Delphi TC3428 Suspension Control Arm and Ball Joint Assembly - Front Left Lower or Rear Upper

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC3428 suspension control arm and ball joint assembly is designed for front left lower suspension applications on select Lexus and Toyota models. This pre-greased, stamped steel control arm offers a reliable replacement option engineered to meet standard suspension requirements for vehicles like the Lexus NX200t, NX300, NX300h, and Toyota RAV4.

• Pre-greased for immediate installation
• Stamped steel construction with black finish
• Includes rubber bushings for vibration dampening
• Bolt-in ball joint with threaded stud
• Standard replacement grade for light suspension use
• Mounting hardware included for secure fitment
• Compatible with front left lower suspension position

Detailed Product Features and Specifications

The Delphi TC3428 control arm assembly features a stamped steel construction that provides durability and strength while maintaining a lightweight profile suitable for light suspension grade applications. The control arm is finished in black to resist corrosion and includes rubber bushings that help absorb road vibrations and reduce noise. The ball joint is bolt-in mounted with a threaded stud measuring 14 mm in diameter and 125 mm in length, ensuring a secure and precise fit. This assembly is pre-greased, eliminating the need for additional lubrication during installation, although it does not include a grease fitting or greaseability. The control arm measures approximately 19.134 inches (486 mm) in length and 15.984 inches (406 mm) in width, designed specifically for the front left lower suspension position on compatible Lexus and Toyota vehicles.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with the following makes and models:

• Lexus NX200t
• Lexus NX300
• Lexus NX300h
• Toyota RAV4

It is intended for use in front left lower suspension positions, providing a direct replacement for worn or damaged control arms to restore proper suspension geometry and handling.

Common Suspension Issues Addressed

• Excessive play or looseness in the front left lower suspension
• Uneven tire wear caused by worn control arm bushings or ball joints
• Clunking or knocking noises during driving or over bumps
• Poor steering response or alignment problems
• Vibration or instability at higher speeds

Installation Notes and Tips

Installation of the Delphi TC3428 control arm assembly requires basic suspension tools and mechanical knowledge. Since the part is pre-greased and includes mounting hardware, it is ready for immediate installation. Ensure the vehicle is securely lifted and supported before removing the old control arm. Torque all bolts to manufacturer specifications and verify alignment after installation to maintain proper handling and tire wear.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The TC3428 control arm assembly is a standard replacement grade part designed for reliable performance in light suspension applications. While specific warranty details are not provided, Delphi products typically come with a limited warranty against defects in materials and workmanship.