Dorman 520-135 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-135 suspension control arm and ball joint assembly is engineered for reliable performance in Chevrolet, GMC, and Isuzu vehicles. Designed specifically for models like the Chevrolet S10, GMC Jimmy, and Isuzu Hombre, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Steel construction with casting/forged control arm for strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Chevrolet Blazer, GMC Sonoma, and Isuzu S15 models

Product Features and Specifications

The Dorman 520-135 control arm assembly 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 a width of 288.5 mm. It includes one mounting hole with a diameter of 12.3 mm, and the ball joint is pre-installed with a 14 mm threaded stud for easy attachment. Rubber bushings are included to reduce vibration and noise, enhancing ride comfort. Mounting hardware is also provided to facilitate a straightforward installation process.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with a range of Chevrolet, GMC, and Isuzu models, including:

• Chevrolet S10 and S10 Blazer
• GMC Jimmy and Sonoma
• Isuzu Hombre and S15 Jimmy

Part number 520-135 is designed to meet the suspension needs of these vehicles, ensuring proper alignment and handling characteristics.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive play
• Faulty ball joints leading to steering instability
• Uneven tire wear due to suspension misalignment
• Clunking noises from suspension components
• Reduced vehicle handling and ride quality

Installation Notes and Tips

Before installation, verify vehicle compatibility with the Dorman 520-135 part number. The assembly comes pre-greased and includes all necessary mounting hardware, but no grease fitting is included. Use proper tools to press out the old ball joint if necessary, and torque all mounting bolts to manufacturer specifications. Since the control arm is not adjustable, alignment should be checked and corrected after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-135 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This part is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship under normal use.