Delphi TC5379 Suspension Control Arm and Ball Joint Assembly - Front Upper

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC5379 Suspension Control Arm and Ball Joint Assembly is designed for front upper suspension applications on select GM trucks and SUVs. Engineered with durable steel construction and pre-greased components, this assembly provides reliable performance for vehicles like the Chevrolet Silverado 1500 and GMC Yukon XL 1500.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Steel casting/forged control arm construction
• Press-in ball joint with threaded stud
• Compatible with front upper suspension positions

Durable Construction and Design Features

This suspension control arm assembly features a robust steel control arm constructed through casting and forging processes to ensure strength and longevity. The black finish offers corrosion resistance suitable for various driving conditions. The assembly includes rubber bushings to absorb vibrations and reduce noise, enhancing ride comfort. The ball joint is press-in mounted with a threaded stud measuring 0.47 inches in diameter and 2.91 inches in length, designed for secure attachment and reliable steering response. With two mounting holes sized at 0.24 inches diameter, the assembly fits precisely in the front upper suspension position.

Compatible Vehicles and Applications

The Delphi TC5379 is compatible with a range of General Motors vehicles, including:

• Cadillac Escalade, Escalade ESV, and Escalade EXT
• Chevrolet Avalanche 1500, Silverado 1500, Silverado 1500 Classic, Suburban 1500, and Tahoe
• GMC Sierra 1500, Sierra 1500 Classic, Yukon, Yukon XL 1500
• Express 1500, Express 2500, Savana 1500, Savana 2500

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 weakened control arm compromising suspension integrity
• Loose or damaged mounting hardware affecting alignment
• Vibration and noise from deteriorated suspension components

Installation Notes and Tips

The Delphi TC5379 comes pre-greased and includes all necessary mounting hardware for straightforward installation. Since the ball joint is press-in mounted and not greaseable, replacement should be done as a complete assembly to ensure proper fit and function. It is recommended to have alignment checked after installation to maintain optimal handling and tire wear. Use appropriate tools to avoid damage to the bushings and ball joint during removal and installation.

Quality Assurance and Warranty

This suspension control arm and ball joint assembly meets standard replacement grade specifications for durability and performance. Delphi provides quality manufacturing standards to ensure compatibility and reliability with the specified GM vehicles. Please refer to Delphi’s warranty policy for coverage details on this part number TC5379.