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Piston cooling jet nozzle for the Isuzu 6WG1 engine in Hitachi ZX470-5G and ZX870-3 excavators. Sprays oil onto the underside of the piston crown to control piston temperature.
Piston cooling oil nozzle jet for Isuzu 6WG1 engine, used in Hitachi ZX450 excavator. Directs oil flow to cool piston undersides.