Part number lookup

D31A-20 Replacement Parts

Cross-reference and compare 10 replacement listings for OEM / aftermarket part number D31A-20. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

10 Matching Products

Air Filter 600-181-6540 for Komatsu PC100L-6 PC120SC-6 PC128US-1 PC128UU-1KomatsuAir Filter 600-181-6540 for Komatsu PC100L-6 PC120SC-6 PC128US-1 PC128UU-1$139.53Angle Tilt Frame Pivot 114-72-00060 for Komatsu D31P-17A D31P-20A D37A-5 D37P-5A D37E-5KomatsuAngle Tilt Frame Pivot 114-72-00060 for Komatsu D31P-17A D31P-20A D37A-5 D37P-5A D37E-5$190.00Brake Band Assembly 113-33-31110 113-33-43111 113-33-43113 for Komatsu Bulldozer D31A-17 D31E-17 D31P-18 D31Q-17 D31S-17 D37A-5 D37E-5 D37P-5AKomatsuBrake Band Assembly 113-33-31110 113-33-43111 113-33-43113 for Komatsu Bulldozer D31A-17 D31E-17 D31P-18 D31Q-17 D31S-17 D37A-5 D37E-5 D37P-5A$398.00Drive Gear Flange 113-27-21230 for Komatsu Dozer D30AM D31A D31AM D31P D31E D31PG D31Q D31S D40A D41AKomatsuDrive Gear Flange 113-27-21230 for Komatsu Dozer D30AM D31A D31AM D31P D31E D31PG D31Q D31S D40A D41A$278.00Floating Seal Kit 140-30-00141 for Komatsu HB335-1 PC100-1 PC100L-2 PC10-7 PC120-2 PC150LC-1 PC20-7 PC220-2 PC290LC-11 PC80-1KomatsuFloating Seal Kit 140-30-00141 for Komatsu HB335-1 PC100-1 PC100L-2 PC10-7 PC120-2 PC150LC-1 PC20-7 PC220-2 PC290LC-11 PC80-1$37.00Outer Drum 120-22-31132 for Komatsu Dozer D31A-17 D31E-20 D31P-18 D31P-20 D31Q-17 D31Q-18 D37A-5KomatsuOuter Drum 120-22-31132 for Komatsu Dozer D31A-17 D31E-20 D31P-18 D31P-20 D31Q-17 D31Q-18 D37A-5$544.00Pilot Valve 702-16-83000 for Komatsu Dozer D31E-20 D31P-20 D37P-5A D37A-5 D31SM-20KomatsuPilot Valve 702-16-83000 for Komatsu Dozer D31E-20 D31P-20 D37P-5A D37A-5 D31SM-20$405.00Plate 120-22-31211 for Komatsu Dozer D31A-17 D31E-20 D31P-20 D31S-18 D37E-5 D40A-3 D40PL-3 D41A-3 D41P-5 D41S-3KomatsuPlate 120-22-31211 for Komatsu Dozer D31A-17 D31E-20 D31P-20 D31S-18 D37E-5 D40A-3 D40PL-3 D41A-3 D41P-5 D41S-3$80.00Pump Assembly 705-12-33110 for Komatsu Bulldozer D31E-20 D31AM-20 D39PX-21A D39EX-21A D37A-5 D31S-20KomatsuPump Assembly 705-12-33110 for Komatsu Bulldozer D31E-20 D31AM-20 D39PX-21A D39EX-21A D37A-5 D31S-20$360.00Trunnion Cup 114-72-00060 Trunnion Ball 120-Y46-3161 for Komatsu Dozer D31A-20 D37A-5 D37E-5 D37P-5AKomatsuTrunnion Cup 114-72-00060 Trunnion Ball 120-Y46-3161 for Komatsu Dozer D31A-20 D37A-5 D37E-5 D37P-5A$350.00

