Thank you for shopping at MaruyamaParts.com and for using the parts lookup system to find parts for your MP5000E, MP5020E. You have selected the Engine (Carburetor, Piston, Tank, Muffler) diagram for the Maruyama MP5000E, MP5020E Water Pumps. Below you will find an interactive part diagram for the MP5000E, MP5020E Engine (Carburetor, Piston, Tank, Muffler). 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 MP5000E, MP5020E parts not shown in this diagram you may select from one of the other MP5000E, MP5020E part assemblies or select a different Water Pumps altogether. Thanks for shopping with us at MaruyamaParts.com and for making us your source for Maruyama Water Pumps parts.