Description Mann Preline 420/1 Fuel Filter Housing (Part Number 6660662251) Product Specifications Ever higher injection pressures are applied in modern engines to enhance fuel economy. The injection systems installed for this purpose demand a very high level of fuel cleanliness: there must be hardly any contaminant particles or water (condensate) in the fuel. To achieve this, MANN HUMMEL fuel filters utilize highly efficient Multigrade filter media. The MANN HUMMEL PreLine achieves over 93% water separation in accordance with ISO/TR 16 332, thus meeting the specification set by leading manufacturers of fuel injection systems. The perfectly coordinated interaction of the PreLine prefilter system and the main fuel filter provides maximum protection for the sensitive injection systems and helps the engine to run efficiently. Elements used in this PreLine 420/1 Fuel Filter Housing Main element PL 420/1 x Water level sensor: YES Hand Pump: YES Optional Diesel Heater: YES See pages 20 to 21 in the Mann PreLine Catalogue Mann PreLine Advantages Use with diesel fuel DIN ISO 590 (5 % FAME), DIN 51 628 (7 % FAME), Kerosene JET-A1 Up to 250 l/h volume flow rate Use of multigrade high performance media 93 % water separation Modular system with excellent flexibility Easy to service Integrated, effective and easy to handle hand pump with 45?? position to drain off water and for priming during service Integrated water collector Parallel operation possible with a number of systems 66 606 62 251
