Delphi TC5921 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC5921 suspension control arm and ball joint assembly is designed for precise fitment on select Lexus and Toyota models. This front left upper control arm is engineered to restore proper suspension geometry and handling performance for vehicles like the Lexus SC300, SC400, and Toyota Supra.

• Pre-greased ball joint for immediate use
• Threaded ball joint stud type for secure attachment
• Durable steel control arm construction with black finish
• Includes mounting hardware for straightforward installation
• Standard replacement grade for reliable performance
• Compatible with front left upper suspension position

Product Features and Specifications

The Delphi TC5921 control arm assembly features a pre-greased ball joint, eliminating the need for additional lubrication during installation. The ball joint stud is threaded, ensuring a secure and stable connection to the suspension system. Constructed from steel, the control arm offers strength and durability, finished in black to resist corrosion. This assembly comes complete with mounting hardware, simplifying the replacement process. It is designed as a standard replacement part, meeting OEM specifications for the front left upper suspension position on Lexus SC300, SC400, and Toyota Supra models.

Application and Benefits

This suspension control arm and ball joint assembly is used to maintain proper wheel alignment and suspension articulation. It addresses common issues such as:

• Excessive suspension play or looseness
• Uneven tire wear due to misalignment
• Clunking noises from worn ball joints
• Reduced steering responsiveness
• Vibration or instability during driving

Installation Notes and Tips

Installation of the Delphi TC5921 control arm assembly requires basic suspension knowledge and tools. Since the ball joint is pre-greased, no additional lubrication is necessary. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Use the included mounting hardware to properly secure the new assembly. After installation, a professional wheel alignment is recommended to restore optimal handling and tire wear.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards. The TC5921 control arm assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This part is backed by Delphi's standard warranty coverage, providing confidence in its performance and reliability for Lexus SC300, SC400, and Toyota Supra vehicles.