How do I confirm pilotpart223978 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 129470-42003 129470-42002 129470-42001 for Yanmar Marine 3JH3E 4JH2E 4JH3 Engine

For Yanmar Water Pump

Water Pump 129470-42003 for Yanmar 3JH25A Engine

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

129470-42003, 129470-42002, 129470-42001, 129271-42001

OEM / REF: 129470-42003SKU: pilotpart223978

Engine Water Pump 129470-42003 129470-42002 129470-42001 for Yanmar Marine 3JH3E 4JH2E 4JH3 Engine is a Water Pump replacement part indexed for Yanmar · 3JH25A and Yanmar · 3JH3, with 3 application records on file. Match OEM part number 129470-42003 and confirm fitment for Yanmar Engine Spare Parts before ordering.

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

$169.99USD/EA

~~$24,139.00~~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 Yanmar · 3JH25A; Yanmar · 3JH3; Yanmar · 3JH30A; Yanmar · 3JH3E. Compare reference number 129470-42003 against the label on your existing Yanmar component before ordering.

Additional cross references on file: 129470-42002, 129470-42001, 129271-42001. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

129470-42003 129470-42002 129470-42001 129271-42001

Applications

Yanmar · 3JH25A
Yanmar · 3JH3
Yanmar · 3JH30A
Yanmar · 3JH3E
Yanmar · 3JH3Z
Yanmar · 3JH3Z1
Yanmar · 3JH3Z2
Yanmar · 3JHLP
Yanmar · 4JH2-DTZ
Yanmar · 4JH2E
Yanmar · 4JH3
Yanmar · 4JH3-DT
Yanmar · 4JH3-DTE
Yanmar · 4JH3-DTZ
Yanmar · 4JH3-DTZAY
Yanmar · 4JH3-HT
Yanmar · 4JH3ZA
Yanmar · 4JH4
Yanmar · 4JH4-TE
Yanmar · 4JHL-HTN

Specifications

Part Number	129470-42003, 129470-42002, 129470-42001, 12947042003, 12947042002, 12947042001, 129271-42001, 12927142001

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.