Dorman 522-561 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 522-561 suspension control arm and ball joint assembly is engineered for reliable performance in INFINITI M35 and M45 models. Designed with durable materials and pre-greased components, this assembly supports smooth suspension operation and vehicle handling.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete replacement
• Aluminum control arm with a black finish for corrosion resistance
• Press-in ball joint with threaded stud for secure fitment
• Compatible with INFINITI M35 and M45 suspension systems

Detailed Product Features and Specifications

This suspension control arm and ball joint assembly (part number 522-561) features a casting/forged aluminum control arm designed for light suspension grade applications. The assembly comes pre-greased and includes rubber bushings to absorb road vibrations and improve ride quality. The ball joint is installed and features a press-in mounting type with a 14 mm threaded stud, ensuring a secure and precise fit. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole of 12.3 mm diameter. Mounting hardware is included to facilitate installation.

Compatible Vehicles and Application

This Dorman suspension control arm and ball joint assembly is compatible with the following vehicles:

• INFINITI M35
• INFINITI M45

It is designed to replace worn or damaged suspension components, restoring proper alignment and handling characteristics specific to these models.

Common Suspension Issues Addressed

• Excessive play or looseness in the suspension control arm
• Worn or damaged ball joints causing steering instability
• Noise or vibration from deteriorated bushings
• Uneven tire wear due to suspension misalignment
• Reduced vehicle handling and ride comfort

Installation Notes and Tips

Installation of the Dorman 522-561 assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for direct replacement. Ensure the mounting hole aligns correctly with the vehicle’s frame and torque all hardware to manufacturer specifications. Although grease fittings are not included, the pre-greased components reduce the need for immediate lubrication after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 522-561 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product is backed by Dorman’s limited warranty, providing coverage against defects in materials and workmanship under normal use.