Free Shipping to commercial address. *Restrictions apply


Kubota KX41-3V U15 U17 Idler

Kubota KX 41-3V U17 Idler RB237-21309
Kubota KX41-3V U15 U17 Idler
This is the aftermarket replacement tension idler for the Kubota KX 41-3 and 41-3V mini excavators which now fits the U15 and U17 series. This tension idler ships free when you check out online.
SKU: RB237-21309
Weight: 31 lbs
Make: Kubota
Shipping: Fast and Free!
Price: $341.00

Rubber tracks and wear parts are sold individually unless specified in the details. We offer free shipping across the USA when you order online and ship to a commercial address. *Some restrictions apply.

The U15 and U17 series mini excavators now use this tried and true KX41-3 tension idler. This is the aftermarket replacement tension idler for the Kubota mini excavators listed below.

  • Kubota KX 018-4/li>
  • Kubota KX 41-3
  • Kubota KX 41-3V
  • Kubota U15
  • Kubota U17

This is the larger wheel that tensions the rubber track when you grease the tensioner. It is located on the opposite end of the undercarriage from the sprocket, and there is one idler per side, two total per mini excavator. The idler is sold as a complete assembly with the mounting arms and bearing complete as pictured.

Alternate Part Numbers

  • Kubota Dealer Part Number: RB237-21309, RB237-21308, RB237-21307, RA231-21300, RA231-21302

Alternate Models

This idler assembly (RB237-21309) is known to fit:

  • Kubota KX 41-3
  • Kubota KX 41-3v
  • Kubota U15
  • Kubota U17
  • Case CK13
  • Case CK15

Quality Kubota Parts

These single flange idler assemblies are made to original specifications and produced with high quality seals to lock dirt and debris out and lock the lubrication in for long lasting service for your machine. We guarantee fit.

Please verify your model on the other undercarriage parts as some do not fit the 41-3V series.

Related KX 41-3 Undercarriage