Dorman 520-318 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-318 suspension control arm and ball joint assembly is engineered for reliable performance in Dodge and Plymouth vans and trucks. Designed to meet regular suspension grade requirements, this assembly ensures stable handling and improved vehicle control.

• 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 Dodge and Plymouth B-series vans and Ram 1500, 2500, 3500 vans

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-318) features a black steel control arm with a maximum width of 288.5 mm and length of 237 mm. The assembly includes a pre-installed ball joint with a 14 mm threaded stud and a 12.3 mm mounting hole diameter. Rubber bushings are included to reduce vibration and noise, while the mounting hardware simplifies installation. The assembly is designed for light suspension grade applications and is not adjustable.

Compatible Vehicles and Applications

This Dorman 520-318 control arm and ball joint assembly is compatible with a range of Dodge and Plymouth models, including B100, B150, B200, B250, B300, B350, B1500, B2500, B3500, PB150, PB250, PB350, and Ram 1500, 2500, and 3500 vans. It is intended for use in suspension systems requiring a reliable replacement part to maintain proper alignment and handling.

Common Issues Addressed by This Assembly

• Worn or damaged control arm bushings causing excessive play
• Faulty ball joints leading to steering instability or noise
• Corroded or bent control arms affecting suspension geometry
• Loose or missing mounting hardware compromising safety
• Premature wear due to lack of lubrication or poor fitment

Installation Notes and Tips

Before installation, verify vehicle compatibility with the Dorman 520-318 part number. The assembly comes pre-greased and includes mounting hardware, but no grease fitting is provided. Use proper tools to press in the ball joint and torque mounting bolts to manufacturer specifications. Inspect surrounding suspension components during installation for additional wear or damage.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-318 assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship.