Main & Relief Valve Description
This Main & Relief Valve is indexed for Komatsu s: Fit for Komatsu Excavator: PW150ES-6K, PC200EL-6K, PC150-6K, PC150LC-6K, PC160-6K, PC180LC-6K, PC180NLC-6K, PC200EN-6K, PW170ES-6K-KA, PW170ES-6K. Compare reference number 723-30-90400 against the label on your existing Komatsu component before ordering.
Additional cross references on file: PC200EL-6K, PC150-6K, PC150LC-6K. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.




