Great experience overall. The St38905 Nut Clutch Replaced By St42640 solved the problem right away and minimized downtime.

ST38905 Nut-Clutch Replaced by STN-ST42640
| Part number: | ST42640 |
|---|---|
| SKU Number: | STN-ST42640 |
| Warranty: | 1 Year |
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.
Product Description
Product Features
Stone Toro ST38905 Nut-Clutch Replaced by STN-ST42640 Repair Part
When a tired part starts to affect results, ST38905 Nut-Clutch Replaced by STN-ST42640 is a practical replacement that helps restore confidence in your equipment. A correctly matched replacement reduces guesswork during installation and helps your machine run as intended.
Small parts make a big difference; a proper replacement helps you get full value from the machine you already own. It’s a simple way to keep maintenance costs predictable while protecting your investment. Confirm compatibility with your model before ordering, then install with standard tools and get back to work with confidence.
Customer Reviews (2)
5 stars
100%
4 stars
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3 stars
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2 stars
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1 stars
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Easy to use
Durability
Value for money
Share your thoughts
Matt M.
02 Jun, 2025Heather W.
17 Apr, 2025Worked exactly as advertised.
