Dorman 520-505 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly for Nissan 240SX

The Dorman 520-505 suspension control arm and ball joint assembly is engineered to restore precise handling and suspension performance for your Nissan 240SX. Designed with quality steel construction and pre-greased components, this assembly ensures reliable operation and long service life.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Steel control arm with casting/forged construction for strength and durability
• Press-in ball joint with threaded stud, installed and ready to use
• Compatible with Nissan 240SX models requiring a light suspension grade type

Product Features and Specifications

This Dorman suspension control arm and ball joint assembly (part number 520-505) is designed specifically for Nissan 240SX vehicles. The control arm is made from durable steel with a black finish, measuring a maximum length of 237 mm and width of 288.5 mm. It features a single mounting hole with a diameter of 12.3 mm, and includes rubber bushings to absorb road vibrations and improve ride quality. The ball joint is press-in mounted with a 14 mm threaded stud, pre-installed and pre-greased to reduce maintenance needs. Mounting hardware is included to facilitate a straightforward installation process.

Common Applications and Problem Resolution

• Restores proper suspension geometry and alignment on Nissan 240SX
• Eliminates clunking or knocking noises caused by worn control arms or ball joints
• Improves steering response and vehicle stability
• Replaces damaged or corroded suspension components
• Addresses uneven tire wear related to suspension issues

Installation Notes and Tips

Before installation, verify compatibility with your Nissan 240SX model year and suspension setup. The assembly comes pre-greased and includes all necessary bushings and mounting hardware, simplifying the replacement process. Use proper tools to press out the old ball joint if necessary, and torque all fasteners to manufacturer specifications. Since this control arm is not adjustable, ensure alignment is checked and corrected after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-505 control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.