Dorman 522-139 Suspension Control Arm - Front Left Lower

Reliable Suspension Control Arm for Mercedes-Benz ML Series

The Dorman 522-139 suspension control arm is engineered to restore precise handling and stability for your Mercedes-Benz ML55 AMG, ML320, ML350, ML430, or ML500. Designed with durable steel construction and a coated finish, this control arm offers dependable performance for your vehicle's suspension system.

• Constructed from high-strength steel with casting and forging for durability
• Includes a black rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter
• Overall length of 262.5 mm ensures proper fitment for specified Mercedes-Benz ML models
• Features a welded ball joint mounting type with a threaded stud (ball joint not included)
• Coated finish provides corrosion resistance for extended service life
• Press-in end type with bushing linkage end for secure installation
• Comes with one rubber bushing included; mounting hardware and ball joint are not included

Durable Construction and Precise Fitment

The Dorman 522-139 suspension control arm is crafted from steel using a combination of casting and forging processes to ensure strength and reliability under demanding driving conditions. The black coated finish helps resist corrosion, maintaining the integrity of the control arm over time. This control arm includes a single rubber bushing designed to absorb vibrations and reduce noise, improving ride quality. Its 262.5 mm length and specific bushing dimensions make it compatible with various Mercedes-Benz ML models, including the ML55 AMG, ML320, ML350, ML430, and ML500. The welded ball joint mounting type with a threaded stud allows for secure attachment, although the ball joint itself is not included with this part.

Compatible Mercedes-Benz ML Models and Applications

• Mercedes-Benz ML55 AMG suspension repair and maintenance
• Replacement for worn or damaged control arms on ML320, ML350, ML430, and ML500
• Restores proper suspension geometry and vehicle handling
• Addresses issues such as uneven tire wear, steering instability, and suspension noise
• Improves overall ride comfort and safety by maintaining suspension alignment

Installation Notes and Tips

Installation of the Dorman 522-139 control arm requires basic suspension knowledge and appropriate tools. Since the ball joint is not included, ensure your existing ball joint is in good condition or replace it separately. The control arm features a press-in end and a bushing linkage end, so proper pressing tools may be necessary for bushing installation or removal. Verify compatibility with your specific Mercedes-Benz ML model before installation. It is recommended to have a professional alignment performed after replacing suspension components to maintain optimal handling and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 522-139 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.