Delphi TC7638 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC7638 suspension control arm and ball joint assembly is designed specifically for the front right upper position on Lexus IS300 models. This pre-greased, stamped steel control arm comes with rubber bushings and mounting hardware included, providing a reliable replacement part engineered for precise fitment and durability.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Stamped steel construction with black finish
• Press-in ball joint with threaded stud (0.472 inch diameter, 0.886 inch length)
• Compatible with Lexus IS300 front right upper suspension

Detailed Product Description

The Delphi TC7638 control arm assembly features a stamped steel construction that ensures strength and rigidity while maintaining a lightweight profile. The control arm is finished in black to resist corrosion and wear. It includes rubber bushings that help absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint is press-in mounted with a threaded stud, allowing secure attachment and straightforward replacement. This assembly is pre-greased, eliminating the need for additional lubrication during installation. Mounting hardware is included to facilitate a complete and proper fit on the Lexus IS300 front right upper suspension position.

Common Applications and Problem Resolution

• Replaces worn or damaged front right upper control arm on Lexus IS300
• Addresses suspension noise caused by deteriorated bushings
• Corrects steering instability due to faulty ball joints
• Restores proper wheel alignment and handling performance
• Eliminates excessive play or looseness in suspension components

Installation Notes and Tips

Installation of the Delphi TC7638 control arm assembly requires basic suspension tools and mechanical knowledge. Since the part is pre-greased and includes bushings and mounting hardware, it simplifies the replacement process. Ensure the vehicle is securely lifted and supported before removing the old control arm. Torque all fasteners to manufacturer specifications. After installation, a professional wheel alignment is recommended to maintain proper handling and tire wear.

Quality Assurance and Warranty

Delphi suspension components meet industry standards for durability and performance. The TC7638 is a standard replacement grade part designed to restore original suspension function. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects. Refer to the product documentation or contact the manufacturer for exact warranty terms.