Delphi TC8396 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Rearward

OE-Style Front Right Lower Rearward Control Arm

Delphi TC8396 is a suspension control arm and ball joint assembly built for the front right lower rearward position on select Mercedes-Benz S-Class models. It combines an aluminum casting/forged control arm with a pre-greased ball joint, rubber bushings, and included mounting hardware for a direct replacement service.

Engineered with Delphi OE expertise, this assembly is built for the demands of premium steering and suspension systems. Delphi tests parts across extreme temperature ranges and extended salt-spray exposure, helping support consistent performance in harsh road conditions.

Key Features

• Part number: TC8396
• Front right lower rearward suspension control arm and ball joint assembly
• Aluminum control arm construction with casting/forged design
• Ball joint included with machined mounting type and threaded stud
• Pre-greased design with bushings, dust boot, and locking nut included
• Rubber bushings with chloroprene rubber dust boot material
• Premium grade replacement for power steering applications
• Clockwise (right) thread direction

Detailed Description

Delphi TC8396 is a premium suspension control arm and ball joint assembly for the front right lower rearward position. It is built with an aluminum arm, black rubber bushings, a black chloroprene rubber dust boot, and a pre-greased ball joint to support smooth suspension movement and consistent joint articulation. The assembly also includes mounting hardware and a locking nut for service replacement.

This part cross-references Mercedes-Benz OE numbers 222 330 58 01 and A 222 330 58 01 for the same application. It is a direct-fit option for Mercedes-Benz S560, S450, S560e, S550, and S600 models where the front right lower rearward control arm assembly is required. If you are searching for a Mercedes-Benz S560 front right lower rearward control arm, or a Delphi TC8396 replacement for a Mercedes-Benz S550 suspension repair, this part matches the listed application.

Vehicle Fitment

• Fits 2018-2021 Mercedes-Benz S560, front right lower rearward.
• Fits 2018-2020 Mercedes-Benz S450, front right lower rearward.
• Fits 2019-2020 Mercedes-Benz S560e, front right lower rearward.
• Fits 2014-2017 Mercedes-Benz S550, front right lower rearward.
• Fits 2015-2017 Mercedes-Benz S600, front right lower rearward.

What It Helps Address

• Front-end clunking or looseness from a worn control arm assembly
• Uneven tire wear caused by suspension joint wear or play
• Steering wander or reduced directional stability
• Suspension noise over bumps from deteriorated bushings or ball joint components
• Restoration of proper front right lower rearward suspension geometry

Installation Notes and Tips

Confirm the front right lower rearward position before installation and verify the OE cross-reference against the removed part. Because this assembly is not adjustable, proper alignment should be checked after replacement. Inspect adjacent suspension components, fasteners, and mounting points for wear or damage during service.

Quality Assurance

Delphi applies OE-level dimensional and material analysis to support fit and compatibility, and its steering and suspension parts are tested under extreme temperature and corrosion conditions. This helps ensure the TC8396 meets the demands of Mercedes-Benz S-Class suspension service.