Dorman 524-099 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 524-099 suspension control arm and ball joint assembly is engineered for reliable performance in Infiniti FX35, FX37, FX50, and QX70 models. Designed with quality materials and pre-greased components, this assembly helps maintain proper suspension geometry and vehicle handling.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings for vibration dampening
• Aluminum control arm with casting/forged construction for strength and lightweight durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Infiniti FX35, FX37, FX50, and QX70 suspension systems

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 524-099) features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from aluminum, providing a balance of strength and weight savings. It comes pre-greased and includes rubber bushings to reduce noise and absorb road vibrations. The ball joint is press-in mounted with a threaded stud type, ensuring a secure fit. The assembly is finished in black and includes mounting hardware for installation. Key dimensions include a maximum control arm width of 288.5 mm and length of 237 mm, with a mounting hole diameter of 12.3 mm.

Compatible Infiniti Models and Applications

This Dorman suspension control arm and ball joint assembly is specifically designed for use with the following Infiniti vehicles:

• Infiniti FX35
• Infiniti FX37
• Infiniti FX50
• Infiniti QX70

It is ideal for replacing worn or damaged suspension components to restore proper steering and handling characteristics.

Common Suspension Issues Addressed

• Excessive play or looseness in the front suspension
• Uneven tire wear caused by misaligned control arms
• Clunking or knocking noises during driving over bumps
• Reduced steering responsiveness or stability
• Vibration or harshness transmitted through the suspension

Installation Notes and Tips

Before installation, verify compatibility with your Infiniti FX35, FX37, FX50, or QX70 model year and suspension setup. The assembly comes pre-greased and includes bushings and mounting hardware, simplifying the replacement process. Use proper tools to press in the ball joint and torque mounting bolts to manufacturer specifications. It is recommended to have a professional alignment performed after installation to ensure optimal suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 524-099 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details are not provided, Dorman typically offers limited warranties covering defects in materials and workmanship.