Delphi TC7426 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC7426 suspension control arm and ball joint assembly is designed for front right lower positioning on select Chevrolet and GMC heavy-duty trucks. Engineered with durable steel construction and pre-greased components, this assembly provides reliable medium-grade suspension performance for demanding driving conditions.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber and steel bushings for enhanced durability
• Steel control arm constructed with casting and forging methods
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Chevrolet Silverado 2500 HD, 3500 HD and GMC Sierra 2500 HD, 3500 HD models

Technical Details and Construction

The TC7426 control arm features a robust steel construction combining casting and forging techniques to ensure strength and longevity. The assembly includes rubber and steel bushings that help absorb road vibrations and maintain suspension alignment. The ball joint is press-in mounted with a threaded stud measuring 0.63 inches in diameter and 1.378 inches in length, providing a secure and precise fit. This assembly is pre-greased, eliminating the need for additional lubrication during installation, though it is not greaseable or equipped with a grease fitting.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is specifically designed for the front right lower position on Chevrolet Silverado 2500 HD and 3500 HD, as well as GMC Sierra 2500 HD and 3500 HD trucks. It is intended as a standard replacement part for medium-grade suspension systems, ensuring proper fit and function for these heavy-duty models.

• Restores proper suspension geometry and handling
• Replaces worn or damaged control arms and ball joints
• Addresses front-end clunking or uneven tire wear
• Improves vehicle stability and steering response
• Eliminates excessive suspension noise or play

Installation Notes and Tips

Installation of the Delphi TC7426 control arm and ball joint assembly requires removal of the existing front right lower suspension components. Since the ball joint is press-in mounted, professional tools and techniques are recommended for safe removal and installation. The assembly comes pre-greased and includes bushings and mounting hardware, but it is not adjustable or greaseable after installation. Verify compatibility with your Chevrolet Silverado or GMC Sierra model year before installation.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM specifications for fit, form, and function. The TC7426 assembly is a standard replacement grade part designed for reliable performance in medium-duty suspension applications. While specific warranty details are not provided, Delphi products typically come with a limited warranty covering defects in materials and workmanship.