255371-00 Gasket, water pump cover. Used on the 2300 series Hercules Gas and Diesel engines. Onan Lister Petter used 3 or

Lister Petter used 3 or 4 different belts (in length) depending on how their engines were configured for a particular application

388001 OEM Oil pressure gauge

In the Lister Petter drawing this will be item number 1

as a input commen rail

no one ever repaints a new motor or pump so that will be your first clue that you may have to pay a little more attention to what's going on in this area of your machine

255371-00 Gasket, water pump cover. Used on the 2300 series Hercules Gas and Diesel engines. Onan Lister Petter used 3 or255371 00 Gasket, water pump cover. Used on the Hercules 2300 series industrial engine. This will be item number 8 in the Hercules drawing.