Delphi TC1728 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC1728 suspension control arm and ball joint assembly is designed for front right lower suspension applications on select BMW models. Engineered with durable aluminum construction and pre-greased components, this assembly provides reliable performance and precise fitment for BMW 320i, 323i, 325Ci, 325i, 328Ci, 328i, 330Ci, 330i, and Z4 vehicles.

• Pre-greased for immediate installation
• Includes rubber, steel, and aluminum bushings
• Threaded ball joint stud for secure mounting
• Durable aluminum control arm with casting and forging construction
• Mounting hardware included for complete replacement
• Standard replacement grade for front right lower suspension
• Compatible with multiple BMW 3 Series and Z4 models

Technical Details and Construction

The Delphi TC1728 control arm assembly features a robust aluminum control arm constructed through casting and forging processes, ensuring strength and resistance to corrosion. The assembly includes pre-installed rubber, steel, and aluminum bushings that help absorb road vibrations and maintain suspension alignment. The ball joint stud is threaded, with multiple thread diameter and stud length options to match exact OEM specifications. This assembly is designed without grease fittings but comes pre-greased, eliminating the need for additional lubrication during installation.

Compatible BMW Models and Applications

This suspension control arm and ball joint assembly is compatible with the front right lower position on BMW 320i, 323i, 325Ci, 325i, 328Ci, 328i, 330Ci, 330i, and Z4 models. It is engineered to meet the specific suspension geometry and load requirements of these vehicles, ensuring proper handling and ride quality.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing alignment problems
• Loose or failing ball joints leading to steering instability
• Corroded or cracked control arms affecting suspension integrity
• Excessive suspension noise or vibration from faulty components
• Uneven tire wear due to suspension misalignment

Installation Notes and Tips

Installation of the Delphi TC1728 control arm assembly requires standard suspension tools and mechanical knowledge. Since the assembly is pre-greased and includes mounting hardware, it simplifies the replacement process. It is important to torque all fasteners to manufacturer specifications and perform a wheel alignment after installation to ensure optimal suspension performance and tire wear.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards. The TC1728 assembly is a standard replacement grade part backed by Delphi's quality control processes. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.