Delphi TC646 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC646 suspension control arm and ball joint assembly is designed for front left lower suspension applications. Featuring a stamped steel construction and natural rubber bushings, this assembly provides reliable performance for vehicles requiring a standard replacement part. Pre-greased for immediate use, it offers a durable and maintenance-free solution for compatible makes and models.

• Pre-greased stamped steel control arm for durability
• Natural rubber bushings included for vibration dampening
• Bolt-in ball joint with threaded stud for secure mounting
• Two mounting holes with 0.559 inch diameter for precise fit
• Standard replacement grade for front left lower suspension position

Detailed Product Features and Specifications

The Delphi TC646 control arm assembly is constructed from stamped steel, providing strength and resistance to wear. The control arm measures approximately 17.913 inches (455 mm) in length and 15.394 inches (391 mm) in maximum width, painted black for corrosion resistance. It includes natural rubber bushings that help absorb road shocks and reduce noise. The ball joint is bolt-in type with a threaded stud measuring 2.874 inches (73 mm) in length, ensuring a secure and stable connection to the suspension system. This assembly is pre-greased and does not require additional lubrication, and it is not greaseable or adjustable. Mounting hardware is included to facilitate installation.

Common Applications and Problem Resolution

• Replacement for worn or damaged front left lower suspension control arms
• Eliminates clunking noises caused by loose or failing ball joints
• Restores proper wheel alignment and handling performance
• Addresses excessive vibration or uneven tire wear due to bushing deterioration
• Improves suspension stability and vehicle safety

Installation Notes and Tips

When installing the Delphi TC646 control arm and ball joint assembly, ensure the vehicle is securely lifted and supported. Remove the old control arm carefully, noting the position of mounting points. The bolt-in ball joint with threaded stud requires proper torque specifications to avoid premature wear. Since the assembly is pre-greased and non-greaseable, no additional lubrication is necessary. Verify alignment after installation to maintain optimal suspension geometry.

Quality Assurance and Warranty Information

Delphi suspension components meet standard replacement grade requirements, ensuring reliable performance and durability. The TC646 assembly is manufactured to strict quality standards, backed by Delphi's commitment to automotive part integrity. Warranty coverage details should be confirmed with the point of purchase or vehicle manufacturer guidelines.