Dorman 522-551 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 522-551 suspension control arm and ball joint assembly is designed specifically for Infiniti M35 and M45 models. This pre-greased, aluminum control arm assembly offers a reliable replacement option for light suspension grade applications, ensuring proper vehicle handling and alignment.

• Pre-greased for immediate use
• Includes rubber bushings for vibration dampening
• Aluminum control arm with casting/forged construction
• Press-in ball joint with threaded stud included and installed
• Compatible with Infiniti M35 and M45 models
• Mounting hardware included for straightforward installation
• Control arm dimensions: maximum width 288.5 mm, maximum length 237 mm
• Single mounting hole with 12.3 mm diameter

Detailed Product Description

The Dorman 522-551 suspension control arm and ball joint assembly is engineered to meet the suspension needs of Infiniti M35 and M45 vehicles. Constructed from durable aluminum with a casting and forging process, this control arm provides strength while maintaining a lightweight profile. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to reduce noise and absorb road vibrations, contributing to a smoother ride. The ball joint is press-in mounted and features a threaded stud with a 14 mm thread diameter, ensuring secure attachment and reliable steering response. Finished in black, the control arm is designed for a regular suspension grade type with a light suspension application in mind.

Common Applications and Problem Resolution

• Replacement for worn or damaged suspension control arms on Infiniti M35 and M45
• Addresses issues with uneven tire wear caused by faulty control arms
• Resolves steering instability or excessive play in the front suspension
• Eliminates clunking noises from worn ball joints or bushings
• Improves vehicle alignment and handling performance

Installation Notes and Tips

Installation of the Dorman 522-551 control arm and ball joint 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 immediate installation. Ensure the mounting hole aligns properly with the vehicle’s frame and torque all fasteners to manufacturer specifications. Although mounting hardware is included, verify compatibility with your specific Infiniti M35 or M45 model year. It is recommended to perform a wheel alignment after installation to maintain proper suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 522-551 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their suspension parts. Consult product documentation or the manufacturer for exact warranty terms.