Delphi Suspension Arm - TC3919

This Delphi Wishbone / Suspension Arm (Part Number: TC3919) is designed for the front axle, right ...

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eBayWishbone / Suspension Arm fits MERCEDES E63 AMG S212, W212 6.2 09 to 15 M156.985
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Product Information

Full details

This Delphi Suspension Arm (TC3919) is for vehicle owners needing to replace a worn or damaged lower rear control/trailing arm on the front axle, right side. It offers a durable solution for restoring proper wheel suspension alignment and handling. A key consideration is that it is supplied without a ball joint, requiring it to be transferred from the old unit or sourced separately.

All features

Model Part NumberTC3919
BrandDelphi

Extended Product Information

FAQs

Does the Delphi TC3919 suspension arm come with a ball joint?

No, this suspension arm is supplied without a ball joint. You will need to transfer the existing ball joint if it is in good condition or purchase a new one separately.

What vehicles is the Delphi TC3919 suspension arm compatible with?

It is designed for the front axle, right side, lower rear position of specific Mercedes-Benz models, compatible with OEM references 2183300811 and 2183307400. Always use the vehicle fitment tool to confirm compatibility.

What is the length, height, and width of this suspension arm?

The arm measures 430 mm in length, 68 mm in height, and 90 mm in width.

Is a wheel alignment necessary after installing this part?

Yes, a professional wheel alignment is highly recommended after installing any suspension components to ensure proper geometry and prevent tire wear.

How do I know if my suspension arm needs replacement?

Symptoms include uneven tire wear, steering wheel vibration, a pulling sensation to one side, or audible noises like clunking or rattling from the front suspension.

What other part numbers cross-reference with the Delphi TC3919?

Key cross-references include A.B.S. 212123, AP FCAST 3139, and FEBI BILSTEIN 174666.

Troubleshooting

Vehicle pulling to one side after installation

This usually indicates that a wheel alignment is required. Ensure all bolts are torqued to specification.

Clunking or rattling noise from the front suspension

Check that all mounting bolts are securely tightened and that the ball joint (if transferred) is properly seated and secured. The noise could also indicate a separate suspension component issue.

Uneven tire wear developing

Immediately schedule a professional wheel alignment. This arm's function is to maintain alignment, so wear indicates an alignment issue.

Pros and Cons

Pros

  • Ensures proper vehicle alignment and stability.
  • Durable construction for long-lasting performance.
  • Designed as a direct replacement for specific OEM parts.
  • Helps maintain optimal tire wear.
  • Facilitates a smoother and safer driving experience.

Cons

  • Ball joint is not included and must be sourced separately.
  • Requires professional installation for proper fit and safety.
  • Fitment must be confirmed using the vehicle's make and model.
  • May require specialized tools for installation.

Setup, Compatibility & Care

Compatibility:

Before purchasing, it is critical to verify fitment for your specific vehicle using the make and model tool. This suspension arm is designed for the front axle, right side, lower rear position and is compatible with Mercedes-Benz OEM references 2183300811 and 2183307400. Cross-references include A.B.S. 212123, AP FCAST 3139, and FEBI BILSTEIN 174666.

Setup:

Installation of a suspension arm should always be performed by a qualified mechanic. The process typically involves:

  1. Safely lifting and securing the vehicle.
  2. Removing the old suspension arm.
  3. Transferring the ball joint from the old arm to the new Delphi TC3919, if applicable and in good condition. If not, a new ball joint must be fitted.
  4. Mounting the new suspension arm to the vehicle chassis and hub assembly.
  5. Tightening all fasteners to the manufacturer's specified torque.
  6. Performing a professional wheel alignment is highly recommended after installation.

Care:

Suspension arms are generally maintenance-free. However, regular visual inspections during routine maintenance can help identify potential issues. Look for signs of wear, cracks, or damage to the rubber bushings. Keep the area clean from excessive dirt and debris. If any unusual noises or handling changes occur, have the suspension system inspected immediately.

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