How do I confirm pilotpart940059 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 Pump For Yanmar Tractor YM1800 YMG1800 YM2000 YMG2000

For Yanmar Water Pump

Water Pump 121023-42100 for Yanmar

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

121023-42100, 121450-42010, 129350-42010

OEM / REF: 121023-42100SKU: pilotpart940059

Water Pump For Yanmar Tractor YM1800 YMG1800 YM2000 YMG2000 is a Water Pump replacement part for Yanmar Engine Spare Parts, categorized under Engine Spare Parts > Water Pump. Use OEM part number 121023-42100 and confirm machine model, engine model, and serial details before checkout.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$51.50USD/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

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 Yanmar Yanmar Tractor YM1800 YMG1800 YM2000 YMG2000. Compare reference number 121023-42100 against the label on your existing Yanmar component before ordering.

Additional cross references on file: 121450-42010, 129350-42010. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

121023-42100 121450-42010 129350-42010

Applications

Yanmar Yanmar Tractor YM1800 YMG1800 YM2000 YMG2000

Fitment Notes

Brand or application signal: Yanmar 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.