Dorman 520-281 Suspension Control Arm and Ball Joint Assembly - Rear Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-281 suspension control arm and ball joint assembly is engineered for reliable performance in Ford Escape, Mazda Tribute, and Mercury Mariner vehicles. Designed with pre-greased components and included bushings, this assembly ensures smooth suspension operation and improved vehicle handling.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings for vibration dampening
• Steel control arm with casting/forged construction for strength
• Ball joint installed with threaded stud for secure mounting
• Mounting hardware included for straightforward installation
• Compatible with Ford Escape, Mazda Tribute, and Mercury Mariner models

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 up to 288.5 mm in width and 237 mm in length. The assembly includes a press-in ball joint with a 14 mm threaded stud and a 12.3 mm mounting hole diameter. Rubber bushings are integrated to reduce noise and absorb road shocks, enhancing ride comfort. The package contains all necessary mounting hardware, allowing for a complete replacement in one installation.

Compatible Vehicles and Applications

The Dorman 520-281 is specifically designed for use with the following vehicles:

• Ford Escape
• Mazda Tribute
• Mercury Mariner

This part is ideal for addressing suspension issues related to control arm wear or ball joint failure in these models, ensuring proper wheel alignment and suspension geometry.

Common Suspension Issues Addressed

• Excessive play or looseness in the suspension control arm
• Worn or damaged ball joints causing steering instability
• Noise or vibration from deteriorated bushings
• Uneven tire wear due to suspension misalignment
• Reduced handling performance and ride comfort

Installation Notes and Tips

Installation of the Dorman 520-281 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for immediate installation. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Torque all mounting hardware to manufacturer specifications. Alignment check and adjustment are recommended after installation to maintain proper suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-281 assembly undergoes rigorous quality control to ensure durability and fitment accuracy. This part comes with a limited warranty covering defects in materials and workmanship, providing confidence in its long-term performance.