Part number lookup

YM172187-73170 Replacement Parts

Cross-reference and compare 3 replacement listings for OEM / aftermarket part number YM172187-73170. Use the product cards below to review price, availability, and fitment before ordering.

3 Matching Products

Part Numbers and Cross References

Applications and Fitment Summary

  • Komatsu · s: for Komatsu PC70FR PC75R D21A D21P WA85 WA75 WB70A Item Included: 4 pcs piston(ML) 4 pcs piston ring 4 pcs piston pin 8 pcs piston clip 4 pcs Connecting Rod bushing 4 pcs Cylinder Liner 4 pcs intake valve 4 pcs exhaust valve 4 pcs intake valve guide 4 pcs exhaust valve guide 4 pcs intake valve seat 4 pcs exhaust valve seat 5 pair main rod bearing 4 pair con rod bearing 4 pcs thrust plate 1 set full gasket kit
  • Part Number
  • Komatsu · s: Komatsu Excavator: PC70FR
  • Komatsu · s: Komatsu Excavator:PC70FR
  • Komatsu · Komatsu PC70FR PC75R D21A D21P WA85 WA75 WB70A

Frequently Asked Questions

What parts replace OEM number YM172187-73170?

This page lists 3 replacement listings indexed under YM172187-73170. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for YM172187-73170?

Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.

Can I request a quote if YM172187-73170 is not an exact match?

Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.