Part number lookup

PC300 Replacement Parts

Cross-reference and compare 28 replacement listings for OEM / aftermarket part number PC300. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

28 Matching Products

24V Solenoid Switch SS164 SS-164 for Komatsu Engine 4D95 Excavator PC60 PC100Komatsu24V Solenoid Switch SS164 SS-164 for Komatsu Engine 4D95 Excavator PC60 PC100$112.66A/C Compressor 506011-6800 for Komatsu PC100-6 PC120 PC210 PC300 PC350 PC400KomatsuA/C Compressor 506011-6800 for Komatsu PC100-6 PC120 PC210 PC300 PC350 PC400$336.26Breather Filter 207-60-51310 for Komatsu Excavator PC270-8 PC290-8K PC300 PC300-8 PC310-5 PC350-7E0 PC400 PC400-5 PC410-5 PC410LC-5KomatsuBreather Filter 207-60-51310 for Komatsu Excavator PC270-8 PC290-8K PC300 PC300-8 PC310-5 PC350-7E0 PC400 PC400-5 PC410-5 PC410LC-5$94.99Dust Seal 207-70-72120 for Komatsu PC200-7 PC270 PC300 PC300HD PC300LL PC300-8 PC340 PC350 PC350-8KomatsuDust Seal 207-70-72120 for Komatsu PC200-7 PC270 PC300 PC300HD PC300LL PC300-8 PC340 PC350 PC350-8$43.59Oil Cooler 207-03-51121 for Komatsu PC310LC-5 PC310-5 PC300LC-5 PC300-5 PC300 ExcavatorKomatsuOil Cooler 207-03-51121 for Komatsu PC310LC-5 PC310-5 PC300LC-5 PC300-5 PC300 Excavator$1,482.9924V Stop Solenoid 6742-01-0330 for Komatsu PC300-6 850B 870B GD650A-2 WA320-3 WA380-3 WA420-3Komatsu24V Stop Solenoid 6742-01-0330 for Komatsu PC300-6 850B 870B GD650A-2 WA320-3 WA380-3 WA420-3$99.8424V Stop Solenoid 6743-81-9140 for Komatsu Engine SA6D102E-2 Excavator PC300-7 PC360-7 Wheel Loader WA380-5Komatsu24V Stop Solenoid 6743-81-9140 for Komatsu Engine SA6D102E-2 Excavator PC300-7 PC360-7 Wheel Loader WA380-5$99.84Air Intake Hose 6743-11-4930 6743-11-4931 for Komatsu HD255 PC300 PC300LL PC340 PC350 PC360 PC380KomatsuAir Intake Hose 6743-11-4930 6743-11-4931 for Komatsu HD255 PC300 PC300LL PC340 PC350 PC360 PC380$117.45Bare Cylinder Block 6754-21-1310 for Komatsu Engine SAA6D107 6D107KomatsuBare Cylinder Block 6754-21-1310 for Komatsu Engine SAA6D107 6D107$7,001.62Belt Tensioner 6742-01-5231 for Komatsu Excavator PC300 PC360 Wheel Loader WA380KomatsuBelt Tensioner 6742-01-5231 for Komatsu Excavator PC300 PC360 Wheel Loader WA380$178.62Bushing 207-70-61521 for Komatsu Excavator PC300-3 PC300-5C PC300 PC300-6 PC300-6Z PC350LC-7 PC350LC-8 PC360-7KomatsuBushing 207-70-61521 for Komatsu Excavator PC300-3 PC300-5C PC300 PC300-6 PC300-6Z PC350LC-7 PC350LC-8 PC360-7$48.00E-ECU Controller 7824-34-1100 For Komatsu Excavator PC300 PC300LC PC300-5 PC300LC-5KomatsuE-ECU Controller 7824-34-1100 For Komatsu Excavator PC300 PC300LC PC300-5 PC300LC-5$903.64Expansion Valve ND447500-4760 for Komatsu D65EX-16 Bulldozer PC450-8 PC350-8 PC300-8 PC130-8 ExcavatorKomatsuExpansion Valve ND447500-4760 for Komatsu D65EX-16 Bulldozer PC450-8 PC350-8 PC300-8 PC130-8 