【STRONG COMPATIBILITY】 Fuel System Coupler Fitting Tool Fit for Detroit Diesel S60, Cummins, Caterpillar, MBE900, MBE4000 Engines. 【FAST AND SECURE CONNECTION】 Fuel system coupler fitting is connected to the hose of ONI581T and assists with fuel system priming by connecting to the fuel system through a “compu-check” quick connect fitting, for Detroit Diesel S60, MBE900, MBE4000, DD13, and DD15 Fuel System Priming Pump.
