Dorman 521-960 Suspension Control Arm and Ball Joint Assembly - Rear Right Upper

Dorman 521-960 Rear Right Upper Control Arm

Dorman 521-960 is a direct replacement suspension control arm and ball joint assembly for specific Ford, Mazda, and Mercury rear suspension applications. It is built to restore smooth ride quality, directional stability, and predictable handling on vehicles such as the Ford Escape, Mazda Tribute, and Mercury Mariner.

Key Features

• Direct replacement for the original equipment control arm and ball joint assembly
• Fits rear right upper suspension positions on select 2009-2012 Ford Escape, 2009-2011 Mazda Tribute, and 2009-2011 Mercury Mariner models
• Stamped steel control arm construction with black finish
• Ball joint is installed and press-in style with threaded stud
• Pre-greased with grease fitting included for serviceability
• Includes rubber bushings and mounting hardware
• Light suspension grade type for OE-style replacement needs

Detailed Description

This Dorman suspension control arm and ball joint assembly is engineered as an OE-style replacement for the rear right upper position. The stamped steel arm, rubber bushings, and installed ball joint are selected to match the original suspension layout and help maintain consistent alignment behavior. For drivers searching for a rear right upper control arm for Ford Escape, Mazda Tribute, or Mercury Mariner models, Dorman 521-960 provides a direct-fit repair solution. This part cross-references MOOG Chassis Products RK621457 for the same application.

What It Helps Address

• Clunking or looseness from a worn rear upper control arm
• Uneven tire wear related to suspension wear
• Reduced directional stability in the rear suspension
• Ball joint play or binding at the rear right upper location
• Handling inconsistency caused by deteriorated bushings

Installation Notes and Tips

Compatible with 2009-2012 Ford Escape, rear right upper; 2009-2011 Mazda Tribute, rear right upper; and 2009-2011 Mercury Mariner, rear right upper. Verify the vehicle’s suspension layout and position before installation. Because the ball joint is already installed, this assembly is suited for replacing the complete upper control arm rather than servicing individual components. Confirm fastener condition and alignment settings during reassembly.

Quality Assurance

Dorman uses an industry-focused evaluation process to help ensure the replacement assembly supports smooth ride quality, directional stability, and predictable suspension dynamics. The pre-greased design and included grease fitting support routine service after installation.