Excavator$139.90Floating Seal 207-27-00310 for Komatsu Excavator PC300-7 PC300-8 PC350-7 PC270-8KomatsuFloating Seal 207-27-00310 for Komatsu Excavator PC300-7 PC300-8 PC350-7 PC270-8$124.00Gear Pump 704-23-30600 7042330600 Fit for Komatsu PC300 PC300-3 PC300-5 PC310-5 PC300LC PC300LC-5 PC400 PC400-3 PC400-5 PC410-5KomatsuGear Pump 704-23-30600 7042330600 Fit for Komatsu PC300 PC300-3 PC300-5 PC310-5 PC300LC PC300LC-5 PC400 PC400-3 PC400-5 PC410-5$720.00Gear Pump 704-23-30601 For Komatsu Excavator PC300 PC300-3 PC300LC-3KomatsuGear Pump 704-23-30601 For Komatsu Excavator PC300 PC300-3 PC300LC-3$1,096.62Main Relief Valve 723-40-90101 For Komatsu Excavator PC120-6KomatsuMain Relief Valve 723-40-90101 For Komatsu Excavator PC120-6$159.84New Overhaul Rebuild Kit for Cummins NT855 Komatsu PC300 PC300-1 PC300-2 PC400-1CumminsNew Overhaul Rebuild Kit for Cummins NT855 Komatsu PC300 PC300-1 PC300-2 PC400-1$1,600.00Overhaul Rebuild Kit for Cummins NT855 Komatsu PC300 PC300-1 PC300-2 PC400-1CumminsOverhaul Rebuild Kit for Cummins NT855 Komatsu PC300 PC300-1 PC300-2 PC400-1$1,141.00PC300 Overhaul Rebuild Kit for Cummins NT855 PC300-1 PC300-2 PC400-1CumminsPC300 Overhaul Rebuild Kit for Cummins NT855 PC300-1 PC300-2 PC400-1$1,230.00Pilot Valve for Komatsu Excavator PC55 PC60 PC100 PC120 PC200 PC220 PC240 PC300 PC360 PC400 PC450KomatsuPilot Valve for Komatsu Excavator PC55 PC60 PC100 PC120 PC200 PC220 PC240 PC300 PC360 PC400 PC450$137.00Pilot Valve Seal Kit for Komatsu Excavator PC300 PC300-1 PC300-2 PC300-3 PC300-5 PC300-5C PC300-5K PC300-6 PC300-6Z PC300-7 PC300-8KomatsuPilot Valve Seal Kit for Komatsu Excavator PC300 PC300-1 PC300-2 PC300-3 PC300-5 PC300-5C PC300-5K PC300-6 PC300-6Z PC300-7 PC300-8$55.00Relief Valve 723-40-93801 for Komatsu Excavator PC300 PC350 PC350HD PC350LL PC360KomatsuRelief Valve 723-40-93801 for Komatsu Excavator PC300 PC350 PC350HD PC350LL PC360$133.12Solenoid Switch 0471003420 for Komatsu Engine 6D125 Excavator PC300KomatsuSolenoid Switch 0471003420 for Komatsu Engine 6D125 Excavator PC300$109.18Starter Relay 600-815-2170 for Komatsu Excavator PC200-6 PC200-7 PC220-7 PC350LC-6KomatsuStarter Relay 600-815-2170 for Komatsu Excavator PC200-6 PC200-7 PC220-7 PC350LC-6$85.90Sun Gear 207-27-52130 207-27-52131 for Komatsu PC1000-1 PC300 PC300-5 PC310-5 Hyundai R420KomatsuSun Gear 207-27-52130 207-27-52131 for Komatsu PC1000-1 PC300 PC300-5 PC310-5 Hyundai R420$109.00Travel Gearbox With Motor 207-27-00100 for Komatsu Excavator PC300-5 PC300LC PC310LC-5 PC300-5CKomatsuTravel Gearbox With Motor 207-27-00100 for Komatsu Excavator PC300-5 PC300LC PC310LC-5 PC300-5C$5,269.0024V Safety Relay 7861-74-5100 7861745100 for Komatau Excavator PC300-8 PC350-8Relays24V Safety Relay 7861-74-5100 7861745100 for Komatau Excavator PC300-8 PC350-8$57.19

