In StockOverhaul Rebuild Kit for 6D125-1Z Engine Komatsu Grader GD663A-2 Piston Number 6150-31-2112
For KomatsuOverhaul Kits

Overhaul Kits 6150-31-2112 for Komatsu

OEM / REF: 6150-31-2112SKU: pilotpart261442-01

Overhaul Rebuild Kit for 6D125-1Z Engine Komatsu Grader GD663A-2 Piston Number 6150-31-2112 is a Overhaul Kits replacement part indexed for Part Number and 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 Pis...

Stock
In stock
Condition
New
Fitment
Komatsu Engine Spare Parts
  • Fitment support before you order
  • Worldwide delivery options

Overhaul Kits Description

This Overhaul Kits is indexed for 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. Compare reference number 6150-31-2112 against the label on your existing Komatsu component before ordering.

Additional cross references on file: 6D125-1Z, GD663A-2. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • 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

Specifications

Part Number6150-31-2112,6150312112

Fitment Notes

Brand or application signal
Komatsu Engine Spare Parts
Product family
Overhaul Kits
System category
Engine Spare Parts > Cylinder Components > Overhaul Kits
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.