MANN-FILTER Fuel filter diesel and petrol

What is necessary to know about Mann-Filter fuel filter

1. Mann+Hummel, a German manufacturing company which produces Mann-Filter fuel filters, started its business in 1941. The brand was used since the times of the company foundation. However, it was officially registered only in 1951.
2. These are parts of the premium price segment.
3. The largest production site of the company is the plant in Marklkofen, Germany.
4. Products of various construction can be found in the catalogue of the manufacturing company:
   • Spin-on. Housing and the filtering element are one compact unit. It should be replaced in an assembly during the technical servicing. Apart from the standard products, the manufacturer produces special models, for instance, for systems with high pressure fuel pump.
   • Inline. They are replaced in an assembly. Housing is made of plastics or metal. Both types efficiently protect the fuel supply system components during a continuous time period. Many spare parts perform additional functions. For example, they preliminarily heat up the fuel and control the pressure level.
   • Filter elements. They are added to the housing build into the engine. Only the cartridge should be replaced.
5. One can buy Mann-Filter fuel filters which differ in a production material of the working part. For instance, the manufacturer uses:
   • Felt. In dual-stage filtering systems it is used for coarse filtering of the fuel. It is rarely used for removing small contaminants.
   • Paper. Elements made of it, can be pleated or spiral.
   • Multigrade F material. It traps at least 95% of water and fine particles. This hi-tech multi-layered material is Mann+Hummel proprietary development.
6. Mann-Filter fuel filter frames are characterized by high durability and can withstand significant loads. They remain sealed during the whole service life. Thus, risk of leaking and accidental fuel ignition is practically eliminated.
7. The manufacturer uses high-quality seals, adapted to the impact of chemical compounds. Due to this, the risk of the fuel bypassing the filtering material is minimized.

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