How do I confirm pilotpart718437 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 Water Pump

Water Pump 729428-42004 for Komatsu PC35

OEM / REF: 729428-42004SKU: pilotpart718437

Engine Water Pump 729428-42004 for Komatsu PC35 PC45 Excavators is a Water Pump replacement part indexed for Komatsu PC35 and Komatsu PC45. Match OEM part number 729428-42004 and confirm fitment for Komatsu Engine Spare Parts before ordering.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$123.99USD/EA

~~$17,699.00~~Save 99%

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.

Water Pump Description

This Water Pump is indexed for Komatsu PC35; Komatsu PC45. Compare reference number 729428-42004 against the label on your existing Komatsu component before ordering.

Additional cross references on file: 729428-42003, 129100-42002, 129100-42004. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

729428-42004 729428-42003 129100-42002 129100-42004 129002-42004 129100-42005 YM129002-42004

Applications

Komatsu PC35
Komatsu PC45

Specifications

Gasket	Included
Part Number	729428-42004, 729428-42003, 129100-42002, 129100-42004, 129002-42004, 129100-42005, YM129002-42004

Fitment Notes

Brand or application signal: Komatsu Engine Spare Parts
Product family: Water Pump
System category: Engine Spare Parts > Lubrication & Cooling Systems > Water Pump
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.