The Oni Tools Fuel System Priming Pump, No. ONI581T, can prime the fuel system on various engine models, including the Detroit Diesel Series 60, MBE 900, MBE 4000, DD13, and DD15 engines. The tool features a stainless steel tank filled with pressurized diesel fuel and comes with a pressure gauge. The ONI581T includes a Schrader valve that allows filling with a compressor. It can be used for Maxxforce 11 and 13 engines from 2010 and newer, as well as N13 engines with SCR from 2013 and newer. It comes with a limited lifetime warranty.