Delphi TC543 Suspension Ball Joint - Front Left Lower

Delphi Suspension Ball Joint for Audi 80 and 90 Models

The Delphi TC543 suspension ball joint is engineered to provide reliable steering and suspension performance for Audi 80, 80 Quattro, 90, and 90 Quattro vehicles. Constructed from durable steel with a protective gray finish, this ball joint is designed to meet standard suspension grade requirements and ensure long-lasting service.

• Material: High-strength steel construction
• Maximum outside diameter: 1.693 inches (43.0 mm)
• Length: 133 mm
• Includes dust boot made of chloroprene rubber for protection
• Mounting hardware and nuts included for bolt-on installation
• Standard suspension grade type, non-adjustable and non-greaseable
• Compatible with Audi 80, 80 Quattro, 90, and 90 Quattro models

Durable Design and Precise Fitment

The Delphi TC543 suspension ball joint features a robust steel assembly designed to withstand the rigors of daily driving and maintain proper suspension geometry. The included chloroprene rubber dust boot protects the joint from dirt and moisture, helping to extend its service life. With a mounting bolt length of 1.437 inches (36.5 mm) and a bolt-on mounting type, installation is straightforward. The ball joint assembly comes complete with mounting hardware and nuts, though it does not include a castle nut, cotter pin, or grease fitting. This part is specifically engineered for standard suspension systems and is not greaseable or adjustable.

Compatible Audi Models and Applications

This suspension ball joint is compatible with the following Audi vehicles:

• Audi 80
• Audi 80 Quattro
• Audi 90
• Audi 90 Quattro

It is designed to replace worn or damaged ball joints in these models, restoring proper steering control and suspension stability.

Common Issues Addressed by the Delphi TC543 Ball Joint

• Excessive play or looseness in the suspension
• Uneven tire wear caused by misaligned suspension components
• Clunking or knocking noises during driving or turning
• Reduced steering responsiveness or stability
• Damaged or torn dust boots allowing contamination

Installation Notes and Tips

Installation of the Delphi TC543 ball joint requires basic suspension tools and mechanical knowledge. The bolt-on mounting type simplifies replacement, but ensure the mounting holes align properly with the vehicle’s suspension arm. Use the included nuts and mounting hardware to secure the ball joint firmly. Since this part is not greaseable, verify the dust boot is properly seated to protect the joint. Torque specifications should be followed according to Audi service manuals for safe and effective installation.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The TC543 ball joint undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Delphi typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.