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GD521A-1E Replacement Parts

Cross-reference and compare 5 replacement listings for OEM / aftermarket part number GD521A-1E. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

5 Matching Products

Part Numbers and Cross References

Applications and Fitment Summary

  • Part Number
  • Komatsu Grader GD623A-1 GD621A-1 GD611A-1 GD605A-5 GD521A-1 GD505A-3 Hydraulic Pump Assembly 23B-60-11102
  • Komatsu · s: For KOMATSU
  • Komatsu · s: Fit for Komatsu Motor Grader: GD31-1, GD405A-2, GD405A-3S, GD510R-1, GD511A-1, GD521A-1, GD521A-1E, GD523A-1, GD535-5, GD555-3A, GD555-3C, GD605A-3, GD655-3, GD655-3C, GD655-3E0, GD655-5, GD655A-3, GD675-3A, GD675-3E0, GD705A-3A, GD705A-4A-N, GD755-3, GH320-2, GD37-4, GD37-5H, GD405A-3, GD500R-2A, GD525A-1, GD600R-3, GD611A-1, GD621A-1, GD623A-1, GD625A-1, GD655-3A, GD655-6, GD655-7, GD675-5, GD675-6, GD675-7E0, GD705R-1, GD705R-1A, GD37-6H, GD621R-1, GD655-3Y, GD663A-2, GD675-3, GD40HT-2, GD505A-2, GD505A-3A, GD555-5, GD600R-1, GD605A-1, GD505A-3, GD605A-5, GD661A-1, GD705A-4A, GD605A-5S
  • Komatsu Grader TYPE: Transmission Pump Assy See Details: GD505A-3A S/N 2001-UP GRADERS GD511A-1 S/N 10001-UP GRADERS GD521A-1 S/N 10001-UP (S6D105-1 Eng. Installed) GRADERS GD521A-1E S/N 12001-UP (S6D102E-2 (Emission) Eng. Installed) GRADERS GD605A-5 S/N 1001-UP GRADERS GD605A-5S S/N 4001-UP GRADERSGD611A-1 S/N 10001-UP GRADERS. GD621R-1 S/N 10001-UP GRADERSGD623A-1 S/N 30001-UP GRADERS GD661A-1 S/N 10001-UP GRADERSGD663A-2 S/N 1001-UP GRADERS
  • Komatsu · GD623A-1 S/N 30001-UP GD611A-1 S/N 10001-UP GD621R-1 S/N 10001-UP GD605A-5 S/N 1001-UP GD605A-5S S/N 4001-UP GD521A-1 S/N 10001-UP (S6D105-1 Eng. Installed) GD521A-1E S/N 12001-UP (S6D102E-2 (Emission) Eng. Installed) GD511A-1 S/N 10001-UP GD505A-3A S/N 2001-UP GD663A-2 S/N 1001-UP GD661A-1 S/N 10001-UP GD511A-1 S/N J20903-UP GD663A-2 S/N 1001-UP
  • Komatsu GD405A-3 GD505A-3A GD521A-1E GD405A-3S Engine 6D102 Turbo HX35 Turbocharger 6735-81-8200
  • Model: Komatsu Excavator GD405A-3, GD505A-3A,GD521A-1E, GD405A-3S Engine: 6D102E-1 Turbo Model:HX35 Details: S6D102E-1J S/N 26200929-UP » » GD405A-3 S/N 5001-UP, GD405A-3S S/N 4701-UP S6D102E-1M S/N 26200929-UP » » GD505A-3A S/N 2001-UP S6D102E-1T S/N 26200929-UP » » GD521A-1E S/N 12001-UP (S6D102E-2 (Emission) Eng. Installed)

Frequently Asked Questions

What parts replace OEM number GD521A-1E?

This page lists 5 replacement listings indexed under GD521A-1E. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for GD521A-1E?

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 GD521A-1E 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.