Fuel Injection Pump for Mitsubishi S6K / 3066 and CAT 320B — 101609-9032, 34361-05073 This is a complete diesel fuel injection pump assembly for the Mitsubishi S6K six-cylinder engine, catalogued by the machine maker as the 3066 and fitted to 320 and 320B class excavators as well as other frames running the same engine. It is an inline mechanical pump with six delivery valves, gear driven from the timing case, and supplied with flange and coupling. Ten part numbers describe