Delphi TC389 Suspension Control Arm and Ball Joint Assembly - Rear Lower or Rear Lower Rearward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC389 suspension control arm and ball joint assembly is engineered for rear lower suspension applications on select Mercedes-Benz models. Designed with durable steel construction and integrated bushings, this assembly provides reliable performance for vehicles such as the Mercedes-Benz 190E, E320, and SL500.

• Steel control arm with casting and forged construction for strength
• Includes rubber, steel, and aluminum bushings for vibration dampening
• Threaded ball joint stud with 10.0 mm diameter and 0.661 inch length
• Standard replacement grade suitable for light suspension use
• Black finish for corrosion resistance and durability
• Mounting hardware included for straightforward installation
• Designed specifically for rear lower and rear lower rearward suspension positions

Detailed Product Description

The Delphi TC389 suspension control arm and ball joint assembly is crafted from high-quality steel using a combination of casting and forging processes to ensure structural integrity and longevity. The assembly features integrated bushings made from a combination of rubber, steel, and aluminum, which help absorb road vibrations and reduce noise for a smoother ride. The ball joint stud is threaded with a 10.0 mm diameter and a length of 0.661 inches, providing a secure connection to the suspension system. This part is designed for light suspension grade applications and is finished in black to resist corrosion. It is position-specific, intended for the rear lower and rear lower rearward locations on compatible Mercedes-Benz vehicles.

Compatible Mercedes-Benz Models

This suspension control arm and ball joint assembly is compatible with a range of Mercedes-Benz models, including but not limited to the 190E, 260E, 300D, 300E, 300TE, C36 AMG, C220, C230, C280, CLK55 AMG, CLK320, CLK430, E55 AMG, E300, E320, E420, E430, E500, SL320, SL500, SL600, SLK32 AMG, SLK230, and SLK320. Ensure compatibility by verifying the rear lower suspension position on your specific vehicle.

Common Suspension Issues Addressed

• Excessive suspension noise or clunking from worn control arms
• Uneven tire wear due to misaligned suspension components
• Reduced handling stability and steering response
• Vibration or harshness transmitted through the suspension
• Loose or damaged ball joints affecting vehicle safety

Installation Notes and Tips

Installation of the Delphi TC389 control arm and ball joint assembly requires proper tools and mechanical knowledge. Since the assembly includes bushings and a threaded ball joint stud, ensure all mounting points are clean and free of debris before installation. Torque all fasteners to manufacturer specifications. This part is not adjustable and does not include grease fittings, so no additional lubrication is necessary during installation.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The TC389 assembly is a standard replacement grade part designed for reliable performance in light suspension applications. While specific warranty details are not provided, Delphi products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.