Dorman 524-143 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 524-143 suspension control arm and ball joint assembly is engineered for reliable performance in Audi and Volkswagen vehicles. Designed to meet suspension grade requirements, this assembly offers a pre-greased, adjustable solution for models including the Audi A3 and Volkswagen Golf.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete installation
• Stamped steel control arm with a black finish for corrosion resistance
• Adjustable design with a single mounting hole (12.3 mm diameter)
• Ball joint installed with a threaded stud and bolt-in mounting type
• Compatible with Audi A3, Volkswagen Beetle, Beetle Cabrio, Clasico, Golf, Golf City, Jetta, and Jetta City

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 524-143) is constructed from stamped steel, providing strength and durability for light suspension grade applications. The control arm measures up to 288.5 mm in width and 237 mm in length, finished in black to resist corrosion. Rubber bushings are included to absorb vibrations and reduce noise, while the ball joint comes pre-installed with a 14 mm threaded stud for secure attachment. The assembly is adjustable and includes all necessary mounting hardware, simplifying the replacement process.

Compatible Vehicles and Applications

This Dorman suspension control arm and ball joint assembly is compatible with a range of Audi and Volkswagen models, specifically designed for:

• Audi A3
• Volkswagen Beetle and Beetle Cabrio
• Volkswagen Clasico
• Volkswagen Golf and Golf City
• Volkswagen Jetta and Jetta City

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Excessive suspension noise or vibrations
• Misalignment issues affecting vehicle handling
• Corrosion or structural damage to existing control arms

Installation Notes and Tips

Installation of the Dorman 524-143 assembly requires basic suspension knowledge and tools. The pre-greased ball joint eliminates the need for additional lubrication during installation. Ensure the mounting hole (12.3 mm diameter) aligns properly with the vehicle’s frame. Since the control arm is adjustable, fine-tune alignment settings after installation to maintain proper suspension geometry. Always torque mounting bolts to manufacturer specifications.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 524-143 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in long-term performance.