Dorman 521-438 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-438 suspension control arm and ball joint assembly is engineered for reliable performance on Dodge and Mercedes-Benz Sprinter models. Designed to meet regular suspension grade requirements, this assembly ensures proper vehicle handling and stability.

• 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 Sprinter, Sprinter 2500, and Sprinter 3500 models

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 521-438) features a black steel control arm with a maximum width of 288.5 mm and length of 237 mm. The assembly includes rubber bushings to absorb vibrations and reduce noise, enhancing ride comfort. The ball joint is pre-installed and pre-greased, eliminating the need for additional lubrication during installation. The ball joint stud has a 14 mm threaded diameter and mounts via a press-in method, ensuring a secure fit. One mounting hole with a diameter of 12.3 mm is included, along with all necessary mounting hardware for straightforward replacement.

Compatible Vehicles and Applications

This Dorman suspension control arm and ball joint assembly is specifically designed for use on Dodge and Mercedes-Benz Sprinter vans, including Sprinter 2500 and Sprinter 3500 models. It is suitable for light suspension grade applications, making it an appropriate choice for regular driving conditions and load requirements.

• Restores proper suspension geometry and alignment
• Eliminates clunking or knocking noises from worn control arms or ball joints
• Improves steering response and vehicle stability
• Reduces uneven tire wear caused by suspension play
• Addresses vibration and handling issues related to damaged bushings

Installation Notes and Tips

Before installation, verify vehicle compatibility with the part number 521-438. The assembly comes pre-greased and includes all necessary mounting hardware, simplifying the replacement process. Use appropriate tools to press out the old ball joint and control arm, and torque mounting bolts to manufacturer specifications. Since the control arm is not adjustable, ensure proper alignment is performed after installation to maintain optimal suspension performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-438 suspension control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and reliability. This part is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship under normal use.