Moog RK621661 Suspension Control Arm and Ball Joint Assembly - Rear Right Upper

Moog RK621661 Rear Right Upper Control Arm

Moog RK621661 is a rear right upper suspension control arm and ball joint assembly built for the 2009-2012 Ford Escape and 2009-2011 Mercury Mariner. It uses a stamped steel arm with rubber bushings, a press-in ball joint, and corrosion-focused construction for a direct OE-style suspension repair.

Key Features

• Fits 2009-2012 Ford Escape, rear right upper
• Fits 2009-2011 Mercury Mariner, rear right upper
• Stamped steel control arm for structural strength
• Pre-greased with a grease fitting included
• Rubber bushings included for suspension isolation
• Press-in ball joint with threaded stud design
• Mounting hardware included
• Black finish for added corrosion protection
• Moog RK621661 is a direct replacement for the rear right upper suspension position

Detailed Description

Moog RK621661 is engineered as a suspension control arm and ball joint assembly for rear right upper applications on the Ford Escape and Mercury Mariner. The stamped steel arm provides a rigid foundation, while the rubber bushings help maintain proper suspension movement and reduce harshness. With a pre-greased design, included grease fitting, and press-in ball joint construction, this assembly supports a serviceable OE replacement for vehicles that need rear suspension restoration. This part cross-references Dorman OE Solutions 521-960 for the same application. If you are searching for a Ford Escape rear right upper control arm or a Mercury Mariner rear right upper control arm, RK621661 is the correct fitment-focused choice.

Common Repair Uses

• Rear suspension noise from worn bushings or ball joint wear
• Loose or unstable rear handling on Ford Escape or Mercury Mariner
• Uneven rear tire wear caused by suspension geometry issues
• Clunking or knocking from the rear right upper suspension area
• Restoring OE-style rear suspension control and alignment support

Installation Notes and Tips

Verify rear right upper fitment before installation on 2009-2012 Ford Escape and 2009-2011 Mercury Mariner models. The press-in ball joint design requires proper service tools and correct installation procedures. Inspect related rear suspension components, fasteners, and mounting points before assembly. After installation, perform a wheel alignment check to confirm suspension geometry.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, making RK621661 a dependable OE-style replacement for the rear suspension. Moog RK621661 is built for foreign and domestic nameplates with attention to fit, serviceability, and long-term durability.