Delphi TC409 Suspension Ball Joint - Front Lower

Delphi Suspension Ball Joint TC409 Overview

The Delphi TC409 suspension ball joint is engineered for reliable performance in Chevrolet Nova and Toyota Corolla models. Designed with durable materials and precise specifications, this premium suspension component supports smooth steering and stable vehicle handling.

• Ball material: alloy steel SAE 5140 for strength and durability
• Housing material: carbon steel for robust support
• Maximum outside diameter: 1.693 inches (43.0 mm)
• Stud thread diameter: 14.0 mm with threaded stud type
• Includes dust boot made of chloroprene rubber (CR) for protection
• Mounting hardware included: bolts, nuts, and washers
• Standard suspension grade type with bolt-in mounting
• Dimensions: width 70.0 mm, height 3.307 inches

Technical Details and Construction

The Delphi TC409 ball joint assembly features a high-quality alloy steel ball combined with a carbon steel housing to withstand the stresses of daily driving. The dust boot, crafted from chloroprene rubber, helps prevent dirt and moisture intrusion, extending the life of the joint. This suspension ball joint is designed with a 14 mm threaded stud and includes all necessary mounting hardware such as nuts, washers, and bolts with lengths ranging from 35.0 to 36.4 mm. The bolt-in mounting type and three mounting holes ensure a secure fit for compatible vehicles.

Compatible Vehicles and Applications

This suspension ball joint is compatible with Chevrolet Nova and Toyota Corolla models, providing a direct replacement for worn or damaged components. The Delphi TC409 is suitable for standard suspension systems requiring a premium-grade ball joint to maintain proper steering geometry and suspension articulation.

• Restores precise steering control and suspension stability
• Eliminates excessive play or looseness in the front suspension
• Reduces uneven tire wear caused by faulty ball joints
• Prevents clunking noises during cornering or braking
• Improves overall vehicle handling and safety

Installation Notes and Tips

Installation of the Delphi TC409 ball joint requires basic suspension knowledge and appropriate tools. Ensure the vehicle is securely lifted and supported before removal of the old ball joint. The included mounting hardware simplifies installation, but verify torque specifications according to the vehicle manufacturer’s guidelines. Since this ball joint is not greaseable, inspect the dust boot carefully during installation to confirm it is properly seated and undamaged.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards, ensuring consistent quality and durability. The TC409 ball joint undergoes rigorous testing to verify material strength and fitment accuracy. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship for a defined period. Consult product documentation or authorized sources for exact warranty terms.