Dorman 520-517 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-517 suspension control arm and ball joint assembly is designed for reliable performance on select INFINITI and Nissan vehicles. Engineered with pre-greased components and included bushings, this assembly supports smooth suspension operation and vehicle stability.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings and mounting hardware for a complete installation
• Steel construction with casting/forged control arm for strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with INFINITI I30, I35 and Nissan Maxima models

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-517) features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from steel with a black finish, measuring a maximum length of 237 mm and width of 288.5 mm. It includes one mounting hole with a diameter of 12.3 mm, and the ball joint is installed and ready to use. Rubber bushings are included to reduce vibration and noise, enhancing ride comfort. The ball joint mounting type is press-in, with a threaded stud diameter of 14 mm, ensuring a secure fit.

Compatible Vehicles and Applications

This assembly is compatible with the following vehicles:

• INFINITI I30
• INFINITI I35
• Nissan Maxima

It is designed to replace worn or damaged suspension control arms and ball joints, restoring proper suspension geometry and handling characteristics.

Common Suspension Issues Addressed

• Excessive play or looseness in the suspension control arm
• Worn or damaged ball joints causing steering instability
• Unusual noises from suspension components
• Uneven tire wear due to misaligned suspension
• Reduced ride comfort and handling performance

Installation Notes and Tips

The Dorman 520-517 assembly comes pre-greased and includes all necessary bushings and mounting hardware for straightforward installation. No grease fitting is included, so no additional lubrication is required during installation. The control arm is non-adjustable and designed for direct replacement. It is recommended to have a professional alignment performed after installation to ensure proper suspension geometry and vehicle handling.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. This control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.