Delphi TC7301 Suspension Control Arm and Ball Joint Assembly - Rear Left Forward or Rear Left Lower Center

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC7301 suspension control arm and ball joint assembly is designed for reliable rear left lower center suspension performance on select Lexus models. This pre-greased, medium-grade suspension component offers a durable tubular metal construction with integrated rubber and steel bushings to maintain vehicle stability and handling.

• Pre-greased for immediate installation
• Medium suspension grade for balanced ride quality
• Includes rubber and steel bushings for vibration dampening
• Press-in ball joint with threaded stud for secure mounting
• Durable tubular metal control arm construction in black finish
• Mounting hardware included for convenience
• Compatible with rear left lower center position on Lexus GS and IS series

Detailed Product Description

The Delphi TC7301 control arm and ball joint assembly is engineered to meet standard replacement requirements for the rear left lower center suspension of Lexus GS300, GS350, GS430, GS450h, GS460, IS250, and IS350 models. Its tubular metal construction ensures strength and rigidity, while the black finish provides corrosion resistance. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber and steel bushings are included to absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint features a press-in mounting type with a threaded stud measuring 0.472 inches in diameter, ensuring a secure fit and reliable steering response.

Common Applications and Problem Solving

• Restores proper suspension geometry and alignment
• Eliminates clunking or knocking noises from worn control arms
• Improves handling and vehicle stability on Lexus GS and IS models
• Replaces damaged or fatigued bushings to reduce vibration
• Addresses ball joint wear affecting steering precision

Installation Notes and Tips

Installation of the Delphi TC7301 control arm assembly requires standard suspension tools and mechanical knowledge. Since the part is pre-greased and includes bushings and mounting hardware, additional lubrication or parts are generally not necessary. Ensure the vehicle is properly supported and aligned after installation to maintain optimal suspension performance. Verify compatibility with the rear left lower center position on the specified Lexus models before beginning installation.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet OEM standards for fit, form, and function. The TC7301 assembly is a standard replacement grade part designed to provide reliable service life. While specific warranty details are not provided, Delphi products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or supplier information for exact warranty terms.