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Radiator for Kubota KX161-3S, U45S, U45ST Mini Excavators

SKU:
RD538-42300
FitsModel:
KX161-3S, KX161-3ST, U45S, U45ST
ListDescription:
Radiator
Fits Models:
Placeholder
Part # RD538-42300

Description:

Fits Models At A Glance:

  • Kubota Mini Excavators: KX161-3S, KX161-3ST, U45S, U45ST

Key Notes:

  • Part Numbers: RD538-42300

  • Core Dimensions:

    • Height: 19 3/4 in

    • Width: 17 5/8 in

  • Overall Dimensions:

    • Height: 23 5/8 in (24 1/2 in with pins)

    • Width: 18 1/2 in

    • Thickness: 1 7/8 in

  • Hose Sizes:

    • Inlet: 1 3/8 in

    • Outlet: 1 3/8 in

  • Filler Neck: 43mm O.D., 32mm I.D., 16mm Tall

  • Fins per Inch: 12 (Square Wave Design)

  • Number of Rows: 2

  • Radiator Type: PTR

  • Mounting Points: 12 5/8" center spacing

  • Construction: Heavy-duty aluminum and copper core for efficient heat transfer and long service life

  • Function: Keeps your Kubota excavator running cool under tough job site conditions

Why Choose Broken Tractor:

  • ✅ OEM-fit replacement – direct install, no modifications needed

  • ✅ Built for durability and heat efficiency in Kubota equipment

  • ✅ Backed by Broken Tractor’s quality guarantee

$1,141.00

Shipping charges are calculated at checkout.
Items are NOT guaranteed to be in stock at the time of order.
Refunds are offered if the item is on back-order.

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Our knowledgeable staff will be happy to help you with any of your tractor, backhoe, dozer, or engine parts needs.

1-800-909-7060 Parts Request Form

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Shipping & Return Policy

Do you need your part quickly? You're in luck! We have warehouses all over the country to ensure a quick and easy delivery time. Most of our parts ship from our warehouses the same day you place your order. And many times, orders are delivered in Two to Three days.

Our in house parts are manufactured following strict quality standards in our warehouse in Ohio. Parts such as hydraulic cylinders, pins, bushings, sheet metal, track adjusters, booms and dipper sticks are all ready to ship same day that they are purchased! With less time to wait for your shipment, you will be able to get back to work as quickly as possible.

Did you accidentally purchase the incorrect part? We offer returns and exchanges here at Broken Tractor. To proceed with a return, please call us toll free, and we will provide you with return authorization and a step by step return process for your convenience. We are more than happy to help you exchange your part for the correct one! Give us a call at 1-800-909-7060 and we would be pleased to help you.

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Product: Category: Brand: Head Title: Radiator | Kubota KX161-3S / U45S / U45ST | RD538-42300