Delphi TC1390 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC1390 suspension control arm and ball joint assembly is designed for front left lower forward positioning on select BMW models. This pre-greased, durable component ensures reliable suspension performance and precise handling for vehicles such as the BMW 525i, 528i, 530i, 535i, 545i, 550i, and M5.

• Pre-greased for immediate use and reduced maintenance
• Includes grease fitting for easy lubrication
• Equipped with neoprene rubber bushings for vibration dampening
• Press-in ball joint mounting type for secure fitment
• Constructed from casting/forged 6082 aluminum alloy for strength and durability
• Standard replacement grade for reliable OEM-level performance
• Control arm finished in white for corrosion resistance

Durable Construction and Design Features

The Delphi TC1390 control arm assembly features a robust casting and forging process using 6082 aluminum alloy, providing a balance of strength and lightweight performance. The included neoprene rubber bushings help absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint is press-in mounted, ensuring a secure and stable connection to the suspension system. Additionally, the assembly comes pre-greased and includes a grease fitting, allowing for straightforward maintenance and extended component life.

Compatible BMW Models and Applications

This suspension control arm and ball joint assembly is compatible with a range of BMW vehicles, including the 525i, 528i, 528i xDrive, 530i, 535i, 545i, 550i, and M5 models. It is specifically designed for the front left lower forward position, making it a precise replacement part for maintaining proper suspension geometry and vehicle handling characteristics.

• Restores proper suspension alignment and handling
• Eliminates clunking or knocking noises from worn control arms
• Reduces uneven tire wear caused by faulty suspension components
• Improves steering response and vehicle stability
• Addresses vibration and harshness issues in the front suspension

Installation Notes and Tips

When installing the Delphi TC1390 control arm assembly, ensure the vehicle is securely lifted and supported. Since the assembly comes pre-greased and includes a grease fitting, apply fresh grease through the fitting after installation to maintain optimal lubrication. Note that mounting hardware is not included, so retain or source the necessary bolts and fasteners from the original assembly or a trusted supplier. Proper torque specifications should be followed to ensure safe and effective installation.

Quality Assurance and Warranty Information

Delphi suspension components meet standard replacement grade requirements, providing reliable performance consistent with OEM specifications. The TC1390 control arm assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to support long-term customer confidence.