Delphi TC7818 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Forward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC7818 suspension control arm and ball joint assembly is designed for precise fitment on select Mercedes-Benz models. Engineered with durable aluminum construction and natural rubber bushings, this front right lower forward control arm supports suspension stability and vehicle handling.

• Pre-greased for immediate installation
• Aluminum control arm with casting and forged construction
• Includes natural rubber bushings for vibration dampening
• Threaded ball joint stud measuring 3.689 inches (93.7 mm)
• Standard replacement grade for light suspension applications
• Compatible with front right lower forward position
• Mounting hardware included for secure installation
• Control arm dimensions: maximum length 180.0 mm, maximum width 40.0 mm
• Mounting hole diameter: 14.1 mm (0.555 inches)

Detailed Product Description

The Delphi TC7818 suspension control arm and ball joint assembly is specifically engineered for Mercedes-Benz vehicles including the C43 AMG, C300, C400, C450 AMG, E53 AMG, E400, and E450 models. Constructed from lightweight yet strong aluminum using a combination of casting and forging processes, this control arm offers reliable structural integrity while reducing unsprung weight. The assembly comes pre-greased and includes natural rubber bushings that help absorb road vibrations and reduce noise, contributing to a smoother ride quality. The threaded ball joint stud ensures a secure connection to the suspension knuckle, with a stud length of 3.689 inches (93.7 mm) optimized for the front right lower forward position. This part is designed as a standard replacement for light suspension grade applications and is not adjustable or greaseable after installation.

Common Applications and Issues Addressed

• Restores proper suspension geometry and alignment
• Eliminates clunking or knocking noises from worn control arms
• Improves steering response and vehicle handling
• Reduces uneven tire wear caused by faulty suspension components
• Replaces damaged or corroded control arms in front right lower forward position

Installation Notes and Tips

Installation of the Delphi TC7818 control arm requires standard suspension tools and mechanical knowledge. Since the part is pre-greased and includes bushings, no additional lubrication is necessary. Verify the mounting hole diameter of 14.1 mm matches the vehicle specifications before installation. Ensure the ball joint stud is properly torqued to manufacturer specifications to maintain suspension safety and performance. This control arm is not adjustable, so alignment should be checked and corrected after installation.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The TC7818 control arm assembly undergoes rigorous quality control to ensure durability and performance in light suspension applications. This part is offered as a standard replacement grade component and comes with a limited warranty against defects in materials and workmanship, providing confidence in its reliability for Mercedes-Benz C43 AMG, C300, C400, C450 AMG, E53 AMG, E400, and E450 models.