Dorman 520-181 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-181 suspension control arm and ball joint assembly is engineered for reliable performance in Chevrolet and GMC trucks and SUVs. Designed to meet regular suspension grade requirements, this assembly offers a pre-greased, bolt-in solution for models like the Chevrolet Blazer and GMC Jimmy.

• Pre-greased control arm and ball joint for immediate use
• Includes rubber bushings and mounting hardware for complete installation
• Steel construction with casting/forged control arm type for durability
• Bolt-in ball joint with threaded stud for secure mounting
• Compatible with Chevrolet and GMC models including Blazer, C10, K5 Blazer, and Suburban variants

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-181) is designed with a steel control arm featuring a black finish and a maximum length of 237 mm and width of 288.5 mm. The assembly includes rubber bushings to absorb road vibrations and reduce noise. The ball joint is pre-installed and features a threaded stud with a 14 mm thread diameter, mounted via a bolt-in method for secure attachment. Mounting hardware is included, and the assembly has one mounting hole with a diameter of 12.3 mm. This light suspension grade component is intended for regular use and is not adjustable.

Compatible Vehicles and Applications

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

• Chevrolet Blazer, C10, C10 Suburban, C1500, C1500 Suburban
• GMC G10, G20, Jimmy, K5 Blazer
• Chevrolet and GMC P10, P1500, R10, R10 Suburban, R1500, R1500 Suburban

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Ball joint wear leading to uneven tire wear or clunking noises
• Loose or faulty ball joint mounting affecting vehicle alignment
• Corroded or weakened control arm compromising suspension integrity
• Vibration and noise from deteriorated suspension components

Installation Notes and Tips

Installation of the Dorman 520-181 assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, no additional lubrication is necessary before installation. Ensure the mounting hole aligns properly with the vehicle frame and torque all bolts to manufacturer specifications. This assembly is a direct bolt-in replacement and does not require adjustment after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 520-181 control arm and ball joint assembly undergoes quality inspections to ensure durability and performance. While specific warranty details vary, Dorman typically offers limited warranties covering defects in materials and workmanship.