Thank you for shopping at MaruyamaParts.com and for using the parts lookup system to find parts for your MS413ECH. You have selected the Engine (Fuel Tank, Muffler, Recoil Starter) diagram for the Maruyama MS413ECH Piston Pumps. Below you will find an interactive part diagram for the MS413ECH Engine (Fuel Tank, Muffler, Recoil Starter). If you find the part in the diagram you need you may click on the item number in the diagram or find it in the parts list below the diagram. For the MS413ECH parts not shown in this diagram you may select from one of the other MS413ECH part assemblies or select a different Piston Pumps altogether. Thanks for shopping with us at MaruyamaParts.com and for making us your source for Maruyama Piston Pump parts.