Delphi TC5790 Suspension Ball Joint - Front Left Upper

Delphi Suspension Ball Joint TC5790 Overview

The Delphi Suspension Ball Joint TC5790 is engineered for reliable suspension performance in heavy-duty Chevrolet and GMC trucks and vans. Designed as a standard replacement part, this steel ball joint offers durability and precise fitment for models like the Chevrolet Silverado 2500 and GMC Sierra 2500.

• Constructed from durable steel with a black finish for corrosion resistance
• Includes a grease fitting for easy maintenance and extended service life
• Equipped with a chloroprene rubber dust boot to protect internal components
• Threaded stud design with a 12.0 mm diameter and 34.0 mm thread length
• Press-in mounting type for secure installation
• Compatible with Chevrolet Express 2500/3500, GMC Savana 2500/3500, Silverado 2500, Sierra 2500, Suburban 2500, and Yukon XL 2500

Technical Details and Specifications

The Delphi TC5790 suspension ball joint features a maximum outside diameter of 55.5 mm (2.19 inches) and a length of 120 mm, providing a robust connection point within the suspension system. Its standard suspension grade construction ensures it meets OEM requirements for strength and durability. The ball joint assembly includes a grease fitting, allowing for regular lubrication to reduce wear and maintain smooth operation. The dust boot, made from chloroprene rubber, offers effective protection against dirt and moisture, helping to extend the life of the joint. This part does not include castle nuts, cotter pins, bushings, or mounting hardware, so these components should be sourced separately if needed.

Compatible Vehicles and Applications

This suspension ball joint is specifically designed for use with select Chevrolet and GMC heavy-duty trucks and vans. Compatible models include:

• Chevrolet Express 2500 and 3500
• GMC Savana 2500 and 3500
• Chevrolet Silverado 2500
• GMC Sierra 2500
• Chevrolet Suburban 2500
• GMC Yukon XL 2500

It is ideal for replacing worn or damaged ball joints in these vehicles to restore proper suspension function and vehicle handling.

Common Issues Addressed by the Delphi TC5790 Ball Joint

• Excessive play or looseness in the suspension causing uneven tire wear
• Clunking or knocking noises during steering or over bumps
• Vibration or instability while driving at higher speeds
• Worn dust boot leading to contamination and premature joint failure
• Difficulty maintaining proper wheel alignment

Installation Notes and Tips

The Delphi TC5790 ball joint is designed for press-in installation and requires appropriate tools for removal and installation. Ensure the suspension components are properly supported before beginning work. Since mounting hardware is not included, retain or replace nuts and bolts as necessary. Regular greasing through the included grease fitting is recommended to maintain optimal performance and extend service life. Verify compatibility with your specific Chevrolet or GMC model before installation.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The TC5790 ball joint is a standard replacement grade part backed by Delphi's quality control processes. While specific warranty details may vary, Delphi typically offers limited warranties covering defects in material and workmanship. Consult product documentation or your parts provider for exact warranty terms.