Delphi TC350 Suspension Ball Joint - Rear Lower

Delphi Suspension Ball Joint TC350 Overview

The Delphi TC350 suspension ball joint is engineered for reliable performance in Audi vehicles, including the Audi 80, 80 Quattro, 90, 90 Quattro, 4000 Quattro, and Quattro models. Constructed from durable steel with a gray finish, this standard suspension grade ball joint offers a precise fit and long-lasting service.

• Material: Steel construction for strength and durability
• Maximum outside diameter: 90.0 mm (3.543 inches)
• Length and width: 90.0 mm (3.543 inches)
• Stud thread diameter: 12.0 mm (0.472 inches)
• Includes dust boot and mounting hardware
• Non-greaseable, standard suspension grade type
• Compatible with multiple Audi models including 80, 90, and Quattro variants

Technical Details and Specifications

The Delphi TC350 suspension ball joint features a steel body with a maximum outside diameter of 90 mm and a length and width of 90 mm, ensuring a precise fit for the specified Audi models. The stud thread diameter measures 12 mm, with a stud thread length of 17.2 mm, designed to meet OEM specifications. This ball joint assembly includes a dust boot to protect against contaminants but does not include grease fittings, bushings, or cotter pins. The mounting hardware is included for straightforward installation, with two mounting holes and mounting bolts measuring 30.3 mm in length. The gray color finish provides corrosion resistance and a clean appearance under the vehicle.

Compatible Audi Models and Applications

This suspension ball joint is compatible with the following Audi vehicles: Audi 80, 80 Quattro, 90, 90 Quattro, 4000 Quattro, and Quattro models. It is designed to replace worn or damaged ball joints in the front suspension system, maintaining proper steering and suspension geometry.

• Restores smooth steering and suspension articulation
• Eliminates clunking or knocking noises from worn joints
• Improves vehicle handling and stability
• Prevents uneven tire wear caused by suspension play
• Maintains proper alignment and suspension geometry

Installation Notes and Tips

Installation of the Delphi TC350 suspension ball joint requires basic suspension tools and mechanical knowledge. The included mounting hardware simplifies the replacement process. Note that this ball joint is non-greaseable, so no additional lubrication is necessary after installation. Ensure the dust boot is properly seated to protect the joint from dirt and moisture. Verify torque specifications for mounting bolts and stud threads according to Audi service manuals.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The TC350 ball joint undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.