How do I confirm pilotpart282451-8793403752696 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 Bulldozer D20PL-7 D21A-7 D21S-7 D20P-7A Engine 4D94E 4D98E Water Pump YM129900-42000 YM129900-42001

For Komatsu Water Pump

Water Pump YM129900-42000 for Komatsu

Q: What part numbers are associated with this Water Pump?

YM129900-42000, 129900-42000, YM129900-42001, 129900-42001, 4D98E-1A-TR, 4D98E-1C, WYYM129900-42000

OEM / REF: YM129900-42000SKU: pilotpart282451-8793403752696

For Komatsu Bulldozer D20PL-7 D21A-7 D21S-7 D20P-7A Engine 4D94E 4D98E Water Pump YM129900-42000 YM129900-42001 is a Water Pump replacement part for Komatsu Engine Spare Parts, categorized under Engine Spare Parts > Water Pump. Use OEM part number YM129900-42000 and confirm machine model, engine model, and serial de...

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

$70.00USD/EA

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

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

Water Pump Description

This Water Pump is indexed for Komatsu Komatsu Bulldozer: D20A-7-M, D20P-7A, D20P-7A-M, D20PL-7, D20PL-7-M, D20PLL-7, D20PLL-7-M, D20Q-7-M, D20S-7-M, D21A-7, D21A-7-M, D21A-7T, D21A-7T-M, D21P-7A-M, D21P-7T, D21P-7T-M, D21PL-7-M, D21Q-7-M, D21S-7, D21S-7-M See Details: 4D94E-1A S/N 00101-UP » » D20A-7-M S/N 78604-UP, D21P-7A-M S/N 78604-UP, D20S-7-M S/N 61132-UP, D20PLL-7-M S/N 62454-UP, D21S-7-M S/N 61132-UP, D20P-7A-M S/N 78604-UP, D21PL-7-M S/N 62454-UP, D21A-7-M S/N 78604-UP, D20Q-7-M S/N 61132-UP, D20PL-7-M S/N 62454-UP, D21Q-7-M S/N 61132-UP 4D94E-1A S/N 00101-UP » » D20P-7A S/N 78604-UP (4D94E-1 (Emission) Eng. Installed), D20PLL-7 S/N 62454-UP (4D94E-1 (Emission) Eng. Installed), D21S-7 S/N 61132-UP (4D94E-1 (Emission) Eng. Installed), D21A-7 S/N 78604-UP (4D94E-1 (Emission) Eng. Installed), D20PL-7 S/N 62454-UP (4D94E-1 (Emission) Eng. Installed) 4D94E-1A S/N 00101-UP » » D20P-7A S/N 78604-UP (4D94E-1 (Emission) Eng. Installed), D20PLL-7 S/N 62454-UP (4D94E-1 (Emission) Eng. Installed), D21S-7 S/N 61132-UP (4D94E-1 (Emission) Eng. Installed), D21A-7 S/N 78604-UP (4D94E-1 (Emission) Eng. Installed), D20PL-7 S/N 62454-UP (4D94E-1 (Emission) Eng. Installed） 4D94E-1A S/N 00101-UP » » D21Q-7-M S/N 61132-UP, D20A-7-M S/N 78604-UP, D21P-7A-M S/N 78604-UP, D20S-7-M S/N 61132-UP, D20PLL-7-M S/N 62454-UP, D21S-7-M S/N 61132-UP, D20P-7A-M S/N 78604-UP, D21PL-7-M S/N 62454-UP, D21A-7-M S/N 78604-UP, D20Q-7-M S/N 61132-UP, D20PL-7-M S/N 62454-UP 4D98E-1A-TR S/N 00101-UP » » D21P-7T S/N 78604-UP (Trimming Dozer (m/c)), D21A-7T S/N 78604-UP (Trimming Dozer (m/c)) 4D98E-1A-TR S/N 00101-UP » » D21P-7T-M S/N 78604-UP, D21A-7T-M S/N 78604-UP 4D98E-1C S/N 00101-UP » » PC70FR-1 S/N 10001-UP. Compare reference number YM129900-42000 against the label on your existing Komatsu component before ordering.

Additional cross references on file: 129900-42000, YM129900-42001, 129900-42001. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

YM129900-42000129900-42000YM129900-42001 129900-42001 4D98E-1A-TR 4D98E-1C WYYM129900-42000

Applications

Komatsu Komatsu Bulldozer: D20A-7-M, D20P-7A, D20P-7A-M, D20PL-7, D20PL-7-M, D20PLL-7, D20PLL-7-M, D20Q-7-M, D20S-7-M, D21A-7, D21A-7-M, D21A-7T, D21A-7T-M, D21P-7A-M, D21P-7T, D21P-7T-M, D21PL-7-M, D21Q-7-M, D21S-7, D21S-7-M See Details: 4D94E-1A S/N 00101-UP » » D20A-7-M S/N 78604-UP, D21P-7A-M S/N 78604-UP, D20S-7-M S/N 61132-UP, D20PLL-7-M S/N 62454-UP, D21S-7-M S/N 61132-UP, D20P-7A-M S/N 78604-UP, D21PL-7-M S/N 62454-UP, D21A-7-M S/N 78604-UP, D20Q-7-M S/N 61132-UP, D20PL-7-M S/N 62454-UP, D21Q-7-M S/N 61132-UP 4D94E-1A S/N 00101-UP » » D20P-7A S/N 78604-UP (4D94E-1 (Emission) Eng. Installed), D20PLL-7 S/N 62454-UP (4D94E-1 (Emission) Eng. Installed), D21S-7 S/N 61132-UP (4D94E-1 (Emission) Eng. Installed), D21A-7 S/N 78604-UP (4D94E-1 (Emission) Eng. Installed), D20PL-7 S/N 62454-UP (4D94E-1 (Emission) Eng. Installed) 4D94E-1A S/N 00101-UP » » D20P-7A S/N 78604-UP (4D94E-1 (Emission) Eng. Installed), D20PLL-7 S/N 62454-UP (4D94E-1 (Emission) Eng. Installed), D21S-7 S/N 61132-UP (4D94E-1 (Emission) Eng. Installed), D21A-7 S/N 78604-UP (4D94E-1 (Emission) Eng. Installed), D20PL-7 S/N 62454-UP (4D94E-1 (Emission) Eng. Installed） 4D94E-1A S/N 00101-UP » » D21Q-7-M S/N 61132-UP, D20A-7-M S/N 78604-UP, D21P-7A-M S/N 78604-UP, D20S-7-M S/N 61132-UP, D20PLL-7-M S/N 62454-UP, D21S-7-M S/N 61132-UP, D20P-7A-M S/N 78604-UP, D21PL-7-M S/N 62454-UP, D21A-7-M S/N 78604-UP, D20Q-7-M S/N 61132-UP, D20PL-7-M S/N 62454-UP 4D98E-1A-TR S/N 00101-UP » » D21P-7T S/N 78604-UP (Trimming Dozer (m/c)), D21A-7T S/N 78604-UP (Trimming Dozer (m/c)) 4D98E-1A-TR S/N 00101-UP » » D21P-7T-M S/N 78604-UP, D21A-7T-M S/N 78604-UP 4D98E-1C S/N 00101-UP » » PC70FR-1 S/N 10001-UP

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.