How do I confirm pilotpart207507-8976571236589 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 Engine Radiator Core ASSY 21W-03-31110 For Komatsu Engine 4D102 Excavator PC75UD-3 PC75UU-3

For Komatsu Radiator

Radiator 21W-03-31110 for Komatsu

OEM / REF: 21W-03-31110SKU: pilotpart207507-8976571236589

Water Tank Engine Radiator Core ASSY 21W-03-31110 For Komatsu Engine 4D102 Excavator PC75UD-3 PC75UU-3 is a Radiator replacement part indexed for Part Number and Komatsu Engine 4D102 Excavator PC75UD-3 PC75UU-3 Water Tank Engine Radiator Core ASSY 21W-03-31110, with 3 application records on file. Match OEM part numb...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$1,159.03USD/EA

~~$38,199.00~~Save 97%

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.

Radiator Description

This Radiator is indexed for Part Number; Komatsu Engine 4D102 Excavator PC75UD-3 PC75UU-3 Water Tank Engine Radiator Core ASSY 21W-03-31110; Model: PC75UD-3 PC75UU-3 See Details: PC75UD-3 S/N 15001-UP EXCAVATORSPC75US-3 S/N 16307-UP EXCAVATORSPC75UU-3 S/N 15001-UP EXCAVATORSPC75UU-3 S/N 15001-UP EXCAVATORS; Komatsu Komatsu Excavator PC75UD-3 PC75UU-3. Compare reference number 21W-03-31110 against the label on your existing Komatsu component before ordering.

Additional cross references on file: B07Y2GPSMF. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

21W-03-31110 B07Y2GPSMF

Applications

Part Number
Komatsu Engine 4D102 Excavator PC75UD-3 PC75UU-3 Water Tank Engine Radiator Core ASSY 21W-03-31110
Model: PC75UD-3 PC75UU-3 See Details: PC75UD-3 S/N 15001-UP EXCAVATORSPC75US-3 S/N 16307-UP EXCAVATORSPC75UU-3 S/N 15001-UP EXCAVATORSPC75UU-3 S/N 15001-UP EXCAVATORS
Komatsu Komatsu Excavator PC75UD-3 PC75UU-3

Specifications

Part Number	21W-03-31110, 21W0331110

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.