Part number lookup

D20A-5 Replacement Parts

Cross-reference and compare 4 replacement listings for OEM / aftermarket part number D20A-5. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

4 Matching Products

Part Numbers and Cross References

Applications and Fitment Summary

  • Part Number
  • Komatsu D20P-5 D20S-5 D20A-5 D21P-5 D21PL-5 D21Q-5 Engine 4D94 Water Pump 6144-61-1402 6144-61-140
  • Komatsu D20P-5 D20S-5 D20A-5 D21P-5 D21PL-5 D21Q-5 Engine 4D94 See Details: 4D94-2S S/N 15343-UP4D94-2R S/N 15343-UP4D94-2P S/N 12336-UP4D94-2P S/N 12336-UP D21PL-5 S/N 45013-UP, D21P-5A S/N 45007-UP (Power Angle Tilt Dozer),D21A-5 S/N 45001-UP, D21Q-5 S/N 45094-UP, D21P-5 S/N 45007-UP (Straight Tilt Dozer), D21S-5 S/N 45003-UP4D94-2N S/N 12336-UP D20P-5 S/N 45001-UP (Straight Tilt Dozer), D20S-5 S/N 45001-UP, D20PL-5 S/N 45001-UP, D20P-5A S/N 45003-UP (Power Angle Tilt Dozer), D20A-5 S/N 45001-UP, D20Q-5 S/N 45368-UP4D94-2N S/N 12336-UP D20P-5 S/N 45001-UP
  • Isuzu Engine: 3LB1, 3LD1, 4LB1, 4LE1 Note: This original part does not offer returns or exchange service. Please confirm according to the correct part number instead of just a model.
  • Cummins Engine: L10, M11 Note: This original part does not offer returns or exchange service.Please confirm according to the correct part number instead of just a model.
  • Komatsu · s: Fit For Komatsu Dozer: D20A-3, D20A-5, D20A-6, D20A-7, D20AG-7, D20P-3, D20P-5, D20P-5A, D20P-6, D20P-6A, D20P-7A, D20PG-7A, D20PL-3, D20PL-5, D20PL-6, D20PL-7, D20PLL-6, D20PLL-7, D20Q-5, D20Q-6, D20Q-7, D20QG-6, D20S-5, D20S-6, D20S-7, D21A-3, D21A-5, D21A-6, D21A-7, D21A-7T, D21AG-7, D21E-6, D21P-3, D21P-5, D21P-5A, D21P-6, D21P-6A, D21P-6B, D21P-7A, D21P-7T, D21PG-7A, D21PL-5, D21PL-6, D21PL-7, D21Q-5, D21Q-6, D21Q-7, D21QG-6, D21QG-7, D21S-5, D21S-6, D21S-7

Frequently Asked Questions

What parts replace OEM number D20A-5?

This page lists 4 replacement listings indexed under D20A-5. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for D20A-5?

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 D20A-5 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.