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.