Part Numbers and Cross References

600-181-65406001816550D31A-2042001-UPD31AM-20D31E-20D31P-2045001-UPD31P-20AD31P-20TD31PL-20D31PLL-20D31A-17D31E-17D31P-16AD31P-17AD31P-18AD31PG-20AD37A-5D37E-5113-33-31110113-33-43111113-33-43112113-33-43113113-33-43114D31P-17113-27-21230D31A-16D31P-16D31P-18140-30-00141BR550JG-1BZ120-1BZ200-1D31EX-21D31EX-21A-M120-22-31132702-16-83000702-16-83001702-16-83002D37P-5A120-22-31211R7051233110705-12-33110D39PX-21AD39PX-21A-MD39PX-21114-72-00060120-Y46-3161D37PG-5A

Applications and Fitment Summary

  • Part Number
  • Komatsu · s: Fit For Komatsu Crawler Dozer: D31A-16, D31A-17, D31A-20, D31AM-20, D31E-17, D31E-20, D31P-16A, D31P-17A, D31P-18A, D31P-20A, D31PG-20A, D37A-5, D37E-5, D37P-5A, D37PG-5A
  • Komatsu · s: Fit For Komatsu Dozer: D30AM-17, D31A-16, D31A-17, D31A-20, D31AM-20, D31E-17, D31E-20, D31P-16, D31P-16A, D31P-17, D31P-17A, D31P-18, D31P-18A, D31P-20, D31P-20A, D31P-20T, D31PG-20A, D31PL-16, D31PL-17, D31PL-18, D31PL-20, D31PLL-18, D31PLL-20, D31Q-16, D31Q-17, D31Q-18, D31Q-20, D31S-16, D31S-17, D31S-18, D31S-20, D31SM-20, D37A-5, D37E-5, D37P-5A, D37PG-5A, D40A-3, D40A-5, D40AM-3, D40AM-5, D40F-3, D40P-3, D40P-5, D40P-5A, D40PF-3, D40PF-3A, D40PF-5, D40PL-3, D40PL-5, D40PLL-3, D40PLL-5, D41A-3, D41A-5, D41E-3, D41E-3A, D41P-3, D41P-5, D41P-5A, D41Q-3, D41S-3
  • Komatsu · s: Fit for Komatsu Dozer: D31E-20, D31A-20, D31AM-20, D31PL-20, D31PLL-20, D31P-20, D31P-20T, D31P-20A, D31PG-20A, D37P-5A, D37PG-5A, D37A-5, D37E-5, D31S-20, D31SM-20, D31Q-20
  • Komatsu · s: Komatsu Dozer: D30AM-17, D31A-17, D31A-20, D31AM-20, D31E-17, D31E-20, D31P-17, D31P-17A, D31P-18, D31P-18A, D31P-20, D31P-20A, D31P-20T, D31PG-20A, D31PL-17, D31PL-18, D31PL-20, D31PLL-18, D31PLL-20, D31Q-17, D31Q-18, D31Q-20, D31S-17, D31S-18, D31S-20, D31SM-20, D37A-5, D37E-5, D37P-5A, D37PG-5A, D40A-3, D40A-5, D40AM-3, D40AM-5, D40F-3, D40P-3, D40P-5, D40P-5A, D40PF-3, D40PF-3A, D40PF-5, D40PL-3, D40PL-5, D40PLL-3, D40PLL-5, D41A-3, D41A-5, D41E-3, D41E-3A, D41P-3, D41P-5, D41P-5A, D41Q-3, D41S-3
  • Komatsu · s: Fit for Komatsu Dozer: D31E-20, D31A-20, D31AM-20, D31P-20A, D31PG-20A, D31P-18A, D37P-5A, D37PG-5A, D37A-5, D37E-5

Frequently Asked Questions

What parts replace OEM number D31A-20?

This page lists 10 replacement listings indexed under D31A-20. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for D31A-20?

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 D31A-20 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

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