How do I confirm pilotpart429785 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 1-13610944-0 1136109440 for Isuzu 6SD1 Engine HITACHI EX300-5 EX300-2 EX300-3 Excavator

For Hitachi Water Pump

Water Pump 1136109440 for Hitachi EX300-5

OEM / REF: 1136109440SKU: pilotpart429785

Engine Water Pump 1-13610944-0 1136109440 for Isuzu 6SD1 Engine HITACHI EX300-5 EX300-2 EX300-3 Excavator is a Water Pump replacement part indexed for Hitachi EX300-5 and Hitachi EX300-2, with 3 application records on file. Match OEM part number 1136109440 and confirm fitment for Hitachi Engine Spare Parts before or...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$298.99USD/EA

~~$42,499.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 25

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 Hitachi EX300-5; Hitachi EX300-2; Hitachi EX300-3; Isuzu. Compare reference number 1136109440 against the label on your existing Hitachi component before ordering.

Before checkout, compare OEM part number 1136109440, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

1136109440

Applications

Hitachi EX300-5
Hitachi EX300-2
Hitachi EX300-3
Isuzu

Specifications

Part Number	1136109440

Fitment Notes

Brand or application signal: Hitachi 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.