Dorman 524-140 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 524-140 suspension control arm and ball joint assembly is designed for reliable performance in Subaru vehicles including the Baja, Forester, Impreza, Legacy, and Outback models. This pre-greased, stamped steel control arm comes with rubber bushings and a bolt-in ball joint for straightforward installation and long-lasting durability.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete assembly
• Stamped steel control arm with a black finish for corrosion resistance
• Bolt-in ball joint with pinch stud type, installed and ready to fit
• Compatible with Subaru Baja, Forester, Impreza, Legacy, and Outback

Product Features and Specifications

The Dorman 524-140 control arm assembly features a light suspension grade type suitable for regular driving conditions. The stamped steel control arm measures up to 288.5 mm in width and 237 mm in length, providing a precise fit for the specified Subaru models. The assembly includes one mounting hole with a diameter of 12.3 mm and comes with all necessary mounting hardware. The ball joint is installed and features a 14 mm thread diameter with a pinch stud mounting type, ensuring secure attachment and reliable steering response.

Application and Problem Resolution

This suspension control arm and ball joint assembly is used to replace worn or damaged components in the front suspension system of compatible Subaru vehicles. It addresses common issues such as:

• Excessive play or looseness in the suspension
• Uneven tire wear caused by misalignment
• Clunking or knocking noises during driving
• Reduced steering stability and control
• Vibration or harshness over bumps

Installation Notes and Tips

Installation of the Dorman 524-140 assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, the process is simplified. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Torque all mounting hardware to manufacturer specifications and perform a wheel alignment after installation to maintain proper suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 524-140 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term performance for Subaru Baja, Forester, Impreza, Legacy, and Outback vehicles.