Dorman 520-907 Suspension Control Arm - Rear Upper Forward

Dorman 520-907 Rear Upper Forward Control Arm

Dorman 520-907 is a suspension control arm built as a direct replacement for the original equipment on select Mercedes-Benz models. It is precision-engineered and tested for dependable fitment in the rear upper forward position, with aluminum construction and a coated black finish for a clean, OE-style service part.

Key Features

• Direct replacement suspension control arm for specific Mercedes-Benz applications
• Aluminum construction with casting/forged design
• Black coated finish for corrosion resistance and a factory-style appearance
• Rubber bushing included with black bushing color
• Welded ball joint mounting type with threaded stud type
• No ball joint installed and no grease fitting included
• Overall length: 262.5 mm

Detailed Product Information

This Dorman control arm is designed for rear upper forward suspension service on Mercedes-Benz CL500, CL600, S320, S420, S500, S600, S350, 300SD, 300SE, 400SEL, 500SEC, 500SEL, 600SEC, 600SEL, and 400SE applications across the 1992-1999 model years. The part number 520-907 is built to match the original equipment layout and restore proper suspension geometry where the factory arm has worn or damaged bushings. This part cross-references Delphi TC995 for the same application.

Compatible With: 1998-1999 Mercedes-Benz CL500, rear upper forward; 1998-1999 Mercedes-Benz CL600, rear upper forward; 1994-1999 Mercedes-Benz S320, rear upper forward; 1994-1999 Mercedes-Benz S420, rear upper forward; 1994-1999 Mercedes-Benz S500, rear upper forward; 1994-1999 Mercedes-Benz S600, rear upper forward; 1994-1995 Mercedes-Benz S350, rear upper forward; 1992-1993 Mercedes-Benz 300SD, rear upper forward; 1992-1993 Mercedes-Benz 300SE, rear upper forward; 1993 Mercedes-Benz 400SEL, rear upper forward; 1993 Mercedes-Benz 500SEC, rear upper forward; 1992-1993 Mercedes-Benz 500SEL, rear upper forward; 1993 Mercedes-Benz 600SEC, rear upper forward; 1992-1993 Mercedes-Benz 600SEL, rear upper forward; 1992 Mercedes-Benz 400SE, rear upper forward.

What It Helps Address

• Rear suspension looseness or instability from a worn control arm
• Clunking or knocking noises from deteriorated bushings
• Uneven tire wear caused by suspension geometry issues
• Imprecise handling or wandering in the rear suspension
• Excess movement at the rear upper forward control arm mounting point

Installation Notes and Tips

Verify the rear upper forward position before ordering, since this arm is application-specific. Inspect adjacent bushings, mounting points, and related suspension components during replacement, and transfer no mounting hardware unless your vehicle already has serviceable hardware in place. A professional alignment is recommended after suspension work to confirm correct ride and handling characteristics.

Quality Assurance

Dorman manufactures this control arm as a tested replacement part for specific OE applications. The design focuses on correct fit, material selection, and suspension serviceability for Mercedes-Benz rear suspension repair.