How do I confirm pilotpart240974 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

Hydraulic Oil Cooler Assy 4377402 for Hitachi Excavator EX400-3

For Hitachi Hydraulic Oil Cooler

Hydraulic Oil Cooler 4377402 for Hitachi

OEM / REF: 4377402SKU: pilotpart240974

Hydraulic Oil Cooler Assy 4377402 for Hitachi Excavator EX400-3 is a Hydraulic Oil Cooler replacement part indexed for Part Number and Model: Hitachi Excavator EX400-3 Specification: 1030*893*125. Match OEM part number 4377402 and confirm fitment for Hitachi HVAC Parts before ordering.

Stock: In stock
Condition: New
Fitment: Hitachi HVAC Parts
Category: Hydraulic Oil Cooler

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$2,264.99USD/EA

~~$38,199.00~~Save 94%

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.

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Lead times can vary by freight route and customs. Contact support for expedited shipping.

Hydraulic Oil Cooler Description

This Hydraulic Oil Cooler is indexed for Part Number; Model: Hitachi Excavator EX400-3 Specification: 1030*893*125. Compare reference number 4377402 against the label on your existing Hitachi component before ordering.

Additional cross references on file: EX400-3. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4377402 EX400-3

Applications

Part Number
Model: Hitachi Excavator EX400-3 Specification: 1030*893*125

Specifications

Part Number	4377402

Fitment Notes

Brand or application signal: Hitachi HVAC Parts
Product family: Hydraulic Oil Cooler
System category: HVAC Parts > Cooling System Components > Hydraulic Oil Cooler
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.