How do I confirm pilotpart289855 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 Joint 129004-42040 for Yanmar Engine 3TNV84-GDD 3TNV88-XTBZ 4TNV88-QTB 4TNV84-KWA

For Yanmar Water Pump

Water Pump 129004-42040 for Yanmar

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

129004-42040, 3TNV84-GDD, 3TNV88-XTBZ, 4TNV88-QTB, 4TNV88-QTBZ, 3TNV88-BPTB2, 4TNV88-BPTB, 3TNV88-XWA2, 3TNV88-XWA, 4TNV84T-XWA, 4TNV88-XWA, 4TNV84T-KWA

OEM / REF: 129004-42040SKU: pilotpart289855

Yanmar Water Pump 129004-42040 is listed under Engine Spare Parts > Water Pump with catalog data including Part Number: 129004-42040, 12900442040. Verify fitment for Yanmar Engine Spare Parts using the OEM number, mounting points, and photos of your existing part.

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

$254.75USD/EA

~~$38,199.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 16 – Aug 23
10	Aug 14 – Aug 21
50	Aug 12 – Aug 19

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 Part Number. Compare reference number 129004-42040 against the label on your existing Yanmar component before ordering.

Additional cross references on file: 3TNV84-GDD, 3TNV88-XTBZ, 4TNV88-QTB. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

129004-42040 3TNV84-GDD 3TNV88-XTBZ 4TNV88-QTB 4TNV88-QTBZ 3TNV88-BPTB2 4TNV88-BPTB 3TNV88-XWA2 3TNV88-XWA 4TNV84T-XWA 4TNV88-XWA 4TNV84T-KWA

Applications

Part Number

Specifications

Part Number	129004-42040, 12900442040

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.