Delphi TC997 Suspension Control Arm - Rear Upper Rearward

Delphi TC997 Rear Upper Rearward Control Arm

Delphi TC997 is a suspension control arm built for select Mercedes-Benz applications that need precise rear suspension location and stable geometry. It uses an aluminum construction with a casting/forged design, neoprene rubber bushings, and a passivated finish for dependable OE-style replacement performance.

Key Features

• Aluminum control arm with casting/forged construction
• Rear upper rearward position
• Black neoprene rubber bushings included
• Passivated finish for added surface protection
• Standard replacement grade for direct-fit service
• No ball joint included
• No pre-greasing or grease fitting provision

Detailed Description

Delphi TC997 is engineered for the rear upper rearward suspension position on select Mercedes-Benz CL500, CL600, S320, S420, S500, S600, S350, 300SD, 300SE, 400SEL, 500SEL, 600SEL, and 400SE models. This part number is built around OE-focused dimensional and material analysis to support proper fitment and suspension alignment in the rear suspension assembly. Delphi tests its steering and suspension components across extreme temperature ranges and salt-spray exposure to evaluate durability in demanding conditions. This part cross-references MOOG Chassis Products K500118 for the same application. Delphi TC997 is a practical replacement choice for Mercedes-Benz rear suspension service where the original control arm has worn bushings, looseness, or corrosion-related damage.

Vehicle Fitment

• Fits 1998-1999 Mercedes-Benz CL500, Rear Upper Rearward
• Fits 1998-1999 Mercedes-Benz CL600, Rear Upper Rearward
• Fits 1994-1999 Mercedes-Benz S320, Rear Upper Rearward
• Fits 1994-1999 Mercedes-Benz S420, Rear Upper Rearward
• Fits 1995-1999 Mercedes-Benz S500, Rear Upper Rearward
• Fits 1995-1999 Mercedes-Benz S600, Rear Upper Rearward
• Fits 1994-1995 Mercedes-Benz S350, Rear Upper Rearward
• Fits 1992-1993 Mercedes-Benz 300SD, Rear Upper Rearward
• Fits 1992-1993 Mercedes-Benz 300SE, Rear Upper Rearward
• Fits 1993 Mercedes-Benz 400SEL, Rear Upper Rearward
• Fits 1992-1993 Mercedes-Benz 500SEL, Rear Upper Rearward
• Fits 1992-1993 Mercedes-Benz 600SEL, Rear Upper Rearward
• Fits 1992 Mercedes-Benz 400SE, Rear Upper Rearward

Common Repair Uses

• Rear suspension clunking or looseness from worn bushings
• Uneven rear tire wear caused by suspension geometry issues
• Excessive rear-end movement during braking or cornering
• Corrosion-damaged or fatigued original control arm replacement
• Restoring rear suspension alignment on Mercedes-Benz S-Class and CL-Class models

Installation Notes

Verify the rear upper rearward position before installation and compare the original arm length, mounting points, and bushing orientation to the replacement part. Mounting hardware is not included, and the arm is not pre-greased. After installation, a professional alignment is recommended to confirm rear suspension geometry.

Quality Assurance

Delphi applies OE-focused engineering and material analysis to its aftermarket steering and suspension portfolio. TC997 is tested for temperature extremes and salt-spray exposure to support durability in real-world service conditions.