Dorman 526-977 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 526-977 suspension control arm and ball joint assembly is engineered for reliable performance in Audi and Volkswagen vehicles. Designed specifically for models like the Audi R32, S3, TT, and TT Quattro, this assembly offers a direct replacement solution to maintain proper suspension geometry and handling.

• Pre-greased for immediate installation
• Includes rubber bushings for vibration dampening
• Iron control arm with casting/forged construction
• Bolt-in ball joint with threaded stud (12mm diameter, 19mm length)
• Compatible with Audi R32, S3, TT, TT Quattro models
• Black finish with 2 mounting holes (12.2 mm diameter)
• Light suspension grade type for regular driving conditions
• Ball joint installed and included in the package

Product Details and Specifications

This suspension control arm and ball joint assembly from Dorman is crafted from durable iron using casting and forging methods to ensure structural integrity. The control arm measures up to 334 mm in length and 284 mm in width, finished in black for corrosion resistance. It features two mounting holes with a diameter of 12.2 mm for secure attachment. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to reduce noise and absorb road vibrations, enhancing ride comfort. The ball joint is bolt-in type with a threaded stud, sized at 12 mm diameter and 19 mm length, and is pre-installed for convenience.

Compatible Vehicles and Applications

This Dorman 526-977 suspension control arm and ball joint assembly is compatible with select Audi and Volkswagen models, including the Audi R32, S3, TT, and TT Quattro. It is designed to replace worn or damaged suspension components, restoring proper wheel alignment and suspension function.

• Corrects suspension misalignment and uneven tire wear
• Eliminates clunking or knocking noises from worn ball joints
• Improves steering response and vehicle stability
• Addresses excessive vibration or harshness in the front suspension
• Restores proper suspension geometry after impact or wear

Installation Notes and Tips

Installation requires removal of the old control arm and ball joint assembly. Since this part is pre-greased and includes bushings and a pre-installed ball joint, it simplifies the replacement process. Use appropriate torque specifications for the 2 mounting bolts and ball joint stud to ensure secure fitment. This assembly is not adjustable and does not include mounting hardware, so retain original bolts or source compatible fasteners. Professional installation is recommended to maintain suspension alignment and safety.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 526-977 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Refer to Dorman’s official warranty policy for complete information.