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Fuel Tank Sender Unit - Bosch - 0986580343

Fuel Tank Sender Unit - Bosch - 0986580343

This Bosch Fuel Tank Sender Unit (part number 0986580343) is an electric fuel level sensor designe...

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Fuel Tank Sender Unit 0986580343 Bosch Gauge A2034701641 2034701641 Quality New

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Product Information

Full details

This guide provides essential information for owners and mechanics using the Bosch Fuel Tank Sender Unit (0986580343). It's designed to help ensure accurate fuel level readings in your Mercedes-Benz C-Class. While generally reliable, proper installation and regular checks are vital for optimal performance. This guide covers key features, performance, setup, and troubleshooting.

All features

Model Part Number0986580343
BrandBosch

Extended Product Information

FAQs

Where is the fuel tank sender unit located?

It is located in the auxiliary fuel tank.

What tools are needed for installation?

Basic hand tools such as a screwdriver, pliers, and possibly a socket set. A multimeter may be helpful for diagnostics.

Is professional installation required?

While not always required, professional installation is recommended if you are not familiar with fuel system components.

What if the part doesn't fit my vehicle?

Verify fitment using the make/model tool, and confirm the part number. Contact us for assistance if necessary.

How often should I replace the fuel tank sender unit?

The sender unit typically lasts for many years. Replace it if it fails or if the fuel gauge readings become inaccurate.

Can I return the part if it's the wrong one?

Yes, we offer returns; please refer to our return policy for details.

How do I test if the fuel sender is working?

You can test the sender unit with a multimeter to check the resistance. Check the fuel gauge with a full and empty tank of fuel to check for expected readings.

Troubleshooting

Fuel gauge shows incorrect readings.

Check the sender unit connections. If the issue persists, the sender unit may be faulty and need replacement.

Fuel gauge fluctuates erratically.

Inspect the wiring for any damage or corrosion. Also, inspect the fuel sender for debris.

Difficulty starting the engine.

Although not directly related, a faulty fuel sender can sometimes indicate other fuel system issues. Check the fuel pump and lines.

Pros and Cons

Pros

  • Accurate fuel level readings
  • Easy installation with included connectors
  • High-quality Bosch construction
  • Direct OEM replacement
  • Specifically designed for compatible Mercedes-Benz C-Class models

Cons

  • Requires professional installation for some users
  • Compatibility limited to specific Mercedes-Benz C-Class models and petrol engines
  • Auxiliary tank only

Setup, Compatibility & Care

Setup:

  1. Disconnect the vehicle's battery before starting any work on the fuel system.
  2. Locate the auxiliary fuel tank and access the sender unit.
  3. Remove the old sender unit, noting the position and connections.
  4. Install the new Bosch sender unit, ensuring all connections are secure.
  5. Reconnect the battery and test the fuel gauge.

Compatibility:

  • This sender unit is compatible with various Mercedes-Benz C-Class models (Saloon, Estate, Coupe).
  • It is designed for petrol engines.
  • Verify fitment using the make model tool or contact a professional for confirmation.

Care:

  • Avoid harsh chemicals when cleaning around the fuel tank.
  • Regularly inspect the sender unit and its connections for any signs of damage or wear.

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