Delphi TC7663 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC7663 suspension control arm and ball joint assembly is designed for front left upper positioning on select Cadillac, Chevrolet, and GMC trucks and SUVs. This pre-greased, steel control arm offers a durable replacement option engineered to meet standard OEM specifications.

• Pre-greased for immediate use
• Includes rubber bushings for vibration dampening
• Bolt-in ball joint with threaded stud for secure mounting
• Constructed from forged and cast steel for strength
• Compatible with front left upper suspension on multiple GM models

Durable Construction and Design Features

The TC7663 control arm is manufactured using a combination of casting and forging processes, resulting in a robust steel component built to withstand the rigors of daily driving. Its black finish provides corrosion resistance, while the included rubber bushings help absorb road shocks and reduce noise. The ball joint is designed with a bolt-in mounting type and a threaded stud, ensuring a secure and reliable connection to the vehicle’s suspension system. This assembly is pre-greased, eliminating the need for immediate maintenance after installation.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with front left upper suspension positions on a range of GM vehicles, including:

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche, Silverado 1500, Suburban 1500, Tahoe
• GMC Sierra 1500, Yukon, Yukon XL, Yukon XL 1500

Part number TC7663 is specifically designed to meet the suspension requirements of these models, ensuring proper fit and function.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Corroded or bent control arms affecting wheel alignment
• Excessive suspension noise or vibration
• Reduced handling performance due to suspension component wear

Installation Notes and Tips

Installation of the Delphi TC7663 control arm requires removal of the existing front left upper suspension control arm. Since mounting hardware is not included, reuse of original bolts or purchase of new hardware is necessary. The pre-greased ball joint simplifies installation, but it is recommended to inspect all suspension components during replacement. Proper torque specifications should be followed to ensure safety and performance.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards. The TC7663 assembly is a standard replacement grade part, designed for reliable performance and durability. While specific warranty details are not provided, Delphi products typically come with a limited warranty against defects in materials and workmanship.