Delphi TC5155 Suspension Control Arm and Ball Joint Assembly - Front Upper

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC5155 suspension control arm and ball joint assembly is designed for front upper suspension applications on select Chevrolet, GMC, and Hummer trucks and SUVs. This pre-greased, stamped steel control arm comes with integrated rubber bushings and a threaded ball joint stud, providing reliable suspension performance for heavy-duty vehicles.

• Pre-greased for immediate installation and reduced maintenance
• Includes grease fitting and mounting hardware for convenience
• Stamped steel construction with black finish for durability
• Rubber bushings included to absorb road vibrations
• Press-in ball joint with threaded stud for secure fitment
• Designed for light suspension grade applications
• Compatible with front upper suspension positions

Detailed Product Features and Specifications

The Delphi TC5155 control arm assembly features a stamped steel construction that ensures strength while maintaining a manageable weight. Its black finish offers corrosion resistance suitable for various driving conditions. The assembly includes rubber bushings that help reduce noise and vibration, enhancing ride comfort. The ball joint is press-in mounted with a 0.47 inch (12.0 mm) threaded stud and a stud length of 3.35 inches (85.0 mm), providing a secure and precise connection to the suspension system. This assembly is pre-greased and includes a grease fitting, allowing for easy lubrication and extended service life. The control arm measures approximately 16.73 inches (425.0 mm) in length and 8.82 inches (224.0 mm) in width, fitting the front upper suspension position on compatible vehicles.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with a range of Chevrolet, GMC, and Hummer models, including Chevrolet Avalanche 2500, Silverado 1500 HD, 2500 HD, 3500 HD, GMC Sierra 1500 HD, 2500 HD, 3500 HD, Yukon XL 2500, Suburban 2500, and Hummer H2. It is specifically designed for front upper suspension use on these heavy-duty trucks and SUVs, ensuring proper fit and function.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Ball joint wear leading to uneven tire wear or suspension noise
• Loose or corroded mounting hardware affecting suspension alignment
• Vibration and harshness from deteriorated suspension components
• Reduced suspension travel and compromised vehicle handling

Installation Notes and Tips

Installation of the Delphi TC5155 control arm assembly requires basic suspension tools and mechanical knowledge. Since the assembly comes pre-greased and includes mounting hardware, it simplifies the replacement process. Ensure the vehicle is securely lifted and supported before removing the old control arm. Verify the ball joint stud threads and torque specifications according to the vehicle manufacturer’s guidelines. After installation, a professional wheel alignment is recommended to maintain proper suspension geometry and tire wear.

Quality Assurance and Warranty

Delphi suspension components meet standard replacement grade requirements, providing dependable performance for heavy-duty applications. The TC5155 assembly is manufactured to OEM specifications with quality materials and construction. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to Delphi’s official documentation for complete warranty information.