How do I confirm pilotpart285893 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

Engine Water Pump YM129900-42000 YM129900-42001 For Komatsu Bulldozer D20PL-7 D21A-7 D21S-7 D20P-7A Engine 4D94E 4D98E

For Komatsu Water Pump

Water Pump YM129900-42000 for Komatsu D20A-7-M

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

YM129900-42000, 129900-42000, YM129900-42001, 129900-42001

OEM / REF: YM129900-42000SKU: pilotpart285893

Engine Water Pump YM129900-42000 YM129900-42001 For Komatsu Bulldozer D20PL-7 D21A-7 D21S-7 D20P-7A Engine 4D94E 4D98E is a Water Pump replacement part indexed for Komatsu D20A-7-M and Komatsu D20P-7A, with 3 application records on file. Match OEM part number YM129900-42000 and confirm fitment for Komatsu Engine Spa...

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

$133.90USD/EA

~~$16,944.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 17 – Aug 24
10	Aug 15 – Aug 22
50	Aug 13 – Aug 20

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 D20A-7-M; Komatsu D20P-7A; Komatsu D20P-7A-M; Komatsu D20PL-7. 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

Applications

Komatsu D20A-7-M
Komatsu D20P-7A
Komatsu D20P-7A-M
Komatsu D20PL-7
Komatsu D20PL-7-M
Komatsu D20PLL-7
Komatsu D20PLL-7-M
Komatsu D20Q-7-M
Komatsu D20S-7-M
Komatsu D21A-7
Komatsu D21A-7-M
Komatsu D21A-7T
Komatsu D21A-7T-M
Komatsu D21P-7A-M
Komatsu D21P-7T
Komatsu D21P-7T-M
Komatsu D21PL-7-M
Komatsu D21Q-7-M
Komatsu D21S-7
Komatsu D21S-7-M
Komatsu
Komatsu
Komatsu

Specifications

Part Number	YM129900-42000, YM12990042000, 129900-42000, 12990042000, YM129900-42001, YM12990042001, 129900-42001, 12990042001

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.