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Suspension Link - Delphi - TC3789

Suspension Link - Delphi - TC3789

This Delphi Suspension Link (Part Number: TC3789) is a high-quality control trailing arm designed ...

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eBayTC3789 DELPHI Rod/Strut, wheel suspension for BMW,MINI
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Product Information

Full details

The Delphi TC3789 Suspension Link is designed for automotive technicians and DIY enthusiasts looking to restore rear-axle stability and handling precision in compatible vehicles. This high-quality semi-trailing arm provides a durable, engineered solution for maintaining factory-spec suspension geometry, though it is important to note that this specific component does not include a pre-installed ball joint, requiring separate procurement or reuse of existing hardware.

All features

Model Part NumberTC3789
BrandDelphi

Extended Product Information

FAQs

Does this part come with a ball joint?

No, the Delphi TC3789 is the suspension link arm only and does not include a ball joint.

Do I need to replace both sides at once?

While not strictly required, it is best practice to replace suspension links in pairs to ensure balanced handling and consistent wear.

What are the dimensions of this suspension link?

The component measures 577 mm in length, 48 mm in height, and 40 mm in width.

Can I install this at home?

If you have the proper tools and mechanical experience, it is possible, though professional installation is recommended due to the safety-critical nature of suspension work.

Is an alignment necessary after installing this part?

Yes, any significant change to suspension components necessitates a professional alignment to prevent uneven tire wear and ensure vehicle safety.

What is the primary function of this part?

It serves as a semi-trailing arm to connect and stabilize the rear axle assembly, ensuring correct wheel tracking.

Troubleshooting

Persistent clunking sound after installation

Re-check all mounting bolts and ensure they are tightened to the manufacturer's specified torque settings.

Vehicle pulling to one side

The installation of new suspension components requires a professional four-wheel alignment to adjust camber and toe settings.

Component does not align with mounting points

Verify you are using the correct Delphi part number for your specific chassis code or manufacturing year.

Pros and Cons

Pros

  • Meets or exceeds original equipment manufacturing standards
  • High-grade material construction for enhanced durability
  • Precise fitment reduces installation time and labor
  • Optimized for specific rear-axle handling performance

Cons

  • Does not include a ball joint
  • Requires professional alignment after installation
  • Compatibility is vehicle-specific, requiring VIN or model checks

Setup, Compatibility & Care

Before beginning installation, verify fitment using the vehicle compatibility tool to cross-reference your specific make and model. During setup, ensure the vehicle is safely supported on jack stands or a lift. Since the part does not include a ball joint, inspect your existing ball joints for wear before assembly; it is often recommended to replace them simultaneously. Proper torque settings are vital during installation; always refer to the service manual for your specific vehicle. Regularly inspect the arm for signs of corrosion or rubber bushing fatigue during your annual vehicle maintenance.

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