All of our new parts are aftermarket replacements. Compatible with International Engine(s) C164, C169, C175. Compatible with International Tractor(s) 300 (Farmall, 1/55-12/56), 300 (Utility, 1/55-12/56), 350 (Utility), 350 (Gas, 1/56-12/58). Replaces International OEM Number(s) 363496R92. Contains all gaskets necessary for a complete engine overhaul (set does not include front seal). All States Ag Parts Item No.