Delphi TC6666 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC6666 suspension control arm and ball joint assembly is designed for front left lower suspension applications on select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. This pre-greased, medium-grade suspension component offers reliable performance and durability for vehicles such as the Buick Skylark, Chevrolet Cavalier, and Pontiac Grand Am.

• Pre-greased for immediate use and reduced maintenance
• Includes grease fitting for easy lubrication
• Medium suspension grade for balanced ride and handling
• Stamped metal control arm construction in black finish
• Press-in ball joint with threaded stud for secure mounting
• Includes bushings and mounting hardware
• Greaseable design to extend service life
• Control arm dimensions: maximum width 16.14 inches (410.2 mm), maximum length 13.33 inches (338.6 mm)
• Ball joint stud length 1.444 inches (36.7 mm) with 0.472 inch thread diameter

Detailed Product Description

The Delphi TC6666 suspension control arm and ball joint assembly is engineered to meet standard replacement requirements for front left lower suspension on various GM vehicles. Constructed from stamped metal, this control arm provides structural integrity while maintaining a manageable weight. The assembly comes pre-greased and includes a grease fitting, allowing for straightforward maintenance and prolonged component life. The ball joint features a press-in mounting type with a threaded stud, ensuring a secure fit and compatibility with factory suspension setups. Bushings are included to reduce vibration and noise, contributing to a smoother driving experience. The black finish offers corrosion resistance and a clean appearance under the vehicle.

Compatible Vehicles and Applications

• Buick Achieva, Skylark
• Cadillac Cimarron
• Chevrolet Cavalier, Corsica
• Oldsmobile Firenza, Cutlass Calais
• Pontiac Grand Am, Sunbird, Skyhawk

Common Suspension Issues Addressed

• Worn or damaged ball joints causing steering play
• Control arm bushings deteriorated leading to noise and vibration
• Corroded or bent control arms affecting wheel alignment
• Loss of suspension stability and handling precision
• Difficulty maintaining proper suspension geometry

Installation Notes and Tips

Installation of the Delphi TC6666 control arm and ball joint assembly requires standard suspension tools and mechanical knowledge. Since the ball joint is press-in type with a threaded stud, ensure proper torque specifications are followed during installation. The included grease fitting allows for post-installation lubrication; regular greasing is recommended to maintain optimal performance. Verify vehicle compatibility before installation to ensure correct fitment on the front left lower suspension position.

Quality Assurance and Warranty

This Delphi suspension control arm and ball joint assembly is manufactured to meet OEM standards for fit, form, and function. It is designed as a standard replacement part to restore suspension performance. Delphi products typically come with a limited warranty covering defects in materials and workmanship; please refer to Delphi's official warranty policy for specific terms.