Dorman 521-490 Suspension Control Arm - Rear Right Upper Rearward

Durable Aluminum Suspension Control Arm for Mercedes-Benz

The Dorman 521-490 suspension control arm is engineered to provide reliable performance for select Mercedes-Benz models. Designed with a coated aluminum construction and rubber bushings, this control arm offers a balance of strength and flexibility for your vehicle's suspension system.

• Constructed from durable aluminum with a coated finish for corrosion resistance
• Includes a black rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter
• Overall length of 262.5 mm for precise fitment
• Welded ball joint mounting type with threaded ball joint stud (ball joint not included)
• Press-in end type with bushing linkage end for secure suspension connection

Technical Details and Construction

This suspension control arm features a casting and forged aluminum construction, providing a lightweight yet sturdy component for your Mercedes-Benz CL63 AMG, CL500, CL550, S63 AMG, S350, S400, S450, S500, or S550. The black coated finish helps protect against environmental wear, while the included rubber bushing absorbs vibrations and reduces noise. The welded ball joint mounting type ensures a solid connection point, although the ball joint itself is not included with this part.

Compatible Mercedes-Benz Models

This Dorman suspension control arm (part number 521-490) is compatible with a range of Mercedes-Benz vehicles, including the CL63 AMG, CL500, CL550, S63 AMG, S350, S400, S450, S500, and S550 models. Ensure proper fitment by verifying your vehicle's specifications before purchase.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing suspension noise or vibration
• Loose or unstable suspension leading to poor handling
• Corroded or weakened control arm compromising vehicle safety
• Misalignment issues affecting tire wear and steering response
• Replacement of factory control arm components for maintenance or repair

Installation Notes and Tips

Installation of the Dorman 521-490 control arm requires removal of the old control arm and proper alignment of the new part. Note that this control arm does not include a ball joint or mounting hardware, so these components must be sourced separately if needed. Use appropriate tools to press in the bushing and secure the control arm to the suspension assembly. Professional installation is recommended to ensure correct fitment and alignment.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for durability and performance. The 521-490 control arm undergoes rigorous quality checks to ensure reliability. While specific warranty details are not provided, Dorman typically offers limited warranties on their suspension parts. Verify warranty coverage with the supplier or manufacturer prior to installation.