Delphi TC801 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Rearward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC801 suspension control arm and ball joint assembly is designed for front left upper rearward positions on select Audi and Volkswagen models. Engineered with durable aluminum construction and natural rubber bushings, this component supports precise suspension movement and vehicle stability.

• Aluminum control arm with casting and forged construction for strength and lightweight performance
• Includes natural rubber bushings to reduce vibration and noise
• Pinch-type ball joint stud with 16mm thread diameter and 50mm stud length
• Standard replacement grade suitable for light suspension applications
• Single mounting hole with 10.2mm diameter for secure fitment
• Silver finish control arm measuring up to 11.811 inches in length and 2.126 inches in width
• Mounting hardware included for installation convenience

Detailed Product Description

The Delphi TC801 suspension control arm and ball joint assembly is crafted from high-quality aluminum using a combination of casting and forging processes to ensure durability while maintaining a lightweight profile. This assembly features natural rubber bushings that help absorb road shocks and minimize noise, contributing to a smoother ride. The pinch-type ball joint stud is designed with a 16mm thread diameter and a 50mm stud length, providing reliable articulation and secure connection to the suspension system. The control arm is finished in silver and includes one mounting hole with a 10.2mm diameter, engineered for precise alignment and fitment.

Compatible with front left upper rearward suspension positions, this part is intended for light suspension grade applications, making it suitable for maintaining factory suspension performance on various Audi and Volkswagen vehicles. The included mounting hardware simplifies installation, ensuring a proper and secure fit.

Compatible Vehicles and Applications

• Audi A4, A4 Quattro
• Audi A6, A6 Quattro
• Audi A8, A8 Quattro
• Audi Allroad Quattro
• Volkswagen Passat
• Volkswagen RS6
• Volkswagen S4, S6, S8

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive vibration
• Loose or failing ball joint leading to steering instability
• Corroded or weakened control arm compromising suspension geometry
• Noise and clunking from suspension components
• Misalignment affecting tire wear and handling

Installation Notes and Tips

Before installation, verify the part number TC801 matches your vehicle’s requirements and suspension position. Use proper tools to remove the old control arm and ball joint assembly carefully to avoid damage to surrounding components. Torque all fasteners to manufacturer specifications. Since this assembly is not greaseable and does not include grease fittings, no additional lubrication is necessary during installation. Inspect related suspension components for wear and replace as needed to ensure optimal performance.

Quality Assurance and Warranty

The Delphi TC801 suspension control arm and ball joint assembly meets standard replacement grade specifications for durability and fitment. Manufactured with precision materials and processes, this part is designed to restore suspension function to factory standards. Warranty coverage details should be confirmed with the point of purchase or Delphi directly.