Moog RK623271 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Front Left Upper Control Arm Assembly

Moog RK623271 is a premium suspension control arm and ball joint assembly for the front left upper position. It is built for Ford Fusion, Lincoln MKZ, Mercury Milan, and Lincoln Zephyr applications with the specified caster note, and it includes the bushing and ball joint for a complete service replacement.

Key Features

• Premium-grade control arm assembly for front suspension service
• Ball joint included for a complete upper control arm replacement
• Bushings included for direct suspension restoration
• Engineered for structural strength and corrosion protection
• Direct fit for select Ford, Lincoln, and Mercury models

Detailed Description

Moog RK623271 is a front left upper suspension control arm and ball joint assembly made for select 2006-2012 Ford Fusion, 2007-2012 Lincoln MKZ, 2006-2011 Mercury Milan, and 2006 Lincoln Zephyr models. This part number is also referenced as RK623271 and is cross-referenced to OE-style numbers 6E5Z3085D and AE5Z3085D for the same application. The assembly combines the control arm, ball joint, and bushings in one service part, helping restore front suspension geometry and steering response on the listed vehicles.

Compatible With 2006-2012 Ford Fusion, front left upper; 2007-2012 Lincoln MKZ, front left upper; 2006-2011 Mercury Milan, front left upper; and 2006 Lincoln Zephyr, front left upper. The fitment notes specify minus 0.4 degrees caster.

What This Part Helps Address

• Excessive front-end looseness or play
• Worn ball joint movement in the upper control arm
• Cracked or deteriorated suspension bushings
• Uneven tire wear related to front suspension wear
• Steering pull or alignment issues tied to upper control arm wear

Installation Notes and Tips

Verify the front left upper position and the minus 0.4 degrees caster note before ordering. After installation, perform a professional wheel alignment to confirm suspension geometry. Inspect adjacent steering and suspension components during service to avoid repeat repairs. RK623271 should be matched to the vehicle application and OE reference numbers before installation.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection on foreign and domestic nameplates. RK623271 is built as a premium replacement assembly for the listed Ford, Lincoln, and Mercury applications.