Delphi TC5445 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC5445 suspension control arm and ball joint assembly is designed for front left upper suspension applications on select Chevrolet, GMC, Isuzu, and Oldsmobile models. This pre-greased, steel control arm assembly offers a reliable replacement option for vehicles such as the Chevrolet Blazer, GMC Jimmy, and Isuzu Hombre.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Steel construction with casting and forging for durability
• Press-in ball joint with threaded stud for secure fitment
• Compatible with front left upper suspension positions

Product Features and Specifications

The TC5445 control arm assembly features a light suspension grade type suitable for standard replacement needs. Its steel construction combines casting and forging methods to provide strength and longevity. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to help absorb road vibrations and reduce noise. The ball joint is press-in mounted with a threaded stud measuring approximately 2.72 inches in length, ensuring a secure and precise fit. Mounting hardware is also included for a complete installation package. The control arm measures approximately 11.61 inches in length and 11.42 inches in width, finished in black for corrosion resistance.

Compatible Vehicles and Applications

This Delphi suspension control arm and ball joint assembly is compatible with the following makes and models:

• Chevrolet Blazer, S10, S10 Blazer
• GMC Jimmy, Sonoma
• Isuzu Hombre, S15, S15 Jimmy
• Oldsmobile Bravada

Designed specifically for the front left upper suspension position, the TC5445 part number ensures proper fitment and function for these vehicles.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Excessive suspension noise or vibration
• Misalignment affecting vehicle handling
• Corroded or weakened control arm structure

Installation Notes and Tips

Before installation, verify the part number TC5445 matches your vehicle’s requirements. The assembly comes pre-greased and includes all necessary mounting hardware, simplifying the replacement process. Since the ball joint is press-in mounted with a threaded stud, proper tools are recommended to ensure secure installation. This control arm is not adjustable and does not include grease fittings, so no additional lubrication is necessary after installation. Professional alignment is advised following replacement to maintain optimal suspension geometry.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards for durability and performance. The TC5445 control arm assembly is a standard replacement grade part, backed by Delphi’s quality control processes. While specific warranty details may vary, Delphi typically offers limited warranties covering defects in materials and workmanship to provide confidence in your purchase.