Dorman 520-142 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-142 suspension control arm and ball joint assembly is designed for reliable performance in light suspension applications. Pre-greased and equipped with rubber bushings, this assembly is compatible with select Chevrolet, GMC, Isuzu, and Oldsmobile models, including the Blazer, S10, and Sonoma.

• Pre-greased for immediate use
• Includes rubber bushings and mounting hardware
• Steel construction with casting/forged control arm
• Bolt-in ball joint with threaded stud (14 mm thread diameter)
• Compatible with Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, and more

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-142) features a durable steel control arm with a black finish, measuring up to 288.5 mm in width and 237 mm in length. The assembly includes a pre-installed ball joint with a threaded stud and a single mounting hole with a 12.3 mm diameter. Rubber bushings are included to help absorb road vibrations and provide a smoother ride. The assembly is designed for light suspension grade applications and comes with all necessary mounting hardware for a straightforward installation.

Compatible Vehicles and Applications

This Dorman control arm and ball joint assembly is compatible with a range of vehicles, including Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, Oldsmobile Bravada, Chevrolet S10, S10 Blazer, S15, S15 Jimmy, and Sonoma models. It is intended for use in suspension systems requiring a light suspension grade control arm with a bolt-in ball joint mounting type.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling
• Loose or failing ball joints leading to steering instability
• Excessive suspension noise or vibration
• Uneven tire wear due to suspension misalignment
• Corroded or weakened control arm components

Installation Notes and Tips

Installation of the Dorman 520-142 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 bolts to manufacturer specifications. This assembly is not adjustable, so proper fitment verification before installation is recommended.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for durability and performance. The 520-142 control arm and ball joint assembly undergoes rigorous quality checks to ensure reliability. While specific warranty details vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.