Delphi TC5031 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC5031 suspension control arm and ball joint assembly is engineered for precise fitment on select BMW models. Designed with durable aluminum construction and pre-greased components, this front left lower rearward control arm offers reliable suspension performance for vehicles like the BMW 328i and 335i.

• Pre-greased for immediate installation and reduced maintenance
• Aluminum control arm with casting and forged construction for strength and lightweight design
• Includes rubber bushings to absorb road vibrations and improve ride quality
• Press-in ball joint with threaded stud for secure mounting
• Standard replacement grade suitable for light suspension applications
• Compatible with front left lower rearward position on multiple BMW models
• Mounting hardware included for straightforward installation

Detailed Product Features and Specifications

The Delphi TC5031 control arm assembly is crafted from aluminum, combining casting and forging techniques to ensure durability while minimizing weight. It features a single mounting hole with a diameter of 34.5 mm and a maximum length of approximately 359 mm, designed to match OEM specifications. The assembly includes rubber bushings that help reduce noise and vibration, enhancing driving comfort. The ball joint is press-in mounted with a 14 mm threaded stud, providing a secure and reliable connection to the suspension system. This part is pre-greased, eliminating the need for additional lubrication during installation, although it does not include a grease fitting or allow for greasing after installation.

Compatible BMW Models and Applications

This suspension control arm and ball joint assembly is compatible with a range of BMW vehicles, including the 228i, 230i, 320i, 328d, 328i, 330e, 330i, 335i, 340i, 428i, 428i Gran Coupe, 430i, 430i Gran Coupe, 435i, 435i Gran Coupe, 440i, 440i Gran Coupe, ActiveHybrid 3, and M240i. It is specifically designed for the front left lower rearward suspension position, ensuring proper fit and function for these models.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling or noise
• Ball joint wear leading to steering instability or uneven tire wear
• Corroded or weakened control arm structure affecting suspension alignment
• Vibration and harshness due to deteriorated suspension components
• Replacement of OEM parts to restore factory suspension performance

Installation Notes and Tips

Before installation, verify the part number TC5031 matches your vehicle’s requirements. The assembly comes pre-greased and includes mounting hardware, simplifying the replacement process. Use proper tools to press out the old ball joint if necessary, and ensure all mounting points are clean and free of debris. Torque all fasteners to manufacturer specifications to maintain suspension integrity and safety.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The TC5031 control arm assembly is a standard replacement grade part designed for light suspension applications. While specific warranty details are not provided, Delphi products typically come with a limited warranty against defects in materials and workmanship.