Part number lookup

PC78US-8 Replacement Parts

Cross-reference and compare 6 replacement listings for OEM / aftermarket part number PC78US-8. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

6 Matching Products

Part Numbers and Cross References

Applications and Fitment Summary

  • Part Number
  • Komatsu Excavator PC78MR-6 PC78US-6 PC88MR-6 Bucket Cylinder Seal Kit 707-98-26720 Model NO:Komatsu Excavator PC78MR-6 PC78US-6 PC88MR-6
  • Bucket Details: PC78MR-6 S/N 1001-UP (For EU) PC78MR-6 S/N 1001-UP (For North America) PC78US-6 S/N 4001-UP PC78US-6 S/N 4001-UP (For North America) PC78US-6 S/N 4001-UP (For Norway) PC78US-8 S/N 15001-UP PC78US-8 S/N 15001-UP (EU Spec.) PC78US-8 S/N 15001-UP (North America Spec.) PC78UU-6 S/N 22001-UP PC78UU-8 S/N 15001-UP PC88MR-6 S/N F00003 AND UP PC88MR-8 S/N 5001-UP PC88MR-8 S/N 5001-UP (EU Spec.) PC88MR-8 S/N 5001-UP (North America Spec.) PC88MR-8 S/N F80003 AND UP PC88MR-8(JPN) - FOR EU 2-PIECE BOOM APPLICATION S/N 5001-Up PW98MR-6 S/N F00003-Up PW98MR-8 S/N F80003 AND UP Note: Please contact us to confirm the hydraulic seal kit you need before buying, thank you!
  • Komatsu · s: Fit For Komatsu Excavator: PC78UU-6, PC78US-6, PC78MR-6, PC88MR-8, PC88MR-8(JPN), PC78US-8, PC78UU-8, PW98MR-8, PC88MR-10, PC78US-10, PW98MR-10
  • Komatsu Excavator PC78US-8 PC78UU-8 PC70-8 Hydraulic Gear Pump 708-3T-04620
  • PC78US-8 S/N 15001-UP (North America Spec.)PC78US-8 S/N 15001-UP (EU Spec.)PC78US-8 S/N 15001-UPPC78UU-8 S/N 15001-UPPC70-8 S/N 10011-UP
  • Komatsu Excavator PC88MR-8 PC78US-8 PC78UU-8 PC138US-8 Monitor 7835-31-3013 7835-31-3015
  • Komatsu · s: Fit for Komatsu Excavator: PC60-7, PC60-8, PC70-8, PC78MR-6, PC78US-10, PC78US-6, PC78US-8, PC78UU-6, PC78UU-8, PC80MR-3, PC88MR-10, PC88MR-6, PC88MR-8

Frequently Asked Questions

What parts replace OEM number PC78US-8?

This page lists 6 replacement listings indexed under PC78US-8. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for PC78US-8?

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 PC78US-8 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.