Dorman 520-154 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-154 suspension control arm and ball joint assembly is engineered for reliable performance in select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed to meet regular suspension grade requirements, this assembly offers a pre-greased, bolt-in ball joint for straightforward installation and long-lasting durability.

• Pre-greased ball joint for immediate use
• Includes rubber bushings and mounting hardware
• Steel control arm with casting/forged construction
• Bolt-in, threaded ball joint stud for secure fitment
• Compatible with Buick Achieva, Cadillac Calais, Chevrolet Cavalier, Oldsmobile Cutlass Calais, Pontiac Grand Am, and more

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-154) features a steel control arm with a black finish, measuring up to 288.5 mm in width and 237 mm in length. The assembly includes rubber bushings to absorb road vibrations and reduce noise, enhancing ride quality. The ball joint is installed and pre-greased, eliminating the need for additional lubrication during installation. The bolt-in mounting style with a single 12.3 mm diameter hole simplifies replacement, while the included mounting hardware ensures a complete installation package.

Compatible Vehicles and Applications

This Dorman suspension control arm and ball joint assembly is compatible with a range of GM vehicles, including Buick Achieva, Cadillac Calais, Chevrolet Cavalier, Oldsmobile Cutlass Calais, Pontiac Grand Am, and other models such as the Firenza, J2000 Sunbird, Skyhawk, Skylark, and Corsica. It is designed for light suspension grade use, making it suitable for regular driving conditions on these vehicles.

Common Issues Addressed by This Assembly

• Worn or damaged control arm bushings causing steering instability
• Ball joint wear leading to uneven tire wear or clunking noises
• Loose or broken mounting hardware affecting suspension alignment
• Vibration and noise from deteriorated suspension components
• Difficulty maintaining proper wheel alignment and handling

Installation Notes and Tips

Installation of the Dorman 520-154 control arm and ball joint assembly requires basic suspension tools and mechanical knowledge. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary. Ensure the mounting hole aligns correctly with the vehicle’s frame and torque all bolts to manufacturer specifications. It is recommended to perform a wheel alignment after installation to maintain proper handling and tire wear.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-154 suspension control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation for exact warranty terms.