Delphi TC508 Suspension Ball Joint - Front Lower Inner

Delphi Suspension Ball Joint TC508 Overview

The Delphi TC508 suspension ball joint is engineered for reliable performance in BMW vehicles including the 318i, 318is, 318ti, 320i, 323i, 325i, 325is, 328i, and Z3 models. Constructed from durable steel with a gray finish, this standard suspension grade ball joint offers a precise fit and long-lasting service.

• Material: High-strength steel construction
• Maximum outside diameter: 1.969 inches (50.0 mm)
• Length and width: 50.0 mm
• Height: 5.366 inches (136.3 mm)
• Stud thread diameter: 0.551 inches (14.0 mm)
• Stud thread length: 0.984 inches (25.0 mm)
• Pressed mounting type for secure installation
• Includes mounting hardware and nuts
• Dust boot made of chloroprene rubber for protection
• Ball joint assembly included, no grease fitting or bushings

Detailed Product Description

The Delphi TC508 suspension ball joint is designed to meet the exact specifications required for various BMW models such as the 318i and Z3. Its steel construction ensures structural integrity under suspension loads, while the chloroprene rubber dust boot protects the joint from dirt and moisture, extending its service life. The pressed mounting type allows for a secure and stable fit, and the included mounting hardware and nuts simplify installation. This ball joint is not greaseable and does not include a grease fitting, which aligns with its standard suspension grade classification. The stud is threaded with a 14 mm diameter and 25 mm length, compatible with the original equipment specifications for the listed BMW models.

Common Applications and Problem Solving

• Replaces worn or damaged suspension ball joints on BMW 3 Series and Z3 models
• Addresses suspension noise caused by loose or failing ball joints
• Improves steering stability and control by restoring proper joint function
• Eliminates excessive play or vibration in the front suspension
• Prevents premature tire wear related to suspension component failure

Installation Notes and Tips

• Ensure compatibility with your specific BMW model and year before installation
• Use proper tools to press out the old ball joint and press in the new TC508 unit
• Torque mounting nuts to manufacturer specifications for safety and performance
• Inspect related suspension components during installation for wear or damage
• Since this ball joint is not greaseable, verify dust boot integrity to maintain protection

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet OEM standards for fit and function. The TC508 ball joint undergoes rigorous quality control to ensure durability and reliability in demanding driving conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.