Delphi TC3423 Suspension Control Arm - Rear Upper

Delphi Rear Upper Suspension Control Arm Overview

The Delphi TC3423 suspension control arm is engineered for reliable performance in select Mercedes-Benz models. Designed as a rear upper control arm, this component is essential for maintaining proper suspension geometry and vehicle stability.

• Constructed from durable stamped steel for strength and longevity
• Finished with black cataphoresis coating to resist corrosion
• Standard replacement grade for consistent performance
• Compatible with Mercedes-Benz B250, B250e, B Electric Drive, CLA250, and GLA250 models
• Measures approximately 12.913 inches (328.0 mm) in length
• Includes rubber bushings material specification (bushings not included)
• Does not include ball joint or mounting hardware
• Non-adjustable design for direct fit replacement

Durable Construction and Design Details

The TC3423 control arm is manufactured using stamped steel, providing a balance of strength and weight suitable for rear upper suspension applications. Its black cataphoresis finish offers enhanced corrosion resistance, extending the service life of the part under various driving conditions. While the control arm does not come with bushings, ball joints, or mounting hardware, it is designed to accommodate rubber bushings, which help absorb vibrations and reduce noise. This standard replacement grade part ensures compatibility and performance consistent with original equipment specifications.

Compatible Mercedes-Benz Models and Applications

This suspension control arm is specifically compatible with the rear upper position on Mercedes-Benz B250, B250e, B Electric Drive, CLA250, and GLA250 vehicles. The part number TC3423 corresponds directly to these models, making it a suitable choice for owners seeking a reliable replacement component for their suspension system.

Common Suspension Issues Addressed

• Worn or damaged control arms causing poor handling or alignment issues
• Excessive suspension noise due to degraded bushings
• Uneven tire wear resulting from suspension misalignment
• Reduced vehicle stability and control during cornering
• Corrosion or structural fatigue in original control arm components

Installation Notes and Tips

Installation of the Delphi TC3423 control arm requires removal of the existing rear upper control arm. Since bushings, ball joints, and mounting hardware are not included, ensure these components are inspected and replaced as necessary. Proper torque specifications should be followed to maintain suspension integrity. Alignment is recommended after installation to ensure optimal vehicle handling and tire wear.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards. The TC3423 control arm is a standard replacement grade part, designed for durability and consistent performance. While specific warranty details may vary, Delphi typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.