Main & Relief Valve Description
This Main & Relief Valve is indexed for Part Number; Komatsu s: Komatsu Excavator: HB335-1, HB335LC-1, HB365-1, HB365LC-1, HB365LC-3, HB365LC-3E0, HB365NLC-3, HB365NLC-3E0, PC300-8, PC300-8M0, PC300LC-8, PC300LC-8M0, PC350-8, PC350-8M0, PC350HD-8, PC350LC-8, PC350LC-8M0, PC350LL-7E0, PC360-8M0, PC360LC-10, PC360LC-11, PC360LC-11E0, PC360LCI-11, PC360NLC-10, PC360NLC-11, PC360NLC-11E0, PC390HRD-11E0, PC390LC-11, PC390LC-11 HRD, PC390LC-8M0, PC390LCI-11. Compare reference number 723-40-93801 against the label on your existing Komatsu component before ordering.
Additional cross references on file: PC300, PC350, PC350HD. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.




