Delphi TC348 Suspension Ball Joint - Front Left Lower

Delphi Suspension Ball Joint TC348 Overview

The Delphi TC348 suspension ball joint is engineered for reliable performance in select Audi and Volkswagen models. Designed with durable steel construction and a protective chloroprene rubber dust boot, this ball joint supports smooth steering and suspension articulation.

• Constructed from high-strength steel for durability
• Standard suspension grade type suitable for everyday driving
• Includes dust boot made of chloroprene rubber to protect against contaminants
• Comes with mounting hardware, nuts, and washers for bolt-on installation
• Compatible with multiple Audi and Volkswagen models including 80, 80 Quattro, 90, 90 Quattro, 4000, 4000 Quattro, Coupe, and Quantum

Technical Specifications and Features

The Delphi TC348 suspension ball joint features a maximum outside diameter of 2.224 inches (56.5 mm) and a height of 2.642 inches (67.1 mm). It is designed with a bolt-on mounting type, including three mounting holes spaced 48.0 mm apart. The mounting bolts have a shank diameter of 0.394 inches (10.0 mm) and a length of 1.181 inches (30.0 mm). The ball joint assembly is not greaseable and does not include a grease fitting, castle nut, or cotter pin, but it does come with washers and nuts to ensure secure installation. The wrench size required for installation is 0.669 inches (17.0 mm).

Compatible Vehicles and Applications

This suspension ball joint is compatible with various Audi and Volkswagen vehicles, specifically models such as the Audi 80, 80 Quattro, 90, 90 Quattro, 4000, 4000 Quattro, Coupe, and Quantum. The Delphi TC348 is designed to meet the suspension requirements of these vehicles, providing a direct replacement for worn or damaged ball joints.

Common Issues Addressed by the Delphi TC348 Ball Joint

• Eliminates excessive play or looseness in the suspension system
• Reduces uneven tire wear caused by faulty ball joints
• Restores proper steering response and vehicle handling
• Prevents suspension noise such as clunking or knocking
• Protects suspension components from dirt and moisture with the included dust boot

Installation Notes and Tips

Installation of the Delphi TC348 suspension ball joint requires basic mechanical skills and appropriate tools. The bolt-on mounting type allows for straightforward replacement using the included mounting hardware. Ensure the mounting holes align correctly with the vehicle’s suspension arm, and torque nuts and bolts to manufacturer specifications. Since this ball joint is not greaseable, verify the dust boot is properly seated to maintain protection against contaminants.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet industry standards for durability and performance. The TC348 ball joint undergoes quality control inspections to ensure fitment accuracy and material integrity. While specific warranty details may vary, Delphi typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the vehicle service manual for warranty and maintenance guidelines.