Dorman 526-689 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Dorman 526-689 Front Left Upper Control Arm

Dorman 526-689 is a direct replacement suspension control arm and ball joint assembly for select INFINITI applications. It is built for the front left upper position and engineered to restore smooth ride quality, directional stability, and predictable steering response.

Key Features

• Direct replacement for the original equipment control arm and ball joint assembly
• Fits the front left upper suspension position on select INFINITI Q70, Q70L, M35h, M37, and M56 models
• Aluminum control arm construction with casting/forged design
• Pre-greased assembly with ball joint, bushings, dust boot, castle nut, locking nut, and mounting hardware
• Machined ball joint mounting with pinch-style stud type
• Uncoated finish and black bushings
• Clockwise right-hand thread direction

Detailed Description

This Dorman suspension control arm and ball joint assembly is built for direct OE-style replacement on 2011-2013 INFINITI M37, 2011-2013 INFINITI M56, 2012-2013 INFINITI M35h, 2014-2019 INFINITI Q70, and 2015-2019 INFINITI Q70L in the front left upper position. The aluminum construction and standard replacement grade support suspension geometry, while the pre-greased design helps simplify service. Part number 526-689 is a practical choice when replacing a worn upper control arm on an INFINITI Q70 or M-series vehicle.

This part cross-references Mevotech Supreme CMS301249 for the same application.

What It Helps Address

• Front-end clunking or looseness from a worn upper control arm
• Uneven tire wear caused by suspension geometry issues
• Steering wander or reduced directional stability
• Ball joint play in the front left upper suspension
• Ride quality changes from deteriorated bushings or joint wear

Installation Notes and Tips

Install in the front left upper position only. Verify thread direction, mounting hole count, and vehicle application before service. Because this assembly includes a pre-greased ball joint and related components, it is ready for installation once the original part is removed and the mounting points are inspected. A professional alignment is recommended after replacement to confirm suspension angles and steering response.

Quality Assurance

Dorman designs this control arm and ball joint assembly as a direct replacement for specific OE applications, with an evaluation process focused on ride smoothness, directional stability, and predictable handling. Part number 526-689 is built to meet standard replacement needs for select INFINITI front suspension service.