How do I confirm pilotpart266062-01 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

Piston Kit With Ring Set YM129906-22080 YM129906-22050 for Komatsu D20A-8 D20P-8 D20P-8 D21P-8 Yanmar Engine 4TNV94L Komatsu Engine 4D94LE

For 4tnv94l-nckm Piston Ring

Piston Ring YM129906-22080 for 4tnv94l-nckm 4TNV94L-NDL Engine

Q: What part numbers are associated with this Piston Ring?

YM129906-22080, YM129906-22050, 12990622080, 12990622050

OEM / REF: YM129906-22080SKU: pilotpart266062-01

Piston Kit With Ring Set YM129906-22080 YM129906-22050 for Komatsu D20A-8 D20P-8 D20P-8 D21P-8 Yanmar Engine 4TNV94L Komatsu Engine 4D94LE is a Piston Ring replacement part indexed for 4TNV94L-NCKM 4TNV94L-NCKSK · 4TNV94L-NDL and 4TNV94L-NHZ 4TNV94L-PDBWE · 4TNV94L-PDBWK, with 3 application records on file. Match OE...

Stock: In stock
Condition: New
Fitment: 4tnv94l-nckm Engine Spare Parts
Category: Piston Ring

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$401.19USD/EA

~~$52,599.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 25

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 Ring Description

This Piston Ring is indexed for 4TNV94L-NCKM 4TNV94L-NCKSK · 4TNV94L-NDL; 4TNV94L-NHZ 4TNV94L-PDBWE · 4TNV94L-PDBWK; 4TNV94L-PHYBC 4TNV94L-PIK · 4TNV94L-PIKA1; 4TNV94L-PIKA2 4TNV94L-SBK · 4TNV94L-SFN. Compare reference number YM129906-22080 against the label on your existing 4tnv94l-nckm component before ordering.

Additional cross references on file: YM129906-22050, 12990622080, 12990622050. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

YM129906-22080 YM129906-22050 12990622080 12990622050

Applications

4TNV94L-NCKM 4TNV94L-NCKSK · 4TNV94L-NDL
4TNV94L-NHZ 4TNV94L-PDBWE · 4TNV94L-PDBWK
4TNV94L-PHYBC 4TNV94L-PIK · 4TNV94L-PIKA1
4TNV94L-PIKA2 4TNV94L-SBK · 4TNV94L-SFN
4TNV94L-SXZ 4TNV94L-XDBC · 4TNV94L-XDBK
4TNV94L-XDBKC 4TNV94L-XHYBC
4D94LE-2Z-AD 4D94LE-2Z-AE · 4D94LE-2Z-AE
4D94LE-2Z-AB 4D94LE-2 · 4D94LE-2Z-BB
See fitment notes

Specifications

Part Number	YM129906-22080,YM129906-22050,12990622080,12990622050

Fitment Notes

Brand or application signal: 4tnv94l-nckm Engine Spare Parts
Product family: Piston Ring
System category: Engine Spare Parts > Cylinder Components > Piston Ring
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.