Part number lookup

YM123900-42100 Replacement Parts

Cross-reference and compare 4 replacement listings for OEM / aftermarket part number YM123900-42100. Use the product cards below to review price, availability, and fitment before ordering.

4 Matching Products

Engine Water Pump YM123900-42100 YM123900-42101 for Komatsu WA115-3 WA90-3 WB140-2 WB150-2 WB91R-2 WB93R-2 WB97R-2 WB97S-2KomatsuEngine Water Pump YM123900-42100 YM123900-42101 for Komatsu WA115-3 WA90-3 WB140-2 WB150-2 WB91R-2 WB93R-2 WB97R-2 WB97S-2$202.99Engine Water Pump Y123900-42101 for GEHL 7600 SL7600 Skid SteerGehlEngine Water Pump Y123900-42101 for GEHL 7600 SL7600 Skid Steer$243.53Engine Water Pump Y123900-42101 for Komatsu PC95R-2 PW95R-2 WA115-3 WA90-3 WA95-3 WB140-2 WB150-2 WB91R-2KomatsuEngine Water Pump Y123900-42101 for Komatsu PC95R-2 PW95R-2 WA115-3 WA90-3 WA95-3 WB140-2 WB150-2 WB91R-2$243.53Engine Water Pump Y123900-42101 for Yanmar 4TNE106D Komatsu 4D106D EngineYanmarEngine Water Pump Y123900-42101 for Yanmar 4TNE106D Komatsu 4D106D Engine$209.42

Part Numbers and Cross References

YM123900-42100YM123900-42101123900-42100123900-42101Y123900-42101SteerSL7600PW95R-2WA90-3WA95-3WB140-2WB140-2NWB140PS-2WB140PS-2NWB150-2WB150-2NWB150AWS-2

Applications and Fitment Summary

  • Komatsu · WA115-3 (35 km/h)
  • Komatsu · WA115H30051
  • Komatsu · WA115H30180/ H30181 - Up
  • Komatsu · WA115-3 S/N
  • Komatsu · WA115H30180 / H30181 - Up
  • Komatsu · WA90-3 (S/N HA970051-HA970238)
  • Komatsu · WA95-3 (S/N HA980051-HA980375)
  • Komatsu · WA90-3 (S/N HA970239-HA970315 / H20316-H20318)
  • Komatsu · WA95-3 (S/N HA980376-HA980668 / H20669-H20671)
  • Komatsu · WB140-2 S/N 140F10001-Up
  • Komatsu · WB140-2 S/N 140F11451-Up
  • Komatsu · WB140PS-2 S/N 140F50001-Up
  • Komatsu · WB140PS-2 S/N 140F50092-Up
  • Komatsu · WB150-2 S/N 150F10001-Up
  • Komatsu · WB150-2 S/N 150F10293-Up
  • Komatsu · WB150PS-2 S/N 150F50001-Up
  • Komatsu · WB150PS-2 S/N 150F50020-Up
  • Komatsu · WB91R-2 S/N 91F20001-Up
  • Komatsu · WB91R-2 S/N 91F20070-Up
  • Komatsu · WB91R-2 S/N 91F20127-Up
  • Komatsu · WB93R-2 S/N 93F20001-Up
  • Komatsu · WB93R-2 S/N 93F21638-Up
  • Komatsu · WB93R-2 S/N 93F23075-Up
  • Komatsu · WB97R-2 S/N 97F20001-Up

Frequently Asked Questions

What parts replace OEM number YM123900-42100?

This page lists 4 replacement listings indexed under YM123900-42100. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for YM123900-42100?

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 YM123900-42100 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.