How do I confirm pilotpart166123 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

Water Temperature Sensor YM124250-49351 for Komatsu 3D78N-1B 3D84N-1YC Engine

For Komatsu Sensors

Sensors YM124250-49351 for Komatsu

Q: What part numbers are associated with this Sensors?

YM124250-49351, 124250-49351, 3D78N-1B, 00188-UP, 3D84N-1YC, 20425-UP

OEM / REF: YM124250-49351SKU: pilotpart166123

Komatsu Sensors YM124250-49351 is listed under Electrical Parts > Sensors with catalog data including Part Number: YM124250-49351, YM12425049351, 124250-49351, 12425049351. Verify fitment for Komatsu Electrical Parts using the OEM number, mounting points, and photos of your existing part.

Stock: In stock
Condition: New
Fitment: Komatsu Electrical Parts
Category: Sensors

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$80.36USD/EA

~~$31,599.00~~Save 100%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Sep 23 – Sep 30
10	Sep 21 – Sep 28
50	Sep 19 – Sep 26

Estimates from today; confirm exact lead time before payment.

Quantity

Confirm fitment before ordering →

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

Sensors Description

This Sensors is indexed for Part Number. Compare reference number YM124250-49351 against the label on your existing Komatsu component before ordering.

Additional cross references on file: 124250-49351, 3D78N-1B, 00188-UP. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

YM124250-49351 124250-49351 3D78N-1B 00188-UP 3D84N-1YC 20425-UP

Applications

Part Number

Specifications

Part Number	YM124250-49351, YM12425049351, 124250-49351, 12425049351

Fitment Notes

Brand or application signal: Komatsu Electrical Parts
Product family: Sensors
System category: Electrical Parts > Indicators & Sensing Components > Sensors
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.