Delphi TC3917 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC3917 suspension control arm and ball joint assembly is designed for precise fitment on Mercedes-Benz CLS400 and CLS550 models. Engineered with durable aluminum construction and natural rubber bushings, this front right upper control arm offers reliable suspension performance for light suspension grade applications.

• Aluminum control arm with casting and forged construction for strength and lightweight design
• Includes natural rubber bushings for effective vibration dampening
• Machined ball joint mounting with threaded stud for secure attachment
• Mounting hardware included for straightforward installation
• Standard replacement grade suitable for front right upper suspension position

Detailed Product Features and Specifications

The Delphi TC3917 control arm assembly features a silver aluminum arm measuring approximately 19.1 inches in length and 4.13 inches in width, optimized for the front right upper suspension of Mercedes-Benz CLS400 and CLS550 vehicles. The ball joint stud has a 14 mm thread diameter and a length of 78 mm, ensuring compatibility with factory mounting points. This assembly is not greaseable and does not include a grease fitting, but it comes pre-equipped with natural rubber bushings to maintain suspension integrity and reduce noise. The control arm includes one mounting hole with a diameter of 14.2 mm and is supplied with all necessary mounting hardware for a complete replacement.

Common Applications and Problem Resolution

• Replacement of worn or damaged front right upper suspension control arm on Mercedes-Benz CLS400 and CLS550
• Correction of suspension misalignment or uneven tire wear caused by faulty control arms
• Restoration of steering stability and handling performance
• Elimination of clunking noises or vibrations from the front suspension
• Addressing issues related to deteriorated bushings or ball joints

Installation Notes and Tips

Installation of the Delphi TC3917 control arm assembly requires basic suspension knowledge and appropriate tools. Since the assembly is not greaseable and does not include a grease fitting, no additional lubrication is necessary during installation. Ensure the vehicle is securely lifted and supported before removing the old control arm. Use the included mounting hardware to secure the new assembly, and verify torque specifications according to Mercedes-Benz guidelines. Alignment check and adjustment after installation are recommended to maintain proper suspension geometry.

Quality Assurance and Warranty Information

Delphi suspension components meet standard replacement grade requirements, providing reliable performance for Mercedes-Benz CLS400 and CLS550 vehicles. The TC3917 control arm assembly undergoes rigorous quality control to ensure durability and fitment accuracy. Warranty coverage details should be confirmed with the point of purchase or Delphi directly, as warranty terms may vary.