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Gates Fuel Hose - MFL1275

Gates Fuel Hose - MFL1275

The Gates MFL1275 Moulded Fuel Hose is a high-quality replacement part designed for reliable perfo...

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eBayGATES MFL1275 Fuel Hose for MERCEDES-BENZ
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£9.64
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My Motor WorldGates MFL1275 Fuel Hose
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Product Information

Full details

The Gates MFL1275 Moulded Fuel Hose is an essential replacement component designed for automotive technicians and DIY enthusiasts working on Mercedes-Benz diesel fuel systems. Engineered to bridge the gap between the fuel filter and the injection pump, this hose ensures consistent, leak-free fuel delivery for reliable engine performance. While it offers high durability and precise OEM-level fitment, users should note it is a vehicle-specific component that requires careful handling during installation to prevent kinking or improper sealing.

All features

Model Part NumberMFL1275
BrandGates

Extended Product Information

FAQs

Is this hose compatible with biodiesel?

While Gates hoses are highly durable, please refer to your vehicle manufacturer's manual regarding fuel compatibility requirements for your specific engine.

Can I trim this hose if it is too long?

No. The MFL1275 is a moulded hose with a specific shape and length; trimming it will likely cause it to kink or fail to reach the necessary connection points.

Does this package include new hose clamps?

The product is the hose itself; it is recommended to inspect your existing clamps for corrosion and replace them if they no longer provide consistent tension.

Why is the hose clear?

The transparent material is a functional design choice that helps technicians identify air locks in the fuel system during maintenance or troubleshooting.

How often should I replace this fuel hose?

It should be inspected during every fuel filter service and replaced if you notice hardening, cracking, or internal discoloration.

Troubleshooting

Fuel leak at the connection point

Check that the hose is fully seated on the fitting and ensure the hose clamp is positioned correctly and tightened firmly.

Air bubbles appearing inside the transparent hose

This may indicate a poor seal at the filter inlet or outlet; re-seat the hose and verify that the fuel filter housing seals are not compromised.

Hose appears collapsed or kinked

Verify that the hose path is free of obstructions and that it has not been installed with an improper twist, as the moulded shape must align with the factory layout.

Pros and Cons

Pros

  • Exact fit for specific Mercedes-Benz fuel systems
  • Transparent material aids in troubleshooting fuel line air leaks
  • High-quality construction from a trusted industry brand
  • Direct replacement saves time compared to universal hose cutting

Cons

  • Specific to select Mercedes-Benz models only
  • Requires proper clamp tension to prevent leaks
  • Moulded shape does not allow for routing flexibility

Setup, Compatibility & Care

To install the MFL1275, ensure the engine is cool and the fuel system is depressurized. Remove the old hose by carefully loosening the clamps, ensuring no fuel spills onto hot engine components. Slide the Gates MFL1275 into position, ensuring the ends are fully seated over the metal fittings. Re-secure the clamps tightly, but avoid over-tightening which can damage the moulded ends. This hose is compatible with Mercedes-Benz vehicles using the specified OEM reference numbers. To maintain the hose, periodically inspect it for signs of hardening or cracking during routine oil changes. Keep the hose free of harsh degreasers and ensure it does not rub against sharp metal brackets, as vibration over time can cause friction wear.

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