Dorman 520-118 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-118 suspension control arm and ball joint assembly is engineered for reliable performance in select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed to restore proper suspension function, this assembly comes pre-greased and includes all necessary mounting hardware for a straightforward replacement.

• Pre-greased control arm and ball joint for immediate use
• Includes rubber bushings and mounting hardware
• Steel construction with casting/forged control arm type
• Press-in ball joint with threaded stud for secure fitment
• Compatible with multiple GM models including Buick LeSabre, Chevrolet Impala, and Pontiac Firebird

Product Features and Specifications

This suspension control arm and ball joint assembly features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from durable steel with a black finish, measuring a maximum length of 237 mm and width of 288.5 mm. It includes one mounting hole with a diameter of 12.3 mm, and the ball joint is installed with a 14 mm threaded stud for secure attachment. Rubber bushings are included to reduce vibration and noise, enhancing ride comfort. The assembly is not adjustable but comes with all necessary mounting hardware for installation.

Compatible Vehicles and Applications

This Dorman 520-118 assembly is compatible with a range of GM vehicles, including Buick models like the LeSabre and Century, Cadillac DeVille and Fleetwood, Chevrolet Caprice and Camaro, Oldsmobile Delta 88 and Cutlass, as well as Pontiac Firebird and Bonneville. It is designed to replace worn or damaged suspension components to restore proper steering and handling characteristics.

Common Suspension Issues Addressed

• Excessive play or looseness in the front suspension
• Uneven tire wear caused by worn control arm bushings
• Clunking or knocking noises during driving over bumps
• Poor steering response or alignment problems
• Vibration or instability at higher speeds

Installation Notes and Tips

Installation of the Dorman 520-118 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is press-in type with a threaded stud, ensure proper torque specifications are followed during installation. The assembly comes pre-greased, so additional lubrication is not necessary. Verify compatibility with your specific vehicle model and year before installation to ensure proper fitment.

Quality Assurance and Warranty

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