Delphi TC2399 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC2399 suspension control arm and ball joint assembly is designed for precise fitment on select BMW models, including the 525i, 528i, 530i, and Z8. Engineered with durable aluminum construction and pre-greased components, this front left lower forward control arm offers reliable suspension performance for light suspension grade applications.

• Pre-greased for immediate installation and reduced maintenance
• Constructed from forged and cast aluminum for strength and lightweight durability
• Includes natural rubber bushings to absorb road vibrations
• Threaded ball joint stud measuring 3.583 inches in length
• Standard replacement grade designed for front left lower forward suspension position
• Gray finish with one mounting hole (0.484 inch diameter)
• Mounting hardware included for straightforward installation

Detailed Product Description

The Delphi TC2399 suspension control arm and ball joint assembly is specifically engineered for BMW vehicles such as the 525i, 528i, 530i, and Z8. Its aluminum control arm construction combines casting and forging techniques to provide a balance of strength and weight savings, which is critical for maintaining suspension geometry and vehicle handling. The assembly comes pre-greased, eliminating the need for additional lubrication during installation, although it does not include a grease fitting and is not greaseable after installation.

Natural rubber bushings are integrated to reduce noise and vibration, enhancing ride comfort. The ball joint features a threaded stud type, ensuring secure attachment and compatibility with factory suspension components. This control arm is designed for the front left lower forward position, with precise dimensions including a maximum length of 19.291 inches and a maximum width of 5.709 inches, ensuring proper fitment and alignment.

Common Applications and Problem Resolution

• Replacement for worn or damaged front left lower control arm on BMW 525i, 528i, 530i, and Z8
• Addresses suspension noise caused by deteriorated bushings or ball joints
• Restores proper wheel alignment and handling performance
• Eliminates excessive play or looseness in the front suspension
• Improves ride quality by maintaining suspension geometry

Installation Notes and Tips

Installation of the Delphi TC2399 control arm should be performed by a qualified technician familiar with BMW suspension systems. The assembly includes mounting hardware, but no grease fitting is provided, so no additional greasing is necessary due to the pre-greased design. Ensure all mounting points are clean and free of debris before installation. After installation, a professional wheel alignment is recommended to maintain optimal handling and tire wear.

Quality Assurance and Warranty

This Delphi suspension control arm and ball joint assembly meets standard replacement grade specifications, ensuring reliable performance and durability. Manufactured with high-quality aluminum and natural rubber components, it is designed to meet OEM standards for fit and function. Warranty details should be confirmed with the point of purchase or Delphi directly, as coverage may vary.