OTTO Fuel Injection Pump Assembly (YA00068071) for Hitachi ZX330-5A (6HK1) excavator - in the position shown for this part on the machine. It carries load, locates the mating component and takes the wear so the assembly around it keeps working. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.