Delphi TC7800 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC7800 suspension control arm and ball joint assembly is designed for front left lower suspension applications on Mazda 6 and Mazda CX-5 models. This pre-greased, stamped steel control arm features natural rubber bushings and a press-in ball joint with a grooved stud, engineered to maintain suspension integrity and vehicle handling.

• Pre-greased for immediate installation
• Stamped steel control arm construction in black finish
• Includes natural rubber bushings for vibration dampening
• Press-in ball joint with grooved stud for secure mounting
• Designed for front left lower suspension position
• Compatible with Mazda 6 and Mazda CX-5 models

Detailed Product Features and Specifications

The Delphi TC7800 control arm assembly is built with a stamped steel arm measuring approximately 5.906 inches in length and 1.22 inches in maximum width, finished in durable black coating to resist corrosion. It includes three mounting holes with diameters ranging from 0.55 to 0.93 inches, ensuring precise fitment. The ball joint features a 0.787 inch (20 mm) thread diameter and a 2.756 inch (70 mm) stud length, designed for press-in installation without grease fittings. Natural rubber bushings are integrated to provide suspension grade light damping, improving ride comfort and reducing noise. This assembly is a standard replacement grade part, engineered to meet OEM specifications for Mazda vehicles.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with the following vehicles:

• Mazda 6 (front left lower suspension)
• Mazda CX-5 (front left lower suspension)

It is specifically designed to replace worn or damaged front left lower control arms on these models, restoring proper suspension geometry and handling characteristics.

Common Suspension Issues Addressed

• Excessive play or looseness in the front left lower suspension
• Uneven tire wear caused by worn control arm bushings
• Clunking or knocking noises during driving or over bumps
• Poor steering response or alignment problems
• Vibration or instability at higher speeds

Installation Notes and Tips

The Delphi TC7800 control arm assembly comes pre-greased and does not include grease fittings or mounting hardware. It is designed for press-in ball joint installation, so specialized tools may be required for removal and installation. Ensure all mounting holes align correctly and torque specifications are followed according to Mazda service manuals. Since the part is not adjustable, verify fitment before installation. Professional installation is recommended to maintain suspension safety and performance.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The TC7800 assembly is a standard replacement grade part backed by Delphi's quality control processes. Warranty coverage details should be confirmed with the point of purchase or Delphi directly.