255359-00 Gasket, water pump cover. Used on the 3400 series Hercules Gas and Diesel engines. 570-13570 751-12391 inlet valve seat on

751-12391 inlet valve seat on a LPA series air cooled engine

Commonly called a cube relay

This hose does not fit a 2300 series engine

This part is for the 2 cylinder engine only

255359-00 Gasket, water pump cover. Used on the 3400 series Hercules Gas and Diesel engines. 570-13570 751-12391 inlet valve seat on255359 00 Gasket, water pump cover. Used on the Hercules 3400 series industrial engines. This gasket is used on the water pump as the gasket for the round back cover. There are 2 different cover gaskets used but the drawing only shows one type, this cover gasket isn't shown in the drawing. It would be item number 8 in the Hercules drawing.