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Fuel pre-filters

Not only dirt particles but also water droplets have a direct effect on components of the injection system. This is particularly important for modern common rail systems, which place high demands on fuel quality. Fuel pre-filters from MANN+HUMMEL reduce the level of contamination of the fuel with water even before the feed pump in the low-pressure circuit, thus reliably protecting the injection system. MANN+HUMMEL offers also economical, pressure-loss optimized and high-flow inline filters. 

The innovative WAVELOCK bayonet interface for various liquid filter applications enables easy, quick and clean servicing. Read more about WAVELOCK.

Technical featuresFuel pre-filters
Volume flow range50 – 1200 l/h
Water separationUp to 99 %
Initial filtration efficiency> 40 % - 85 % @ 4 µm (c)
Service interval1000 h or 150.000
Operating temperature-40 °C up to 120 °C

Product benefits

  • Highly efficient protection of the injection system against water and particles
  • Highly efficient MULTIGRADE filter media
  • Unique three-stage water separation
  • High dirt holding capacity
  • Modular system for excellent flexibility

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Further information

New standard for modern engines

Modern engines in commercial vehicles place high demands on diesel fuel filters. MANN+HUMMEL offers efficient water separation and an improved filter head to ensure the required fuel quality.

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Learn more about technical details, characteristic curves and order numbers in our catalogs, installation and maintenance instructions.