Part number lookup

PC78US-6 Replacement Parts

Cross-reference and compare 14 replacement listings for OEM / aftermarket part number PC78US-6. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

14 Matching Products

Blower Motor TW502725-1730 for Komatsu Excavator PC78UU-6 PC138US-2 PC228US-3 PC228USLC-3 PC308USLC-3KomatsuBlower Motor TW502725-1730 for Komatsu Excavator PC78UU-6 PC138US-2 PC228US-3 PC228USLC-3 PC308USLC-3$105.00Bucket Cylinder Seal Kit 707-98-26720 For Komatsu Excavator PC78MR-6 PC78US-6 PC88MR-6KomatsuBucket Cylinder Seal Kit 707-98-26720 For Komatsu Excavator PC78MR-6 PC78US-6 PC88MR-6$147.07Bucket Linkage Bushing 21W-70-41381 for Komatsu Excavator PC78UU-6 PC78US-6 PC78MR-6 PC88MR-8 PC78US-8 PC78UU-8 PW98MR-8 PC88MR-10 PC78US-10 PW98MR-10KomatsuBucket Linkage Bushing 21W-70-41381 for Komatsu Excavator PC78UU-6 PC78US-6 PC78MR-6 PC88MR-8 PC78US-8 PC78UU-8 PW98MR-8 PC88MR-10 PC78US-10 PW98MR-10$40.00Coupling 201-01-71120 2010171120 for Komatsu 4D95L-1GG 4D95LE-1B Engine PC60-7 PC70-7 PC78US-5 ExcavatorKomatsuCoupling 201-01-71120 2010171120 for Komatsu 4D95L-1GG 4D95LE-1B Engine PC60-7 PC70-7 PC78US-5 Excavator$221.83Hose 21W-03-41220 for Komatsu Excavator PC78MR-6 PC78US-6 PC78UU-6KomatsuHose 21W-03-41220 for Komatsu Excavator PC78MR-6 PC78US-6 PC78UU-6$56.00Hydraulic Main Pump Long Tail Pump 708-3T-00140 for Komatsu Excavator PC78US-6 With Bulldozer Without Vane PumpKomatsuHydraulic Main Pump Long Tail Pump 708-3T-00140 for Komatsu Excavator PC78US-6 With Bulldozer Without Vane Pump$9,137.80Hydraulic Main Pump Short Tail Pump 708-3T-00140 for Komatsu Excavator PC78US-6 Without Bulldozer and Vane PumpKomatsuHydraulic Main Pump Short Tail Pump 708-3T-00140 for Komatsu Excavator PC78US-6 Without Bulldozer and Vane Pump$8,108.51Swing Motor 708-7S-00241 for Komatsu Excavator PC78UU-6 PC78US-6 PC78US-6-N PC78US-6-NO PC78US-6-WKomatsuSwing Motor 708-7S-00241 for Komatsu Excavator PC78UU-6 PC78US-6 PC78US-6-N PC78US-6-NO PC78US-6-W$2,980.00Track Roller 201-30-00313 for Komatsu Excavator PC60-7 PC70-8 PC78US-10 PC78US-8 PC80MR-3 PC88MR-10 PC88MR-8KomatsuTrack Roller 201-30-00313 for Komatsu Excavator PC60-7 PC70-8 PC78US-10 PC78US-8 PC80MR-3 PC88MR-10 PC88MR-8$184.00Track Roller 201-30-00313 for Komatsu Excavator PC60-7 PC70-8 PC78US-10 PC78US-8 PC80MR-3 PC88MR-10 PC88MR-8KomatsuTrack Roller 201-30-00313 for Komatsu Excavator PC60-7 PC70-8 PC78US-10 PC78US-8 PC80MR-3 PC88MR-10 PC88MR-8$203.00Travel Motor Drive Shaft TZ500D2002-00 for Komatsu Excavator PC60-7 PC60-7-B PC70-KomatsuTravel Motor Drive Shaft TZ500D2002-00 for Komatsu Excavator PC60-7 PC60-7-B PC70-$26.00Travel Motor Shaft TZ500D1015-00 for Komatsu Excavator PC60-7 PC60-7-B PC70-7 PC70-7-B PC75UU-3 PC78MR-6 PC78US-6 PC78UU-6KomatsuTravel Motor Shaft TZ500D1015-00 for Komatsu Excavator PC60-7 PC60-7-B PC70-7 PC70-7-B PC75UU-3 PC78MR-6 PC78US-6 PC78UU-6$70.00Turbo TD04L-10GkRC-5 Turbocharger 4937701610 for Komatsu Excavator PC78US-6 PC130-7 Engine SAA4D95LE 4D95LEKomatsuTurbo TD04L-10GkRC-5 Turbocharger 4937701610 for Komatsu Excavator PC78US-6 PC130-7 Engine SAA4D95LE 4D95LE$385.56Water Separator 21W-04-41161 For Komatsu Excavator PC78MR-6 PC78US-6 PC78UU-6 PC88MR-6 PW98MR-6KomatsuWater Separator 21W-04-41161 For Komatsu Excavator PC78MR-6 PC78US-6 PC78UU-6 PC88MR-6 PW98MR-6$200.44

