Part number lookup

D21A-8T Replacement Parts

Cross-reference and compare 3 replacement listings for OEM / aftermarket part number D21A-8T. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

3 Matching Products

Starting Switch 22B-06-11910 for Komatsu D20A-8 D20P-8 D21A-8 D21P-8 D31PX-21A-M D37EX-21A-MKomatsuStarting Switch 22B-06-11910 for Komatsu D20A-8 D20P-8 D21A-8 D21P-8 D31PX-21A-M D37EX-21A-M$78.40Main Bearing 5 Pairs 1 Set YM729900-02801 For Komatsu Crawler Tractor D20A-8 D20P-8 D20P-8 D21P-8 Yanmar Engine 4TNV94L Komatsu Engine 4D94LEKomatsuMain Bearing 5 Pairs 1 Set YM729900-02801 For Komatsu Crawler Tractor D20A-8 D20P-8 D20P-8 D21P-8 Yanmar Engine 4TNV94L Komatsu Engine 4D94LE$130.38Pilot Gear Pump Ass'y 113-15-00470 for Komatsu Bulldozer D21A-6 D21A-7 D21A-8 D21E-6 D21P-6 D21P-8KomatsuPilot Gear Pump Ass'y 113-15-00470 for Komatsu Bulldozer D21A-6 D21A-7 D21A-8 D21E-6 D21P-6 D21P-8$684.39

Part Numbers and Cross References

22B-06-11910D20A-883001-UPD20P-8D20PLL-863001-UPD20PL-8D21A-8D21A-8TD21A-8E0D21P-8YM729900-0280172990002801D20PLL-8D20P-84TNV94L4D94LE4TNV94L-NCKM113-15-00470D21A-6D21A-7D21A-7-MD21A-7TD21A-7T-MD21AG-7D21E-6D21P-6

Applications and Fitment Summary

  • Komatsu · D20A-8
  • Komatsu · D20P-8
  • Komatsu · D20PL-8
  • Komatsu · D20PLL-8
  • Komatsu · D21A-8
  • Komatsu · D21A-8E0
  • Komatsu · D21A-8T
  • Komatsu · D21P-8
  • Komatsu · D21P-8E0
  • Komatsu · D21P-8T
  • Komatsu · D21PL-8
  • Komatsu · D31EX-21A-M
  • Komatsu · D31PX-21A-M
  • Komatsu · D37EX-21A-M
  • Part Number
  • Komatsu Crawler Tractor D20A-8 D20P-8 D20P-8 D21P-8 Yanmar Engine 4TNV94L Komatsu Engine 4D94LE Main Bearing 5 Pairs 1 Set YM729900-02801
  • Model: Komatsu Crawler Dozer D20A-8, D20P-8, D20PL-8, D20PLL-8D20P-8, D21A-8E0, D21A-8T, D21P-8 Engine: Yanmar Engine 4TNV94L Komatsu Engine 4D94LE Including: Main Bearing Set 5 Pairs, Thrust Plate*4 Units Details: Yanmar Engine Models: 4TNV94L-NCKM 4TNV94L-NCKMK 4TNV94L-NCKSK 4TNV94L-NDL 4TNV94L-NHZ 4TNV94L-NWI 4TNV94L-PDBWE 4TNV94L-PDBWK 4TNV94L-PHYBC 4TNV94L-PHYBW 4TNV94L-PIK 4TNV94L-PIKA1 4TNV94L-PIKA2 4TNV94L-PLY 4TNV94L-SBK 4TNV94L-SFN 4TNV94L-SXZ 4TNV94L-XDB 4TNV94L-XDBC 4TNV94L-XDBK 4TNV94L-XDBKC 4TNV94L-XHYB 4TNV94L-XHYBC Komatsu Engine Models: 4D94LE-2Z-AD 4D94LE-2Z-AD 4D94LE-2Z-AE 4D94LE-2Z-AE 4D94LE-2Z-AB 4D94LE-2Z-AC 4D94LE-2 4D94LE-2Z-BB 4D94LE
  • Models: D21A-6 D21A-7 D21A-7-M D21A-7T D21A-7T-M D21A-8 D21A-8E0 D21A-8T D21AG-7 D21E-6 D21P-6 D21P-6A D21P-6B D21P-7A D21P-7A-M D21P-7T D21P-7T-M D21P-8 D21P-8E0 D21P-8T D21PG-7A D21PL-6 D21PL-7 D21PL-7-M D21PL-8 See Details: D21A-6 S/N 60001-UP BULLDOZERS D21A-7 S/N 75001-78603 (For C.I.S. / Trimming Dozer) BULLDOZERS D21A-7 S/N 75001-78603 BULLDOZERS D21A-7 S/N 78604-UP (4D94E-1 (Emission) Eng. Installed) BULLDOZERS D21A-7-M S/N 78604-UP BULLDOZERS D21A-7T S/N 75001-78603 (Trimming Dozer) BULLDOZERS D21A-7T S/N 75001-78603 BULLDOZERS D21A-7T S/N 78604-UP (Trimming Dozer (m/c)) BULLDOZERS D21A-7T-M S/N 78604-UP BULLDOZERS D21A-8 S/N 83001-UP (Overseas Version) BULLDOZERS D21A-8 S/N 83001-UP BULLDOZERS D21A-8E0 S/N 90001-90209 (INTERIM TIER4) BULLDOZERS D21A-8E0 S/N 90210-UP BULLDOZERS D21A-8T S/N 83001-UP (Trimming) BULLDOZERS D21AG-7 S/N 75001-78603 BULLDOZERS D21E-6 S/N 60001-UP BULLDOZERS D21P-6 S/N 60001-UP (Straight Tilt Dozer) BULLDOZERS D21P-6 S/N 60001-UP BULLDOZERS D21P-6A S/N 60001-UP (Power Angle Tilt Dozer) BULLDOZERS D21P-6B S/N 60001-UP (3-Point Hitchi Spec.) BULLDOZERS D21P-7A S/N 75001-78603 BULLDOZERS D21P-7A-M S/N 78604-UP BULLDOZERS D21P-7T S/N 75001-78603 BULLDOZERS D21P-7T S/N 78604-UP (Trimming Dozer (m/c)) BULLDOZERS D21P-7T-M S/N 78604-UP BULLDOZERS D21P-8 S/N 83001-UP (Overseas Version) BULLDOZERS D21P-8 S/N 83001-UP BULLDOZERS D21P-8E0 S/N 90001-90209 (INTERIM TIER4) BULLDOZERS D21P-8E0 S/N 90210-UP BULLDOZERS D21P-8T S/N 83001-UP (Trimming) BULLDOZERS D21P-8T S/N 83001-UP BULLDOZERS D21PG-7A S/N 75001-78603 BULLDOZERS D21PL-6 S/N 60001-UP BULLDOZERS D21PL-7 S/N 62001-62453 BULLDOZERS D21PL-7-M S/N 62454-UP BULLDOZERS D21PL-8 S/N 63001-UP BULLDOZERS

Frequently Asked Questions

What parts replace OEM number D21A-8T?

This page lists 3 replacement listings indexed under D21A-8T. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for D21A-8T?

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 D21A-8T 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.

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