All of our new parts are aftermarket replacements. Compatible with Minneapolis Moline Tractor(s) G750, G850. Compatible with Oliver Tractor(s) 1650 (engine s/n 187586-later), 1655, 1750, 1755. Compatible with Waukesha Engine(s) D283 (diesel), D310 (diesel). Compatible with White Tractor(s) 2-70, 2-78. Compatible with White Construction & Industrial(s) 2-63. Contains all gaskets necessary to complete an overhaul that are not included in the head gasket set. All States Ag Parts Item No.