Delphi TC978 Suspension Control Arm and Ball Joint Assembly - Front Left

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC978 suspension control arm and ball joint assembly is designed for front left applications on select Volvo models, including the 850, C70, S70, and V70. This pre-greased, stamped steel control arm offers reliable performance and includes all necessary bushings and mounting hardware for a straightforward replacement.

• Pre-greased for immediate installation
• Stamped steel construction for durability
• Includes rubber and steel bushings
• Mounting hardware included for convenience
• Designed specifically for front left position
• Compatible with Volvo 850, C70, S70, and V70 models

Durable Construction and Design Features

The Delphi TC978 control arm features a stamped steel construction finished in black to resist corrosion and wear. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber and steel bushings are included to provide effective vibration dampening and maintain proper suspension alignment. Although the control arm is not adjustable or greaseable, it is engineered to meet standard replacement specifications for the front left suspension of compatible Volvo vehicles.

Compatible Volvo Models and Applications

This suspension control arm and ball joint assembly is compatible with the following Volvo models: 850, C70, S70, and V70. It is designed specifically for the front left position, ensuring proper fitment and function. The part number TC978 should be referenced when searching for a replacement control arm for these vehicles to ensure compatibility and performance.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing suspension noise or vibration
• Loose or failing ball joint affecting steering stability
• Corroded or bent control arm compromising vehicle alignment
• Uneven tire wear due to suspension component failure
• Difficulty maintaining proper suspension geometry

Installation Notes and Tips

Installation of the Delphi TC978 control arm assembly is simplified by the inclusion of mounting hardware and pre-greased components. It is recommended to verify the front left position before installation and to inspect related suspension components for wear. Proper torque specifications should be followed to ensure secure mounting. Since this control arm is not adjustable, alignment should be checked and corrected after installation.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards for durability and performance. The TC978 control arm assembly is a standard replacement grade part, backed by Delphi's quality assurance processes. Please consult Delphi's warranty policy for specific coverage details related to this suspension control arm and ball joint assembly.