Dorman 524-831 Suspension Control Arm - Front Left Lower

Dorman 524-831 Front Left Lower Control Arm

Dorman 524-831 is a steel suspension control arm for select Mercedes-Benz SL-Class models with Active Body Control (ABC). It is precision-engineered and tested as a direct replacement for the original equipment part, with the correct welded ball joint mounting type and rubber bushing design for the specified front left lower position.

Key Features

• Steel construction with a coated black finish for durable suspension service
• Cast/forged construction for OE-style strength and fit
• Includes bushings with rubber bushing material and black bushing color
• Ball joint mounting type is welded with a threaded stud interface
• Direct replacement for the front left lower suspension position
• Compatible with Mercedes-Benz SL550, SL600, SL63 AMG, and SL65 AMG applications listed below

Detailed Description

This suspension control arm is built for the front left lower location on 2009-2012 Mercedes-Benz SL550, 2009-2012 Mercedes-Benz SL63 AMG, 2010-2011 Mercedes-Benz SL600, and 2010-2011 Mercedes-Benz SL65 AMG models equipped with Active Body Control (ABC). Dorman 524-831 uses a steel body, coated finish, and rubber bushings to match the service requirements of the original suspension layout. The arm is not adjustable and does not include a ball joint, mounting hardware, or grease fitting.

This part cross-references Genuine 2303303907 for the same application. Use Dorman 524-831 when replacing a worn or damaged front left lower control arm on Mercedes-Benz SL550, SL600, SL63 AMG, or SL65 AMG vehicles with the listed ABC fitment.

What This Part Helps Address

• Clunking or knocking from the front suspension
• Excessive play caused by worn control arm bushings
• Uneven tire wear related to suspension geometry issues
• Steering instability or wandering at the front axle
• Suspension noise from a damaged lower control arm assembly

Installation Notes and Tips

Install this control arm in the front left lower position only on the exact vehicle applications listed. Verify ABC-equipped fitment before ordering, and compare the original arm length, bushing layout, and ball joint mounting style to confirm match. Because mounting hardware is not included, reuse or source the correct hardware as required by the vehicle service procedure. A professional alignment is recommended after suspension replacement.

Quality Assurance

Dorman manufactures this control arm as a precision-engineered replacement and subjects it to rigorous testing to support reliable OE-style service on the specified Mercedes-Benz applications.