How do I confirm pilotpart011859-8594871714040 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 Tank Radiator Core 424-03-D1220 424-03-21221 for Komatsu Loader WA380-3 WA420-3

For Komatsu Radiator

Radiator 424-03-21221 for Komatsu

Q: What part numbers are associated with this Radiator?

424-03-21221, 424-03-D1220, WA250-6, WA270-5, WA270-7, WA320-5, WA320-6, WA320-7, WA380-3, WA420-3, WY424-03-D1220

OEM / REF: 424-03-21221SKU: pilotpart011859-8594871714040

Water Tank Radiator Core 424-03-D1220 424-03-21221 for Komatsu Loader WA380-3 WA420-3 is a Radiator replacement part for Komatsu HVAC Parts, categorized under HVAC Parts > Radiator. Use OEM part number 424-03-21221 and confirm machine model, engine model, and serial details before checkout.

Stock: In stock
Condition: New
Fitment: Komatsu HVAC Parts
Category: Radiator

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$2,669.00USD/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.

Radiator Description

This listing helps buyers source a Radiator for Komatsu HVAC Parts by OEM number 424-03-21221, SKU pilotpart011859-8594871714040, and HVAC Parts > Cooling System Components > Radiator category filters.

Additional cross references on file: 424-03-D1220, WA250-6, WA270-5. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

424-03-21221 424-03-D1220 WA250-6 WA270-5 WA270-7 WA320-5 WA320-6 WA320-7 WA380-3 WA420-3 WY424-03-D1220

Fitment Notes

Brand or application signal: Komatsu HVAC Parts
Product family: Radiator
System category: HVAC Parts > Cooling System Components > Radiator
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.