Dorman 521-253 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Rearward

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-253 suspension control arm and ball joint assembly is engineered for reliable performance in Audi and Porsche vehicles. Designed to meet regular suspension grade requirements, this assembly ensures stable handling and improved ride quality for models like the Audi A4, A5, A6, and Porsche Macan.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Steel construction with casting/forged control arm type
• Press-in ball joint with threaded stud (14 mm diameter, 42 mm length)
• Compatible with multiple Audi and Porsche models including A4 Quattro, RS5, Q5, and RS7

Technical Specifications and Features

This suspension control arm assembly features a black steel control arm with a maximum length of 237 mm and width of 288.5 mm, designed for light suspension grade applications. The included ball joint is installed and press-fitted, eliminating the need for additional grease fittings. Rubber bushings provide vibration dampening and durability, while the single mounting hole (12.3 mm diameter) simplifies installation. The assembly is not adjustable or greaseable but comes with all necessary mounting hardware for a secure fit.

Compatible Vehicles and Applications

The Dorman 521-253 is compatible with a range of Audi and Porsche models, including:

• Audi A4, A4 allroad, A4 Quattro
• Audi A5, A5 Quattro
• Audi A6, A6 Quattro
• Audi A7, A7 Quattro
• Audi allroad, RS5, RS7, S4, S5, S6, S7, SQ5
• Porsche Macan, Q5

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling
• Ball joint wear leading to steering instability
• Excessive suspension noise or vibration
• Misalignment due to faulty suspension components
• Reduced ride comfort and control

Installation Notes and Tips

Installation of the Dorman 521-253 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and press-fitted, no additional greasing or ball joint replacement is necessary. Ensure all mounting hardware is securely tightened to manufacturer torque specifications. This assembly is designed for direct replacement and is not adjustable, so alignment checks after installation are recommended.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for durability and fitment. The 521-253 assembly undergoes rigorous quality control to ensure reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.