Dorman 520-540 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly for Nissan Altima

The Dorman 520-540 suspension control arm and ball joint assembly is engineered to restore precise steering and suspension performance for Nissan Altima models. 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 design for strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Nissan Altima suspension systems requiring a light suspension grade type

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-540) is constructed from durable steel with a black finish to resist corrosion. The assembly includes rubber bushings that absorb road vibrations and reduce noise, enhancing ride comfort. The ball joint is pre-installed and press-fitted, featuring a threaded stud with a 14 mm diameter for secure attachment. 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. This assembly is designed for light suspension grade applications and comes with all necessary mounting hardware for straightforward installation.

Compatible Nissan Altima Models

This Dorman suspension control arm and ball joint assembly is specifically compatible with Nissan Altima vehicles requiring a light suspension grade control arm. Ensure fitment by verifying your vehicle’s suspension specifications and part requirements before installation.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Corroded or bent control arms affecting suspension alignment
• Excessive vibration or noise from suspension components
• Reduced handling performance due to compromised suspension parts

Installation Notes and Tips

Installation of the Dorman 520-540 assembly requires basic suspension repair tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for immediate installation. Verify torque specifications for mounting hardware and ensure proper alignment after installation. This part is not adjustable, so precise fitment is essential for optimal suspension performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-540 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation for exact warranty terms.