Part number lookup

GD663A-2 Replacement Parts

Cross-reference and compare 3 replacement listings for OEM / aftermarket part number GD663A-2. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

3 Matching Products

Part Numbers and Cross References

Applications and Fitment Summary

  • Komatsu · s: Fit For Komatsu Road Cutter: GC380-1, GC380F-1, GC380F-1A, GC380F-2 Fit For Komatsu Motor Grader: GD605A-5, GD605A-5S, GD625A-1, GS360-2, GD621A-1, GD621R-1, GD661A-1, GD623A-1, GD663A-2
  • Part Number
  • Models with Komatsu 6D125-1Z EngineRefer Komatsu Grader GD663A-2,not only this model. Content: 1 Set of Overhaul Gasket Kit 6 Cylinder Liners 6 Pistons STD 6 Piston Pins 12 Snap Rings 6 Rod Bushings Set Rings For 6 Pistons STD 1 Set of Main Bearings 1 Set of Rod Bearings 1 Set of Thrust Bearing 6 Intake Valves 6 Exhaust Valves 12 Valve Guides 6 Intake Valves Seats 6 Exhaust Valves Seats

Frequently Asked Questions

What parts replace OEM number GD663A-2?

This page lists 3 replacement listings indexed under GD663A-2. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for GD663A-2?

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 GD663A-2 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

Send machine details before ordering high-risk parts.