40-2090649 Head gasket used on the 1600 series Hercules engines
The operators manual also contains all the operating and programming information on the TE803 controller
Gasket is sold separately and that part number is 751-40281 which superseded 751-40280
Brand new Robertshaw oil or fuel level detectors
750-49090 Thermostat housing/cover
255656-00 Gasket, Side cover . Hercules Diesel and Gas 4 cylinders, 2300 series. Fuel shutoff solenoid valve 40-2090649 Head gasket used on255656 00 Side Cover Gasket. This gasket is used on the 2300 series engines both diesel and gas. This gasket is also used on the D198, 298 diesel engines which was used in military version engines. This will be item number 15 in the Hercules drawing. Govt number, NSN Notice shape of gasket, insure yours is the same before ordering gasket. OEM Cross Reference: 28521300, 403094609, 285213, 285213 00