PreLine® Pre-filter for diesel fuel
Mann + Hummel uses high performance multigrade media for the filtration of the fuel.
The Mann + Hummel PreLine series separates more than 93% according to ISO/TR 16 332 of water present in the fuel and so fulfils the requirements of leading injection system producers.
The perfectly matched interaction between the PreLine pre-filter and the Mann + Hummel main filter offers maximum protection for the sensitive injection system and contributes to the economic running of your engine.




in the 2022/2023 season in the 1st Bundesliga.
Animation video regarding the principle of operation of a Krone gap tube filter
We produce our oil bath air cleaners themselves "Made in Germany". The high-quality oil bath air cleaners, are identical to Mann & Hummel products. Oil bath air cleaners and inserts can be found in our online shop.
OUR ONLINE-SHOPWe carry high quality and robust filters for the industry in our online shop. In addition to the reliable filters by MANN + HUMMEL you can also find air and liquid filters of our own production.
OUR ONLINE-SHOP