Part Numbers and Cross References

SS164PC100PC200PC300PC400506011-6800PC350506211576250601230Z70PC120PC210506860WY506011-6800207-60-51310PC270LC-8PC270LC-8N1-W1PC270LC-8-W1PC290-8KPC290LC-8KPC290NLC-8KPC300-5PC300-5CPC300-5KPC300-7E020Y-70-721202057062180PC270PC300HDPC300LLPC300-8PC340PC350-8PC350HDPC350LL207-03-51121PC300LCPC310LC-5PC300LC-5PC310-5PC300NLC-5KPC300LC-5KPC300HD-5KWY207-03-511216742-01-0330SA6D114E-1A-KUSA6D114E-1-GDKomatsuPC300LC-6LCPC300LC-6LEKomatsuGD650AGD650A-2CYKomatsuWA320WA380WA4206743-81-9140SA6D102ESA6D102E-2-BSAA6D114E-2ASA6D102E-2SAA6D114E-2A-KUSAA6D114E-2BSAA6D114E-2B-ASAA6D114E-2CC-8WKomatsuPC360PC300-76743-11-49306743-11-4931HD255PC380HD255-51001-UP6754-21-1310SAA6D107SAA6D107E6D107KomatsuPW200PW220PC220WA250PZWA320PZ6742-01-52316743-61-34406743-61-3441SAA6D114EPC390207-70-61521207-70-12161HB335LC-1HB365LC-1HB365LC-3PC290LCPC290NLC-8PC300-1PC300-2PC300-37824-34-1100PC300-5D20001-UPK20001-UPND447500-4760D65EXD65PXD65WXHB215PC130PC450PC600PC650207-27-00310421-33-00050195-27-00022PC290PC308WY207-27-00310704-23-30600704-23-30601PC300LC-3EXCAVATORSPC300EXCAVATORSPC300-312001-UPEXCAVATORSPC300LC-3723-40-90101PC120-6PC120-7PC300SCPC400STBR500JGNT855PC400-1PC240PC300-6PC300-6ZPC300-7-AA723-40-93801723-40-93800HB365-1HB365LC-3E0SS171047100342004710034210471004140047100414166-8409132499YDH-NK014SOL8825D375A-2D85A-21600-815-2170SAA4D95LEPC200-6PC200-7PC220-7PC350LC-6207-27-52130207-27-52131PC1000LC-1PC1000SE-1PC1000SP-1PC250LC-6LPC250LC-6LE207-27-00105207-27-00101207-27-00103WY207-27-001007861-74-5100D39EX10001-UPPC220LC-870001-UP

Applications and Fitment Summary

  • Komatsu
  • Komatsu · PC60
  • Komatsu · PC100
  • Komatsu · s: Fit for Komatsu Excavator PC100, PC200, PC300, PC400
  • Komatsu · PC100-6
  • Komatsu · PC120
  • Komatsu · PC210
  • Komatsu · PC300
  • Komatsu · PC350
  • Komatsu · PC400
  • Komatsu · Komatsu PC100-6 PC120 PC210 PC300 PC350 PC400
  • Komatsu · PC270-8
  • Komatsu · PC270LC-8
  • Komatsu · PC270LC-8N1-W1
  • Komatsu · PC270LC-8-W1
  • Komatsu · PC290-8K
  • Komatsu · PC290LC-8K
  • Komatsu · PC290NLC-8K
  • Komatsu · PC300-5
  • Komatsu · PC300-5C
  • Komatsu · PC300-5K
  • Komatsu · PC300-7E0
  • Komatsu · PC300-8
  • Komatsu · PC300HD-5K

Frequently Asked Questions

What parts replace OEM number PC300?

This page lists 28 replacement listings indexed under PC300. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for PC300?

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 PC300 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.