WF Donaldson Universal Pre-Filter 12mm (1/2") Kit:15 Micron Filtration - Suitable for Modern Diesel EnginesKit Contains 12mm (1/2") Fuel Hose*** Filter elements available in 15, 11 and 3 Micron sizes.Engine Protection Built for Harsh Australian ConditionsProtect your diesel fuel system from expensive damage with the Donaldson Diesel Pre-Filter Kit. This high-quality pre-filter removes water, rust, and fine contaminants before they reach your factory fuel filter.Modern common-rail diesel engines operate at extreme pressures (up to 3,100 bar / 45,000 psi). Even small amounts of water or dirt can destroy injectors or high-pressure fuel pumps — repairs that often cost thousands of dollars. This pre-filter adds an essential first line of defence.Key Benefits of the Donaldson Pre-Filter.
