ST39388 Pinion

ST39388 Pinion

Part number:ST39388
SKU Number:STN-ST39388
Warranty:1 Year
Fits Models:View Models List

Discontinued

There is no available substitute by the factory. This part is no longer supported. Sorry, we cannot help.
There is no known alternate available. We have no part available to offer you as a replacement.

Stone Toro ST39388 Pinion Repair Part

If your machine isn’t running the way it should, replacing a worn component with ST39388 Pinion can help bring performance back quickly. This type of targeted repair is a smart way to maintain reliability without overhauling the entire unit.


A focused replacement can save money, reduce waste, and extend the service life of your equipment. It’s a simple way to keep maintenance costs predictable while protecting your investment. Double-check your model and fitment details, and you’ll be set for a clean install and dependable operation.

Fits Models

This part fits 2 models:

Stone XN650R 2-Cycle Pre-MIx Stomper Compactor Parts

Stone XN650R 2-Cycle Pre-MIx Stomper Compactor Parts

View Model
Stone XN650ROI 2-Cycle Oil-Inj Stomper Compactor Parts

Stone XN650ROI 2-Cycle Oil-Inj Stomper Compactor Parts

View Model
Customer Reviews (2)
5 out of 5
2 reviews
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Share your thoughts
Gloria Q.
27 Apr, 2025

Thanks for getting it right the first time.

Mark A.
29 Sep, 2024

Exactly what I needed. This St39388 Pinion matched part STN-ST39388 and installed without any issues. Everything works great now.