How do I confirm pilotpart105720 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 Radiator Assy RD538-42300 for Kubota KX161-3S KX161-3ST KX161-3SCA KX161-3STCA U45-3S Excavator

For Kubota Radiator

Radiator RD538-42300 for Kubota KX161-3S

Q: What part numbers are associated with this Radiator?

RD538-42300, KX161-3ST, U45S, U45ST

OEM / REF: RD538-42300SKU: pilotpart105720

Engine Radiator Assy RD538-42300 for Kubota KX161-3S KX161-3ST KX161-3SCA KX161-3STCA U45-3S Excavator is a Radiator replacement part indexed for Kubota KX161-3S and Kubota KX161-3ST, with 3 application records on file. Match OEM part number RD538-42300 and confirm fitment for Kubota HVAC Parts before ordering.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$354.99USD/EA

~~$50,499.00~~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.

Radiator Description

This Radiator is indexed for Kubota KX161-3S; Kubota KX161-3ST; Kubota KX161-3SCA; Kubota KX161-3STCA. Compare reference number RD538-42300 against the label on your existing Kubota component before ordering.

Additional cross references on file: KX161-3ST, U45S, U45ST. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

RD538-42300 KX161-3STU45SU45ST

Applications

Kubota KX161-3S
Kubota KX161-3ST
Kubota KX161-3SCA
Kubota KX161-3STCA
Kubota U45S
Kubota U45ST
Kubota U45-3S
Kubota s: Fit For Kubota Excavator: KX161-3S, KX161-3ST, U45S, U45ST

Specifications

Size	620460130mm
Part Number	RD538-42300, RD53842300

Fitment Notes

Brand or application signal: Kubota 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.