How do I confirm pilotpart265355 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

For Komatsu Piston

Piston 6151-31-2710 for Komatsu

Q: What part numbers are associated with this Piston?

6151-31-2710, S6D125-1AM, S6D125

OEM / REF: 6151-31-2710SKU: pilotpart265355

1 pc Piston 6151-31-2710 for Komatsu Engine S6D125-1AM S6D125 in USA is a Piston replacement part indexed for Part Number and Komatsu Engine S6D125-1AM S6D125. Match OEM part number 6151-31-2710 and confirm fitment for Komatsu Engine Spare Parts before ordering.

Stock: In stock
Condition: New
Fitment: Komatsu Engine Spare Parts
Category: Piston

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$1,055.65USD/EA

~~$52,599.00~~Save 98%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 21 – Oct 28
10	Oct 19 – Oct 26
50	Oct 17 – Oct 24

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Piston Description

This Piston is indexed for Part Number; Komatsu Engine S6D125-1AM S6D125. Compare reference number 6151-31-2710 against the label on your existing Komatsu component before ordering.

Additional cross references on file: S6D125-1AM, S6D125. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

6151-31-2710 S6D125-1AM S6D125

Applications

Part Number
Komatsu Engine S6D125-1AM S6D125

Specifications

Part Number	6151-31-2710,6151312710

Fitment Notes

Brand or application signal: Komatsu Engine Spare Parts
Product family: Piston
System category: Engine Spare Parts > Cylinder Components > Piston
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.