Delphi TC5279 Suspension Ball Joint - Front Lower

Delphi Suspension Ball Joint TC5279 Overview

The Delphi Suspension Ball Joint TC5279 is engineered for reliable performance in suspension systems requiring durable and precise components. Designed with high-quality materials, this suspension ball joint supports smooth steering and stable vehicle handling for various makes and models.

• Constructed with alloy steel SAE 5140 ball and carbon steel housing for strength and durability
• Gray color finish with a chloroprene rubber dust boot to protect against contaminants
• Includes castle nut, cotter pin, mounting hardware, and ball joint assembly for complete installation
• Pressed mounting type with tapered stud design for secure fitment
• Stud thread diameter of 10.0 mm and length of 20.6 mm for compatibility with specific suspension setups

Technical Details and Material Specifications

The TC5279 suspension ball joint features a ball made from SAE 5140 alloy steel, known for its toughness and wear resistance, paired with a carbon steel housing to withstand suspension stresses. The gray finish complements the robust construction, while the chloroprene rubber dust boot ensures long-term protection from dirt and moisture. This ball joint assembly includes a tapered stud with a diameter of 0.614 inches at the tapered end, a stud thread diameter of 10.0 mm, and a stud thread length of 20.6 mm, designed for precise fitment in compatible suspension systems. The inclusion of a castle nut, cotter pin, and mounting hardware facilitates secure and reliable installation.

Common Applications and Problem Resolution

This Delphi ball joint is typically used in suspension systems of various vehicle makes and models requiring a pressed mounting type ball joint. It addresses several suspension issues, including:

• Excessive play or looseness in steering components
• Uneven tire wear caused by worn ball joints
• Clunking noises during turns or over bumps
• Reduced vehicle stability and handling performance
• Protection against dust and debris infiltration with the included dust boot

Installation Notes and Tips

Installation of the Delphi TC5279 ball joint requires proper tools to handle the pressed mounting type and tapered stud. Ensure the mounting surface is clean and free of corrosion before installation. Use the included castle nut and cotter pin to secure the ball joint firmly, preventing loosening during operation. Note that grease fittings are not included, so this ball joint is not greaseable. Follow vehicle-specific service manual instructions for torque specifications and alignment checks after installation.

Quality Assurance and Warranty Information

Delphi manufactures the TC5279 suspension ball joint to meet or exceed OEM standards, ensuring consistent quality and durability. The use of SAE 5140 alloy steel and carbon steel materials contributes to the product's longevity under normal operating conditions. While specific warranty details are not provided, Delphi products typically come with a limited warranty against defects in materials and workmanship. Consult Delphi or the vehicle manufacturer for exact warranty terms related to this part number.