Delphi TC503 Suspension Ball Joint - Front Right Lower

Delphi Suspension Ball Joint for Audi 80 and 90 Models

The Delphi TC503 suspension ball joint is engineered for reliable performance in Audi 80, 80 Quattro, 90, 90 Quattro, and Coupe Quattro vehicles. Designed with durable steel construction and a premium suspension grade type, this ball joint ensures consistent handling and suspension stability.

• Constructed from high-strength steel for durability
• Includes dust boot made of chloroprene rubber for protection
• Comes with mounting hardware, nuts, and washers for bolt-on installation
• Standard suspension grade type suitable for everyday driving
• Compatible with Audi 80, 80 Quattro, 90, 90 Quattro, and Coupe Quattro models
• Part number TC503 for precise identification and fitment

Durable Design and Specifications

The Delphi TC503 suspension ball joint features a maximum outside diameter of 64.0 mm and a length of 114 mm, providing a robust fit for the specified Audi models. The dust boot, made from chloroprene rubber, protects the ball joint assembly from dirt and debris, extending its service life. This premium type ball joint is not greaseable and does not include bushings or a grease fitting, but it comes with all necessary mounting hardware including nuts, washers, and bolts with a shank diameter of 10.5 mm and length of 36.4 mm for secure installation.

Applications and Problem Resolution

• Restores proper steering and suspension articulation in Audi 80 and 90 series vehicles
• Eliminates clunking noises caused by worn or damaged ball joints
• Improves vehicle stability and handling performance
• Prevents premature tire wear due to suspension misalignment
• Addresses suspension looseness and uneven ride height issues

Installation Notes and Tips

The Delphi TC503 ball joint is designed for bolt-on installation with three mounting holes spaced at 24.9 mm and 49.0 mm distances. Installation requires removal of the old ball joint and securing the new unit with the included mounting hardware. Note that this ball joint does not include a castle nut or cotter pin, so verify compatibility with your vehicle’s suspension setup. The dust boot should be inspected during installation to ensure it is properly seated to prevent contamination.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The TC503 ball joint undergoes rigorous quality control to maintain consistent fit and function. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to support long-term use in Audi 80 and 90 series vehicles.