Part number lookup

129100-42002 Replacement Parts

Cross-reference and compare 6 replacement listings for OEM / aftermarket part number 129100-42002. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

6 Matching Products

Engine Water Pump 129100-42002 YM129100-42002 12910042002 for Komatsu Engine 3D88E 3D84EKomatsuEngine Water Pump 129100-42002 YM129100-42002 12910042002 for Komatsu Engine 3D88E 3D84E$89.99Engine Water Pump 729428-42004 Compatible With Yanmar Skid Steer Excavator 4Tne84 4Tne88 EngineYanmarEngine Water Pump 729428-42004 Compatible With Yanmar Skid Steer Excavator 4Tne84 4Tne88 Engine$123.99Engine Water Pump 729428-42004 For Komatsu Excavator PC35 PC45 Yanmar 4TNE88 EngineKomatsuEngine Water Pump 729428-42004 For Komatsu Excavator PC35 PC45 Yanmar 4TNE88 Engine$123.99Engine Water Pump 729428-42004 for Komatsu PC35 PC45 ExcavatorsKomatsuEngine Water Pump 729428-42004 for Komatsu PC35 PC45 Excavators$123.99Engine Water Pump 729428-42004 WAP0181 For Komatsu PC28UU-2 PC38UU-3 PC50UU-2KomatsuEngine Water Pump 729428-42004 WAP0181 For Komatsu PC28UU-2 PC38UU-3 PC50UU-2$97.99Water Pump 129100-42002 for Yanmar Engine 3TNE88 3TNV84 3TNV88 Komatsu Engine 3D88E 3D84EYanmarWater Pump 129100-42002 for Yanmar Engine 3TNE88 3TNV84 3TNV88 Komatsu Engine 3D88E 3D84E$68.90

Part Numbers and Cross References

129100-42002YM129100-42002YM129100-42001YM129100-42004YM129100-42000YM729428-42004729428-42004729428-42003129100-42004129002-42004129100-42005YM129002-42004729423-42003129004-42001129001-42004129001-42003129001-42001YM729428-420033D84E3D88E

Applications and Fitment Summary

  • Komatsu · 3D84E
  • Komatsu · 3D88E
  • Yanmar · 4TNE84
  • Yanmar · 4TNE88
  • Yanmar
  • Komatsu · PC35
  • Komatsu · PC45
  • Komatsu · PC20-7
  • Komatsu · PC25-1
  • Komatsu · PC25R-1
  • Komatsu · PC28
  • Komatsu · PC28UD-2
  • Komatsu · PC28UG-2
  • Komatsu · PC28UU-2
  • Komatsu · PC30
  • Komatsu · PC30-7
  • Komatsu · PC30MR-2
  • Komatsu · PC30MR-3
  • Komatsu · PC35MR-2
  • Komatsu · PC35MR-3
  • Komatsu · PC35R-8
  • Komatsu · PC38UU-3
  • Komatsu · PC38UUM-2
  • Komatsu · PC40

Frequently Asked Questions

What parts replace OEM number 129100-42002?

This page lists 6 replacement listings indexed under 129100-42002. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for 129100-42002?

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 129100-42002 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.