How do I confirm pilotpart194438 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 Crankshaft

Crankshaft YM123900-21000 for Komatsu

Q: What part numbers are associated with this Crankshaft?

YM123900-21000, 4TNV106, 4TNV106T, WB140PS-2N, WB150-2N, WB150AWS-2N, WB150PS-2N, WB93R-2, WB97R-2, WB97S-2, WB98A-2

OEM / REF: YM123900-21000SKU: pilotpart194438

4TNV106 4TNV106T Crankshaft YM123900-21000 for Komatsu Backhoe WB140 WB150 WB93R WB97S WB98A is a Crankshaft replacement part indexed for Part Number and Komatsu Loader Backhoe:WB140-2N, WB140PS-2N, WB150-2N, WB150AWS-2N, WB150PS-2N, WB93R-2, WB97R-2, WB97S-2, WB98A-2. Match OEM part number YM123900-21000 and confir...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$1,340.46USD/EA

~~$52,599.00~~Save 97%

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.

Crankshaft Description

This Crankshaft is indexed for Part Number; Komatsu Loader Backhoe:WB140-2N, WB140PS-2N, WB150-2N, WB150AWS-2N, WB150PS-2N, WB93R-2, WB97R-2, WB97S-2, WB98A-2. Compare reference number YM123900-21000 against the label on your existing Komatsu component before ordering.

Additional cross references on file: 4TNV106, 4TNV106T, WB140PS-2N. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

YM123900-21000 4TNV106 4TNV106T WB140PS-2N WB150-2N WB150AWS-2N WB150PS-2N WB93R-2 WB97R-2 WB97S-2 WB98A-2

Applications

Part Number
Komatsu Loader Backhoe:WB140-2N, WB140PS-2N, WB150-2N, WB150AWS-2N, WB150PS-2N, WB93R-2, WB97R-2, WB97S-2, WB98A-2

Specifications

Part Number	YM123900-21000,YM12390021000

Fitment Notes

Brand or application signal: Komatsu Engine Spare Parts
Product family: Crankshaft
System category: Engine Spare Parts > Block & Internal Parts > Crankshaft
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.