Dorman 521-529 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-529 suspension control arm and ball joint assembly is designed specifically for Saab 9-5 models. This assembly combines a durable steel control arm with a ball joint to restore proper suspension function and vehicle handling.

• Pre-greased control arm for immediate use
• Includes rubber bushings and mounting hardware
• Bolt-in ball joint with pinch stud type
• Steel casting/forged control arm construction in black finish
• Compatible with Saab 9-5 suspension systems

Detailed Product Features and Specifications

This Dorman suspension control arm and ball joint assembly (part number 521-529) features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from steel using casting and forging methods, ensuring strength and durability. It comes pre-greased, eliminating the need for immediate lubrication, although it does not include a grease fitting. The assembly includes rubber bushings to absorb vibrations and reduce noise, and mounting hardware is provided for a complete installation. The ball joint is a bolt-in type with a pinch stud and a 14 mm thread diameter, designed for secure attachment. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole of 12.3 mm diameter.

Compatible Vehicles and Application

This suspension control arm and ball joint assembly is compatible with Saab 9-5 models. It is engineered to replace worn or damaged suspension components, restoring proper alignment and handling characteristics.

• Corrects suspension noise and vibration issues
• Resolves uneven tire wear caused by faulty control arms
• Improves steering response and vehicle stability
• Eliminates looseness or play in the front suspension
• Restores proper ball joint function for safe operation

Installation Notes and Tips

Installation of the Dorman 521-529 control arm and ball joint assembly requires basic suspension repair tools. Since the ball joint is not pre-installed, it must be mounted during installation. The included mounting hardware simplifies the process. Ensure all bolts are torqued to manufacturer specifications. The pre-greased control arm reduces initial maintenance, but periodic inspection of bushings and ball joints is recommended for long-term performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. This suspension control arm and ball joint assembly undergoes quality checks to ensure durability and reliability. While specific warranty details are not provided here, Dorman typically offers limited warranties on their suspension components. Refer to official Dorman documentation for exact warranty terms.