Dorman 522-988 Suspension Control Arm and Ball Joint Assembly - Rear Lower Center

Durable Suspension Control Arm and Ball Joint Assembly for Porsche

The Dorman 522-988 suspension control arm and ball joint assembly is engineered for reliable performance in Porsche 911, Boxster, and Cayman models. Designed as a standard replacement part, it offers a pre-greased, bolt-on solution to maintain your vehicle's suspension integrity.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings and mounting hardware for a complete installation
• Constructed from lightweight aluminum with a clear finish for corrosion resistance
• Threaded ball joint stud with a 12 mm thread diameter, installed and ready
• Two mounting holes with 14.2 mm diameter for secure attachment
• Standard replacement grade suspension component suitable for light suspension loads

Product Details and Specifications

This Dorman suspension control arm and ball joint assembly (part number 522-988) is designed specifically for Porsche 911, Boxster, and Cayman vehicles. The control arm is made from forged and cast aluminum, providing a balance of strength and reduced weight. It features rubber bushings to absorb vibrations and reduce noise, enhancing ride comfort. The ball joint comes pre-installed and pre-greased, eliminating the need for immediate maintenance after installation. The assembly is a bolt-on type with two mounting holes, each 14.2 mm in diameter, ensuring a secure fit. The control arm measures up to 359.94 mm in length and 95.36 mm in width, matching OEM specifications for proper suspension geometry.

Common Applications and Problem Resolution

• Replacement for worn or damaged suspension control arms on Porsche 911, Boxster, and Cayman
• Addresses issues with suspension noise caused by deteriorated bushings
• Restores proper wheel alignment and handling performance
• Eliminates excessive play or looseness in the suspension system
• Improves ride quality by maintaining correct suspension articulation

Installation Notes and Tips

Installation of the Dorman 522-988 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary during assembly. Ensure the mounting holes align correctly with the vehicle’s frame and suspension components. Torque all bolts to manufacturer specifications to maintain safety and performance. This part is not adjustable, so proper alignment should be verified after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 522-988 control arm and ball joint assembly undergoes rigorous quality control to ensure durability and reliability. This part is backed by Dorman’s standard warranty coverage, providing confidence in its long-term performance for Porsche 911, Boxster, and Cayman vehicles.