Part Numbers and Cross References

TW502725-1730GD555-3GD555-3AGD675-3GD675-3AGD655-3GD655-3YGD655-3APC78UU-6PC78US-6PC78MR-6PC128UU-2707-98-267201001-UP4001-UPPC78US-815001-UP22001-UPPC78UU-8PC88MR-621W-70-4138121W-70-41380PC88MR-8PC88MR-8(JPN)PW98MR-8PC88MR-10PC78US-10PW98MR-10201-01-71120178mmPC60-7PC60-7-BPC70-7PC70-7-BPC75UU-3PC78US-54D95L-1GG4D95L-1GG-B21W-03-41220WY21W-03-41220708-3T-001407083T00140708-3T-001207083T00120708-3T-001167083T00116708-3T-001157083T00115708-3T-001147083T0011490kgs7083T00120708-3T-001180kgs708-7S-00241708-7S-00242708-7S-00240PC78US-6-NPC78US-6-NOPC78US-6-WJY708-7S-00241201-30-00311201-30-00312201-30-00313201-30-00314PC60-8PC70-8TZ500D1015-00WYTZ500D1015-0049377-01610PC130-7PC130-8TD04L-10GK-7.0TD04L-10GKRC-5TD04LSAA4D95LE4D95LESAA4D95LE-3B-4A101537-UP70001-UP21W-04-41161PW98MR-6

Applications and Fitment Summary

  • Komatsu · s: Fit for following model: Komatsu Crawler Carrier: CD110R-2 Komatsu Motor Grader: GD655-3C, GD555-3, GD555-3A, GD675-3, GD675-3A, GD655-3, GD655-3Y, GD655-3A, GD555-3C Komatsu Excavator: PC228US-3-YB, PC78UU-6, PC78US-6, PC78MR-6, PC128UU-2, PC128US-2, PC138US-2, PC138USLC-2, PC228USLC-3-AA, PC228US-3-YP, PC228US-3-YA, PC228US-3-AP, PC228US-3-AB, PC228US-3-AA, PC228USLC-3, PC228USLC-3S, PC228USLC-3U, PC228US-3, PC228US-3U, PC228US-3T-YT, PC228USLC-3T-YT, PC228US-3-YG, PC228US-3-AG, PC228USLC-3-YB, PC228USLC-3-YP, PC228USLC-3-YA, PC228USLC-3-AP, PC228USLC-3-AB, PC308USLC-3
  • 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 · s: Komatsu Excavator: PC60-7, PC60-7-B, PC70-7, PC70-7-B, PC75UU-3, PC78US-5, PC78US-6, PC78UU-6 Komatsu Engine: 4D95L-1GG, 4D95L-1GG-B, 4D95L-1GG-BR, 4D95L-1GG-BW, 4D95L-1GG-S, 4D95L-1GG-SB, 4D95L-1GG-W, 4D95LE-1B, 4D95LE-1B-B Other: BA100-1, BR100JG-2 See Details: 4D95L-1GG S/N 131803-UP 4D95L-1GG-B S/N 131803-UP 4D95L-1GG-BR S/N 131803-UP 4D95L-1GG-BW S/N 131803-UP 4D95L-1GG-S S/N 131803-UP 4D95L-1GG-SB S/N 131803-UP 4D95L-1GG-W S/N 131803-UP 4D95LE-1B S/N 198831-UP 4D95LE-1B-B S/N 198831-UP BA100-1 S/N 1003-UP BR100JG-2 S/N 1301-UP BR100JG-2 S/N 1301-UP (Overseas Version) PC60-7 S/N 45001-UP PC60-7 S/N 45001-UP (For China) PC60-7 S/N 45001-UP (With Front Blade Spec.) PC60-7-B S/N 45001-UP PC70-7 S/N 45001-UP PC70-7-B S/N 45001-UP PC75UU-3 S/N 15001-UP PC78US-5 S/N 1001-UP PC78US-5 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-6 S/N 4001-UP (Overseas Version) PC78UU-6 S/N 22001-UP
  • Komatsu · s: Fit For Komatsu Excavator: PC78UU-6, PC78US-6, PC78US-6-N, PC78US-6-NO, PC78US-6-W
  • 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
  • Komatsu · s: Fit For Komatsu Excavator: PC60-7, PC60-7-B, PC70-7, PC70-7-B, PC75UU-3, PC78MR-6, PC78US-6, PC78UU-6 Fit For Komatsu Other:BA100-1
  • Komatsu Excavator PC78MR-6 PC78US-6 PC78UU-6 PC88MR-6 PW98MR-6 Water Separator 21W-04-41161
  • Komatsu Excavator Models: PC78MR-6,PC78US-6,PC78UU-6,PC88MR-6,PW98MR-6 Details: PC78MR-6 S/N 1001-UP (For EU) PC78MR-6 S/N 1001-UP (For EU) EXCAVATORS PC78MR-6 S/N 1001-UP (For North America) PC78MR-6 S/N 1001-UP (For North America) EXCAVATORS PC78US-6 S/N 4001-UP PC78US-6 S/N 4001-UP (For North America) PC78US-6 S/N 4001-UP (For North America) EXCAVATORS PC78US-6 S/N 4001-UP (For Norway) PC78US-6 S/N 4001-UP (For Norway) EXCAVATORS PC78US-6 S/N 4001-UP (Overseas Version) PC78US-6 S/N 4001-UP (Overseas Version) EXCAVATORS PC78US-6 S/N 4001-UP EXCAVATORS PC78UU-6 S/N 22001-UP PC78UU-6 S/N 22001-UP EXCAVATORS PC88MR-6 S/N F00003 AND UP PC88MR-6 S/N F00003 AND UP EXCAVATORS PW98MR-6 S/N F00003-Up PW98MR-6 S/N F00003-Up EXCAVATORS

Frequently Asked Questions

What parts replace OEM number PC78US-6?

This page lists 14 replacement listings indexed under PC78US-6. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for PC78US-6?

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-6 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

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