40-2504805 Distributor cap Delco, Hercules G 2300, 4 cylinder gaseous engine injector line part number 255368-00 and you

part number 255368-00 and you can proceed using that option

This is an original equipment Hercules/ Delco unit

In the drawing this item is number 4

Cummins part number for this gasket is 186-6065

40-2504805 Distributor cap Delco, Hercules G 2300, 4 cylinder gaseous engine injector line part number 255368-00 and you40 2504805 Delco distributor cap, used on the G 2300 4 cylinder Hercules engines. Hercules used two brands of distributors, Delco and Prestolite. Youll be able to determine the brand by looking at your distributor cap, the Delco type will use two screws that holds the cap on, the Prestolite used clips. This will be item 1 in the Delco Remy drawing. The drawing shows a 6 cylinder cap as a reference, your purchase will be the 4 cylinder type.