Moog RK621662 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper

Rear Left Upper Control Arm for Escape and Mariner

Moog RK621662 is a rear left upper suspension control arm and ball joint assembly built for 2009-2012 Ford Escape and 2009-2011 Mercury Mariner applications. It is engineered with stamped steel construction, rubber bushings, and corrosion-focused protection for dependable suspension service.

Key Features

• Fits 2009-2012 Ford Escape, rear left upper
• Fits 2009-2011 Mercury Mariner, rear left upper
• Stamped steel control arm construction
• Pre-greased with grease fitting included
• Rubber bushings included for suspension isolation
• Press-in ball joint with threaded stud type
• Mounting hardware included
• Black finish

Detailed Description

Moog RK621662 is a suspension control arm and ball joint assembly for the rear left upper position on Ford Escape and Mercury Mariner models. The stamped steel arm is built for structural strength, while the included rubber bushings help maintain proper suspension movement and reduce harshness. The assembly arrives pre-greased and includes a grease fitting for serviceability. RK621662 is a direct replacement choice for 2009-2012 Ford Escape and 2009-2011 Mercury Mariner rear suspension repair, and it cross-references Dorman OE Solutions 521-959 for the same application.

What It Helps Repair

• Rear suspension looseness or play
• Clunking or knocking from the rear suspension
• Uneven tire wear related to worn control arm components
• Handling instability from worn bushings or ball joint wear
• Alignment issues caused by damaged rear upper control arm parts

Installation Notes and Tips

Install RK621662 in the rear left upper position only on the listed Ford Escape and Mercury Mariner applications. Verify press-in ball joint service requirements before installation, and inspect adjacent suspension hardware, fasteners, and alignment settings during replacement. The included mounting hardware supports a complete repair, and the grease fitting allows future lubrication service.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection on foreign and domestic nameplates. RK621662 follows that OE-replacement approach for the rear suspension on the listed Escape and Mariner models.