Delphi TC5240 Suspension Ball Joint - Front Lower

Delphi Suspension Ball Joint TC5240 Overview

The Delphi Suspension Ball Joint TC5240 is engineered for front lower suspension applications on select Buick, Chevrolet, GMC, and Saturn models. Designed to meet standard replacement specifications, this ball joint ensures reliable performance and durability for vehicles like the Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook.

• Constructed with alloy steel SAE 5140 ball and carbon steel housing for strength
• Includes castle nut, cotter pin, washers, mounting bolts, and nuts for complete installation
• Equipped with a durable chloroprene rubber dust boot to protect against contaminants
• Pressed mounting type with tapered stud and 16.0 mm stud thread diameter
• Compatible with front lower suspension on Buick Acadia, Chevrolet Traverse, GMC Acadia Limited, Saturn Outlook, and Buick Enclave

Technical Specifications and Features

The Delphi TC5240 suspension ball joint features a pressed mounting design with a tapered stud for secure fitment. The ball material is alloy steel SAE 5140, paired with a carbon steel housing to provide structural integrity under load. The dust boot is made from chloroprene rubber (CR), offering resistance to wear and environmental factors. This assembly includes essential mounting hardware such as castle nut, cotter pin with hole, washers, nuts, and mounting bolts, ensuring a complete replacement part ready for installation. The stud thread diameter measures 16.0 mm with a 1.5 pitch and a thread length of 25.0 mm (0.984 inches). The overall dimensions include a width of 60.3 mm and a height of approximately 104.9 mm (4.13 inches).

Compatible Vehicles and Applications

This suspension ball joint is specifically designed for front lower suspension use on the following vehicles:

• Buick Acadia and Acadia Limited
• Buick Enclave
• Chevrolet Traverse
• GMC Acadia
• Saturn Outlook

Part number TC5240 is a direct replacement for worn or damaged ball joints in these models, maintaining proper suspension geometry and vehicle handling.

Common Issues Addressed by Delphi TC5240 Ball Joint

• Excessive play or looseness in front lower suspension
• Uneven tire wear caused by worn ball joints
• Clunking or knocking noises during steering or over bumps
• Reduced steering responsiveness or alignment problems
• Contaminant ingress leading to premature joint failure

Installation Notes and Tips

Installation of the Delphi TC5240 ball joint requires pressing out the old joint and pressing in the new one due to its pressed mounting type. Ensure all included hardware such as castle nut, cotter pin, washers, and mounting bolts are used to secure the assembly properly. The dust boot should be inspected for proper seating to prevent dirt and moisture intrusion. This ball joint is not greaseable, so no grease fitting is included. Verify thread pitch and stud dimensions before installation to ensure compatibility.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The TC5240 ball joint is a standard replacement grade part, backed by Delphi's quality control processes. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in the product's durability and performance.