Dorman 520-151 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Reliable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-151 suspension control arm and ball joint assembly is designed for Saturn SC, SC1, SC2, SL, SL1, SL2, SW1, and SW2 models. This pre-greased, iron control arm with rubber bushings offers a durable solution for maintaining proper suspension geometry and vehicle handling.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete assembly
• Press-in ball joint with threaded stud for secure fitment
• Constructed from forged/cast iron for strength and durability
• Compatible with light suspension grade requirements
• Control arm dimensions: maximum width 288.5 mm, maximum length 237 mm
• Single mounting hole with 12.3 mm diameter
• Black finish for corrosion resistance

Product Details and Specifications

The Dorman 520-151 control arm and ball joint assembly is engineered to meet the suspension needs of various Saturn models including SC, SC1, SC2, SL, SL1, SL2, SW1, and SW2. Featuring a forged and cast iron control arm, this assembly provides structural integrity and long-lasting performance. The ball joint is pre-installed and press-fitted with a threaded stud, ensuring a secure and reliable connection. Rubber bushings are included to absorb vibrations and reduce noise, contributing to a smoother ride. The assembly comes pre-greased, eliminating the need for immediate lubrication after installation. Mounting hardware is included to facilitate a straightforward replacement process.

Common Applications and Problem Solving

• Restores proper suspension alignment and handling
• Replaces worn or damaged control arms and ball joints
• Eliminates clunking noises caused by loose or failing ball joints
• Addresses uneven tire wear due to suspension component failure
• Improves vehicle stability and steering response

Installation Notes and Tips

Installation of the Dorman 520-151 assembly requires basic suspension knowledge and tools. Since the ball joint is press-in type and pre-installed, no separate ball joint replacement is necessary. Ensure the mounting hole aligns correctly with the vehicle’s frame using the included hardware. Although the assembly is pre-greased, inspect the grease condition during installation and add grease if needed. Torque all fasteners to manufacturer specifications to maintain safety and performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-151 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for Saturn SC, SC1, SC2, SL, SL1, SL2, SW1, and SW2 vehicles.