Delphi TC5033 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC5033 suspension control arm and ball joint assembly is designed for front left lower forward applications on select BMW models. Engineered with durable aluminum construction and pre-greased components, this assembly offers reliable suspension performance for vehicles such as the BMW 328i, 330i, and 435i.

• Pre-greased for immediate installation
• Aluminum control arm with casting and forging construction
• Includes rubber bushings for vibration dampening
• Press-in ball joint with threaded stud (14.0 mm thread diameter)
• Standard replacement grade for light suspension use
• Compatible with multiple BMW models including 228i, 320i, 340i, and M240i

Durable Construction and Design Features

The TC5033 control arm assembly features a robust aluminum control arm constructed through casting and forging processes, ensuring strength while maintaining a lightweight profile. The gray-colored arm measures up to 18.11 inches in length and 5.512 inches in width, designed to fit precisely in the front left lower forward position. Rubber bushings are included to reduce noise and absorb road vibrations, enhancing ride comfort. The ball joint is press-in mounted with a threaded stud, providing secure attachment and compatibility with factory suspension components.

Compatible BMW Models and Applications

This Delphi 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, M235i, and M240i. It is specifically designed for the front left lower forward suspension position, making it a precise replacement part for these models.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Corroded or bent control arms affecting suspension alignment
• Excessive vibration or noise from front suspension components
• Reduced handling performance due to suspension component wear

Installation Notes and Tips

Installation of the Delphi TC5033 control arm assembly requires standard suspension tools and mechanical knowledge. Since the ball joint is press-in mounted and the assembly comes pre-greased, no additional lubrication is necessary. Ensure proper torque specifications are followed for mounting hardware to maintain suspension integrity. This part is not adjustable and does not include a grease fitting, so routine maintenance should focus on inspection rather than re-greasing.

Quality Assurance and Warranty

Delphi suspension components meet standard replacement grade requirements, providing reliable performance for light suspension applications. The TC5033 assembly is manufactured to OEM specifications, ensuring fit and function for compatible BMW models. While specific warranty details are not provided, Delphi parts typically come with a limited warranty against defects in materials and workmanship.