• Front-end looseness or play from worn suspension joints
• Clunking or knocking from the upper control arm area
• Uneven tire wear related to suspension wear
• Steering wander or reduced front-end stability
• Worn bushings or ball joint movement in the front upper suspension

Installation Notes and Tips

Verify vehicle fitment by year, make, model, and front upper position before installation. This part fits 2010-2015 BMW 550i GT, 2011-2017 BMW 535i GT, 2011-2016 BMW 528i, 2012-2018 BMW 640i, 2013-2019 BMW 650i Gran Coupe, 2014-2017 BMW i8, and 2010-2011 Rolls-Royce Ghost in the front upper location, along with the other listed applications. After replacement, a professional wheel alignment is recommended to confirm suspension geometry.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with included bushings and ball joint for the specified front upper applications. Part number RK623646 is built to meet the demands of select BMW and Rolls-Royce suspension service work.