Dorman 521-998 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly for Mazda 3

The Dorman 521-998 suspension control arm and ball joint assembly is designed specifically for Mazda 3 and Mazda 3 Sport models. This pre-greased, steel control arm assembly offers reliable suspension performance with included bushings and mounting hardware for a straightforward replacement.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings to reduce vibration and noise
• Steel construction with casting/forged control arm for strength and durability
• Ball joint installed with pinch stud type and press-in mounting
• Mounting hardware included for complete installation
• Compatible with Mazda 3 and Mazda 3 Sport models

Product Features and Specifications

The Dorman 521-998 control arm assembly features a light suspension grade type suitable for regular driving conditions. The control arm measures a maximum length of 237 mm and a maximum width of 288.5 mm, finished in black for corrosion resistance. It includes one mounting hole with a diameter of 12.3 mm. The ball joint has a 14 mm thread diameter and is installed and ready for use. Rubber bushings are included to provide effective suspension damping, and the assembly comes with all necessary mounting hardware for a complete replacement.

Compatible Vehicles and Application

This suspension control arm and ball joint assembly is compatible with Mazda 3 and Mazda 3 Sport models. It is designed to replace worn or damaged control arms in these vehicles, restoring proper suspension geometry and handling characteristics.

• Eliminates suspension noise caused by worn bushings or ball joints
• Restores proper wheel alignment and steering response
• Addresses uneven tire wear due to faulty control arm components
• Improves vehicle stability and ride comfort
• Prevents further suspension damage by replacing compromised parts

Installation Notes and Tips

Installation of the Dorman 521-998 control arm assembly requires basic suspension repair tools. Since the ball joint is pre-installed and the control arm is pre-greased, no additional lubrication is necessary during installation. Ensure the mounting hole aligns correctly with the vehicle frame and torque all fasteners to manufacturer specifications. It is recommended to have a professional alignment performed after installation to maintain optimal handling and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 521-998 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This product includes a limited warranty against defects in materials and workmanship, providing confidence in your suspension repair.