Part number lookup

PC40MRX-1 Replacement Parts

Cross-reference and compare 7 replacement listings for OEM / aftermarket part number PC40MRX-1. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

7 Matching Products

39Links One Side Track Link Chain Assembly 20T-32-00140 for Komatsu Excavator PC40-7 PC40R-8 PC45R-8 PC50UD-2 PC58UU-3Komatsu39Links One Side Track Link Chain Assembly 20T-32-00140 for Komatsu Excavator PC40-7 PC40R-8 PC45R-8 PC50UD-2 PC58UU-3$1,759.00Arm Cylinder Seal Kit 707-98-25250 For Komatsu Excavator PC40MR-1 PC40MRX-1 PC40R-8ArmArm Cylinder Seal Kit 707-98-25250 For Komatsu Excavator PC40MR-1 PC40MRX-1 PC40R-8$141.24Main Bearing YM129001-02931 YM129150-02871 For Komatsu Excavator PC50FR-2 PC50UU-2 PC40MR-1 PC58SF-1 Yanmar Engine 4TNE88 Komatsu Engine 4D88EKomatsuMain Bearing YM129001-02931 YM129150-02871 For Komatsu Excavator PC50FR-2 PC50UU-2 PC40MR-1 PC58SF-1 Yanmar Engine 4TNE88 Komatsu Engine 4D88E$112.74Mounting Rubber Cushion 20S-01-71331 for Komatsu CD30R-1 PC40MR-1 PC45MR-1 PC50MR-2 PC55MR-3 PC58UU-3 SK714-5 WA100-5 WA200-5KomatsuMounting Rubber Cushion 20S-01-71331 for Komatsu CD30R-1 PC40MR-1 PC45MR-1 PC50MR-2 PC55MR-3 PC58UU-3 SK714-5 WA100-5 WA200-5$188.06Muffler Silencer YM129608-13511 YM129612-13590 For Komatsu Excavator PC40MR-1 PC45MR-1 Engine 4D88E 4D84EKomatsuMuffler Silencer YM129608-13511 YM129612-13590 For Komatsu Excavator PC40MR-1 PC45MR-1 Engine 4D88E 4D84E$462.24Relief Valve 723-10-12800 for Komatsu Excavator PC50MR-2 PC45MRX-1 PC40MR-2 PC58UU-3 PC55MR-3KomatsuRelief Valve 723-10-12800 for Komatsu Excavator PC50MR-2 PC45MRX-1 PC40MR-2 PC58UU-3 PC55MR-3$73.00Swivel Joint Ass 703-06-22210 for Komatsu Excavator PC35 PC38 PC40 PC45 PC50 PC56 PC58 OrignalKomatsuSwivel Joint Ass 703-06-22210 for Komatsu Excavator PC35 PC38 PC40 PC45 PC50 PC56 PC58 Orignal$1,410.95

Part Numbers and Cross References

20T-32-00140PC40MR-1PC40MRX-1PC40R-7PC40R-8PC45-1PC45MR-1PC45MRX-1PC45R-8PC50UD-2PC50UG-2PC50UU-2707-98-2525022M-63-021221001-UP30001-UPYM129001-02931YM129150-02871One4TNE884D88EPC50UU-2EPC58UU-3-NPC40MRX-1-EPC40MRX-1-NPC40MR-A20S-01-71331CD30R-1PC40MR-2PC40MR-2-ACPC45MR-3PC50MR-2YM129608-13511YM129612-135904D88E-3H00101-UP4D84E-3E03508-UP723-10-12800PC50MR-2-ACPC58UU-3PC55MR-3PC57-7703-06-22210PC35MRX-1APC35MR-1

Applications and Fitment Summary

  • Komatsu · s: Komatsu Excavators:PC40-7, PC40MR-1, PC40MRX-1, PC40R-7, PC40R-8, PC45-1, PC45MR-1, PC45MRX-1, PC45R-8, PC50UD-2, PC50UG-2, PC50UU-2, PC50UUM-2, PC58SF-1, PC58UU-3
  • Part Number
  • Arm Cylinder: 22M-63-02122 Bore: 80mm Rod: 50mm Code: P-U-14 See Details: PC40MR-1 S/N 1001-UP PC40MRX-1 S/N 1001-UP (For EU) PC40MRX-1 S/N 1001-UP (For North America) PC40R-8 S/N 30001-UP Note: Please contact us to confirm the hydraulic seal kit you need before buying, thank you!
  • Komatsu Excavator PC50FR-2 PC50UU-2 PC40MR-1 PC58SF-1 Yanmar Engine 4TNE88 Komatsu Engine 4D88E Main Bearing YM129001-02931 YM129150-02871
  • Enigine:Yanmar Engine 4TNE88 Komatsu Engine 4D88E Mode:Komatsu Excavator PC50UU-2E, PC58UU-3-N, PC40MRX-1-E, PC40MRX-1-N PC40MR-1, PC40MR-A, PC40MRX-1, PC45MR-1, PC50FR-1, PC50FR-2, PC50UD-2, PC50UG-2, PC50UUM-2, PC58SF-1, PC58UU-3 Including: Main Bearing*5 Pairs Details: YANMAR Engine Models: 4TNE88-ACG 4TNE88-AGD 4TNE88-EAD 4TNE88-EFL 4TNE88-YS 4TNE88-ACGD 4TNE88-BEN 4TNE88-EAD1 4TNE88-EG1A 4TNE88-IKA 4TNE88-AD 4TNE88-BUE 4TNE88-EADS 4TNE88-GR 4TNE88-LAN 4TNE88-ADEL 4TNE88-EACG 4TNE88-EC1MC 4TNE88-HP 4TNE88-M-EK 4TNE88-MS 4TNE88-NSW 4TNE88-SA 4TNE88-ETB 4TNE88-EYBC 4TNE88-NS 4TNE88-PG 4TNE88-TB 4TNE88-ETBZ 4TNE88-ETB1 4TNE88-NSR 4TNE88-P2 4TNE88-TB1 KOMATSU ENGINE Model: 4D88E-3A 4D88E-3C 4D88E-3H 4D88E-3F 4D88E-3C-04 4D88E-3B 4D88E-3GB 4D88E-3D 4D88E-3C-M 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)
  • Komatsu · s: Fit For Komatsu Excavator: PC50MR-2, PC50MR-2-AC, PC45MRX-1, PC45MR-1, PC40MR-2, PC40MRX-1, PC40MR-2-AC, PC40MR-1, PC58UU-3, PC45MR-3, PC55MR-3, PC57-7, PC55MR-5, PC45MR-5, PC45MR-5M0, PC55MR-5M0

Frequently Asked Questions

What parts replace OEM number PC40MRX-1?

This page lists 7 replacement listings indexed under PC40MRX-1. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for PC40MRX-1?

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 PC40MRX-1 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.