How do I confirm pilotpart242388 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

Oil Cooler 4230331321 for Komatsu WA380-5 WA400-5 HD465-7R HD605-7E0 HD605-7R

For Komatsu Hydraulic Oil Cooler

Hydraulic Oil Cooler 4230331321 for Komatsu

Q: What part numbers are associated with this Hydraulic Oil Cooler?

4230331321, WA400-5L, A40001-UP, WA400-5, WA400-5H50051, 70001-UP, WA380-5-TN, 60001-UP, WA380-5-SN, WA380-5L, A52001-UP, WA380-5

OEM / REF: 4230331321SKU: pilotpart242388

Komatsu Hydraulic Oil Cooler 4230331321 is listed under HVAC Parts > Hydraulic Oil Cooler with catalog data including Part Number: 4230331321, 423-03-31321. Verify fitment for Komatsu HVAC Parts using the OEM number, mounting points, and photos of your existing part.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$1,305.07USD/EA

~~$38,199.00~~Save 97%

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.

Hydraulic Oil Cooler Description

This Hydraulic Oil Cooler is indexed for Part Number. Compare reference number 4230331321 against the label on your existing Komatsu component before ordering.

Additional cross references on file: WA400-5L, A40001-UP, WA400-5. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4230331321 WA400-5L A40001-UP WA400-5 WA400-5H50051 70001-UP WA380-5-TN 60001-UP WA380-5-SN WA380-5L A52001-UP WA380-5

Applications

Part Number

Specifications

Part Number	4230331321, 423-03-31321

Fitment Notes

Brand or application signal: Komatsu 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.