Delphi TC6381 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC6381 suspension control arm and ball joint assembly is designed for front left lower suspension applications on select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. This pre-greased, stamped steel control arm provides a reliable replacement option for maintaining proper suspension geometry and vehicle handling.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Stamped steel construction with black finish
• Press-in ball joint with threaded stud
• Designed for light suspension grade applications
• Compatible with front left lower position
• Mounting holes: 3 with diameters 13.9mm and 27.15mm

Detailed Product Description

The Delphi TC6381 control arm assembly features a stamped steel construction that balances strength and durability while maintaining a lightweight profile suitable for light suspension grade use. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to reduce vibration and noise, enhancing ride comfort. The ball joint is press-in mounted with a threaded stud measuring 16mm in diameter and approximately 94mm in length, ensuring secure attachment and proper articulation. This control arm is finished in black to resist corrosion and maintain appearance over time.

Compatible Vehicle Applications

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

• Buick 9-7x
• Chevrolet Trailblazer, Trailblazer EXT
• GMC Envoy, Envoy XL, Envoy XUV, Rainier
• Isuzu Ascender, Bravada
• Oldsmobile Bravada
• Saab 9-7x

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Ball joint wear leading to uneven tire wear or clunking noises
• Corroded or bent control arms affecting wheel alignment
• Loose or missing mounting hardware compromising suspension integrity
• Reduced ride quality due to degraded suspension components

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before removal
• Compare new assembly to original for correct fitment and orientation
• Torque mounting hardware to manufacturer specifications
• Check ball joint stud thread engagement and secure with appropriate nut
• Alignment check recommended after installation

Quality Assurance and Warranty

The Delphi TC6381 suspension control arm and ball joint assembly meets standard replacement grade requirements and includes all necessary mounting hardware for installation. The product is pre-greased and ready for use, designed to meet OEM specifications for fit and function. Delphi provides a limited warranty covering defects in materials and workmanship under normal use conditions.