Delphi TC863 Suspension Control Arm and Ball Joint Assembly - Front Upper Forward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC863 suspension control arm and ball joint assembly is engineered for front upper forward suspension applications on Audi A8, A8 Quattro, and S8 models. Designed with durable aluminum construction and natural rubber bushings, this assembly provides reliable suspension performance for light suspension grade requirements.

• Aluminum control arm with casting and forged construction for strength and lightweight design
• Includes natural rubber bushings for effective vibration dampening
• Pinch-type ball joint stud with 16.0 mm thread diameter and 45.0 mm stud length
• Single mounting hole with 12.2 mm diameter for precise fitment
• Standard replacement grade suitable for front upper forward suspension position
• Silver finish control arm with maximum length of 375.0 mm and width of 55.0 mm

Technical Details and Construction

The Delphi TC863 control arm assembly is constructed from aluminum using a combination of casting and forging processes, ensuring a balance of strength and weight reduction. The included natural rubber bushings help absorb road vibrations and reduce noise, contributing to a smoother ride. The pinch-type ball joint stud is designed for secure attachment and durability, with a 16.0 mm thread diameter and 45.0 mm stud length to match OEM specifications. This assembly is not greaseable and does not include grease fittings or mounting hardware, so existing hardware should be reused or sourced separately.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is specifically compatible with Audi A8, A8 Quattro, and S8 models, designed for the front upper forward suspension position. The part number TC863 ensures precise fitment and replacement for these vehicles, maintaining suspension geometry and handling characteristics.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive play or noise
• Ball joint wear leading to steering instability or uneven tire wear
• Corroded or cracked control arm compromising suspension integrity
• Reduced suspension performance affecting ride comfort and handling
• Alignment problems due to faulty suspension components

Installation Notes and Tips

Installation of the Delphi TC863 control arm assembly requires removal of the existing front upper forward control arm on compatible Audi models. Since mounting hardware is not included, ensure all bolts and nuts are inspected and replaced if necessary. Proper torque specifications should be followed to maintain suspension safety and performance. Alignment check and adjustment are recommended after installation to ensure optimal handling.

Quality Assurance and Warranty

Delphi suspension components meet standard replacement grade requirements, providing reliable performance consistent with OEM specifications. While this product does not come pre-greased or include grease fittings, it is manufactured to strict quality standards. Warranty coverage details should be confirmed with the point of purchase or Delphi directly.