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
707-98-26720PC78MR-61001-UPPC78US-64001-UPPC78US-815001-UPPC78UU-622001-UPPC78UU-8PC88MR-621W-70-4138121W-70-41380PC88MR-8PC88MR-8(JPN)PW98MR-8PC88MR-10PC78US-10PW98MR-107083T0462015001-UPPC78UU-815001-UPPC70-810011-UP7835-31-30167835-31-30157835-31-30147835-31-3013Compatible5001-UPPC138US-824510-UPPC138USLC-87835-31-30167835-31-3015201-30-00311201-30-00312201-30-00313201-30-00314PC60-8PC70-8
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.





