Delphi TC7842 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward

Delphi Suspension Control Arm for Mercedes-Benz Vehicles

The Delphi TC7842 suspension control arm and ball joint assembly is designed for front left lower rearward positioning on select Mercedes-Benz models. Engineered with durable steel construction and natural rubber bushings, this component ensures reliable suspension performance for your CL550, S350, S450, or S550.

• Pre-greased for immediate installation
• Includes natural rubber bushings for vibration dampening
• Threaded ball joint stud for secure fitment
• Steel casting/forged control arm construction for strength
• Standard replacement grade for suspension maintenance
• Mounting hardware included for convenience
• Compatible with front left lower rearward suspension position

Durable Construction and Design Features

The TC7842 control arm features a robust steel body crafted through casting and forging processes, providing the necessary strength to withstand daily driving stresses. Its black finish offers corrosion resistance, while the natural rubber bushings help absorb road vibrations and reduce noise. The ball joint stud is threaded and measures 3.27 inches in length, ensuring a precise and secure connection to the suspension system. This assembly is pre-greased, eliminating the need for additional lubrication during installation.

Compatible Mercedes-Benz Models

This suspension control arm assembly is specifically designed for the front left lower rearward position on Mercedes-Benz CL550, S350, S450, and S550 models. Using the Delphi TC7842 ensures proper fitment and maintains the original suspension geometry for these vehicles.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Corroded or weakened control arm compromising suspension integrity
• Excessive vibration or noise from suspension components
• Misalignment issues affecting vehicle handling

Installation Notes and Tips

Before installation, verify the part number TC7842 matches your vehicle’s requirements. The assembly comes pre-greased and includes mounting hardware, simplifying the replacement process. Ensure all mounting holes align correctly, and torque specifications are followed according to the vehicle manufacturer’s guidelines. Since this control arm is not adjustable or greaseable post-installation, proper initial installation is critical for optimal performance.

Quality Assurance and Warranty

Delphi suspension components meet standard replacement grade specifications, providing reliable performance and durability. The TC7842 control arm assembly undergoes rigorous quality control to ensure fitment accuracy and material integrity. Warranty coverage details should be confirmed with the point of purchase or Delphi directly.