Delphi TC3026 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC3026 suspension control arm and ball joint assembly is designed for front left upper suspension on Land Rover LR3, LR4, and Range Rover Sport models. This pre-greased, stamped steel control arm comes with rubber bushings and mounting hardware included, providing a reliable replacement part engineered to meet standard OEM specifications.

• Pre-greased for immediate installation
• Stamped steel construction for durability
• Includes rubber bushings and mounting hardware
• Threaded ball joint stud with 0.472 inch diameter
• Compatible with Land Rover LR3, LR4, Range Rover Sport (front left upper position)

Detailed Product Features and Specifications

The Delphi TC3026 control arm assembly features a stamped steel construction finished in black, ensuring strength and corrosion resistance. It includes rubber bushings that help absorb road vibrations and reduce noise. The ball joint stud is threaded with a diameter of 12.0 mm (0.472 inches) and a stud length of 34.0 mm (1.339 inches), designed for secure attachment and smooth steering response. This assembly is pre-greased but does not include a grease fitting and is not greaseable after installation. The control arm measures approximately 290.1 mm (11.421 inches) in length and 108.8 mm (4.283 inches) in maximum width, with one mounting hole of 14.2 mm (0.559 inches) diameter. Mounting hardware is included to facilitate installation.

Compatible Vehicles and Application

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

• Land Rover LR3 (front left upper suspension)
• Land Rover LR4 (front left upper suspension)
• Range Rover Sport (front left upper suspension)

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joint resulting in uneven tire wear
• Excessive suspension noise or vibration
• Misalignment affecting vehicle handling
• Corroded or bent control arm compromising suspension geometry

Installation Notes and Tips

Before installation, verify the part number TC3026 matches your vehicle’s requirements. The assembly comes pre-greased and includes mounting hardware, simplifying the replacement process. Since the ball joint is threaded, ensure proper torque specifications are followed during installation. This control arm is not adjustable and does not require additional greasing after installation. Professional alignment is recommended after replacement to maintain proper suspension geometry and vehicle handling.

Quality Assurance and Warranty

The Delphi TC3026 suspension control arm and ball joint assembly is a standard replacement grade part manufactured to meet OEM standards. Delphi provides quality assurance through rigorous testing and material standards. Warranty coverage details should be confirmed with the point of purchase or Delphi directly, as warranty terms may vary.