Delphi TC1644 Suspension Ball Joint - Front Lower

Delphi Suspension Ball Joint TC1644 Overview

The Delphi Suspension Ball Joint TC1644 is engineered for reliable suspension performance on select Chevrolet, Dodge, and Plymouth trucks and vans. Designed with durable materials and essential hardware, this ball joint supports smooth steering and stable vehicle handling.

• Constructed with alloy steel SAE 5140 ball and carbon steel housing for strength
• Includes castle nut, cotter pin, washers, and mounting hardware for complete installation
• Greaseable design with grease fitting for extended service life
• Equipped with a chloroprene rubber dust boot to protect against contaminants
• Press-in mounting type with tapered threaded stud for secure fit

Technical Specifications and Features

The TC1644 suspension ball joint features a maximum outside diameter of 63.5 mm and a length of 132 mm, providing a precise fit for compatible vehicles. The stud thread diameter measures 0.75 inches with a threaded stud length of 1.161 inches, featuring a tapered stud with a taper per foot of 0.125. The gray-colored assembly includes a dust boot made from durable chloroprene rubber (CR) to resist wear and environmental damage. This standard suspension grade ball joint is greaseable and comes with all necessary mounting hardware except mounting bolts and mount plate.

Compatible Vehicles and Applications

This Delphi ball joint TC1644 is compatible with various Chevrolet, Dodge, and Plymouth models, including Chevrolet B300, B350, B1500, B2500, B3500, and C20 Suburban, as well as Dodge D200, D250, D300, D350, PB350, and Ram 1500 Van, Ram 2500 Van, and Ram 3500 Van. It is designed to replace worn or damaged suspension ball joints in these vehicles, restoring proper steering and suspension function.

Common Issues Addressed by the TC1644 Ball Joint

• Excessive play or looseness in steering linkage
• Uneven tire wear due to suspension misalignment
• Clunking or knocking noises from front suspension
• Reduced vehicle stability and handling performance
• Contaminant ingress causing premature joint failure

Installation Notes and Tips

Installation of the Delphi TC1644 ball joint requires pressing the unit into the control arm using appropriate tools. Ensure the tapered stud is properly aligned and secured with the included castle nut and cotter pin to prevent loosening. The grease fitting allows for periodic lubrication, which helps maintain smooth operation and prolongs service life. Verify all mounting hardware is included and in good condition before installation.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TC1644 ball joint assembly undergoes rigorous quality control to maintain consistent standards. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship for a defined period. Consult product documentation or supplier for exact warranty terms.