Part number lookup

Y129100-52101-Z Replacement Parts

Cross-reference and compare 8 replacement listings for OEM / aftermarket part number Y129100-52101-Z. Use the product cards below to review price, availability, and fitment before ordering.

8 Matching Products

Part Numbers and Cross References

Applications and Fitment Summary

  • Komatsu · s: Fit for following models: Komatsu Excavator: PC20R-8, PC27R-8, PC35R-8, PC45R-8, PC50MR-2 Komatsu Skid Steer Loader: SK714-5, SK815-5, SK818-5
  • Part Number
  • Komatsu 4D88E Engine Camshaft YM729402-14580
  • Komatsu 4D88E Engine Crankshaft YM129407-21000
  • Komatsu · s: KOMATSU ENGINE MODEL: 4D88E-3A, 4D88E-3B, 4D88E-3C, 4D88E-3GB, 4D88E-3H, 4D88E-3D, 4D88E-3F, 4D88E-3C-M, 4D88E-3C-04, 4D88E
  • Komatsu Excavator PC40MR-1 PC45MR-1 Engine 4D88E 4D84E Muffler Silencer YM129608-13511 YM129612-13590
  • Model: PC40MR-1, PC45MR-1, PC45MRX-1, PC40MRX-1 Engine: 4D88E Details: 4D88E-3H S/N 00101-UP PC40MR-1 S/N 1001-UP, PC45MR-1 S/N 1001-UP 4D88E-3H S/N 00101-UP PC45MRX-1 S/N 1001-UP (For North America), PC40MRX-1 S/N 1001-UP (For North America), PC40MR-1 S/N 1001-UP, PC45MRX-1 S/N 1001-UP (For EU), PC40MRX-1 S/N 1001-UP (For EU) 4D84E-3E S/N 03508-UP PC45MR-1 S/N 1001-UP, PC40MR-1 S/N 1001-UP 4D84E-3E S/N 03508-UP PC45MRX-1 S/N 1001-UP (For North America), PC40MRX-1 S/N 1001-UP (For North America), PC40MR-1 S/N 1001-UP, PC45MRX-1 S/N 1001-UP (For EU), PC40MRX-1 S/N 1001-UP (For EU)

Frequently Asked Questions

What parts replace OEM number Y129100-52101-Z?

This page lists 8 replacement listings indexed under Y129100-52101-Z. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for Y129100-52101-Z?

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 Y129100-52101-Z 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

Send machine details before ordering high-risk parts.