Delphi TC3063 Suspension Ball Joint - Front Right Lower

Delphi Suspension Ball Joint TC3063 Overview

The Delphi Suspension Ball Joint TC3063 is engineered for reliable suspension performance in select Lexus models. Designed with durable steel construction and a black finish, this ball joint assembly ensures consistent handling and stability for vehicles like the Lexus GS and IS series.

• Constructed from high-strength steel for durability
• Includes castle nut, cotter pin, and mounting hardware for secure installation
• Dust boot included to protect internal components from contaminants
• Standard suspension grade type suitable for OEM replacement
• Compatible with multiple Lexus models including GS300, IS350, and RC350

Technical Specifications and Features

The TC3063 suspension ball joint features a maximum outside diameter of 2.165 inches (55.0 mm) and a length of approximately 9.94 inches (231 mm). The stud thread diameter ranges from 0.49 to 0.55 inches (12.0 to 14.0 mm), with stud thread lengths between 0.8 and 0.82 inches (20.5 to 21.0 mm). The assembly includes a dust boot to prevent dirt and moisture ingress, a castle nut, and a cotter pin with a hole for secure locking. This non-greasable, non-adjustable ball joint is designed for standard suspension applications, providing a direct fit replacement for Lexus GS and IS models.

Compatible Lexus Models

This Delphi ball joint TC3063 is compatible with a range of Lexus vehicles, including:

• Lexus GS300, GS350, GS430, GS450h, GS460
• Lexus IS200t, IS250, IS300, IS350, IS500, IS F
• Lexus RC300, RC350

Common Suspension Issues Addressed

• Eliminates excessive play or looseness in the suspension
• Reduces uneven tire wear caused by worn ball joints
• Improves steering response and vehicle stability
• Prevents clunking noises during cornering or braking
• Restores proper suspension geometry for safe handling

Installation Notes and Tips

Installation of the Delphi TC3063 ball joint requires removal of the old ball joint and proper torqueing of the included castle nut. The cotter pin must be installed through the castle nut hole to secure the assembly. Since this ball joint is non-greasable, no additional lubrication is necessary beyond factory specifications. Ensure the dust boot is properly seated to maintain protection against contaminants. Professional installation is recommended to maintain suspension alignment and safety.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards. The TC3063 ball joint undergoes rigorous quality control to ensure durability and fitment accuracy. This part includes all necessary mounting hardware for a complete replacement. Warranty coverage details should be confirmed with the point of purchase or Delphi directly.