Delphi TC691 Suspension Ball Joint - Front Lower

Delphi Suspension Ball Joint TC691 Overview

The Delphi TC691 suspension ball joint is engineered for reliable performance in Honda and Isuzu vehicles, including models like the Amigo, Axiom, Passport, Rodeo, Rodeo Sport, and Trooper. Constructed from durable steel with a black finish, this standard suspension grade ball joint assembly is designed to maintain precise steering and suspension control.

• Material: Steel construction for strength and durability
• Maximum Outside Diameter: 122.5 mm (4.823 inches)
• Stud Thread Diameter: 18.0 mm (0.709 inches), threaded stud type
• Includes castle nut, cotter pin, washers, and mounting hardware
• Dust boot included to protect internal components
• Mounting hole quantity: 4 with bolt length of 47.5 mm (1.87 inches)
• Standard suspension grade type, non-adjustable and non-greaseable
• Wrench size required: 24.0 mm (0.945 inches)

Technical Details and Features

The Delphi TC691 ball joint features a robust steel body with a protective black coating to resist corrosion. Its maximum outside diameter measures 122.5 mm, ensuring compatibility with the suspension systems of specified Honda and Isuzu models. The threaded stud diameter of 18.0 mm and stud thread length of 27.5 mm provide secure attachment points. This assembly includes essential mounting hardware such as a castle nut, cotter pin, washers, and four mounting holes for a precise fit. The dust boot safeguards the joint from dirt and debris, extending service life. Designed as a standard suspension grade component, it is not greaseable or adjustable, simplifying maintenance requirements.

Compatible Vehicles and Applications

This suspension ball joint is compatible with the following vehicles:

• Honda Amigo
• Honda Axiom
• Honda Passport
• Isuzu Rodeo
• Isuzu Rodeo Sport
• Isuzu Trooper

It is intended for use in suspension systems requiring a reliable ball joint assembly to maintain proper steering geometry and suspension articulation.

Common Issues Addressed by Delphi TC691 Ball Joint

• Excessive play or looseness in the suspension linkage
• Uneven tire wear caused by worn ball joints
• Clunking or knocking noises during driving over bumps
• Steering instability or wandering
• Compromised suspension alignment and handling

Installation Notes and Tips

Installation of the Delphi TC691 ball joint requires basic suspension knowledge and appropriate tools. Ensure the vehicle is securely lifted and supported before removal of the old ball joint. Use the included mounting hardware and verify torque specifications according to the vehicle manufacturer’s guidelines. The included castle nut and cotter pin must be properly installed to secure the stud. Since this ball joint is non-greaseable, no additional lubrication is necessary beyond factory specifications. Confirm the dust boot is properly seated to prevent contamination.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The TC691 ball joint undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.