ST44045 Key-Square Replaced by STN-ST80121

ST44045 Key-Square Replaced by STN-ST80121

REPLACED BY:
ST44045 has been replaced by: ST80121
Part number:ST80121
SKU Number:STN-ST80121
Warranty:1 Year

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On Qualifying Orders of $50 or More

$16.08

Stone Toro ST44045 Key-Square Replaced by STN-ST80121 Repair Part

If your machine isn’t running the way it should, replacing a worn component with ST44045 Key-Square Replaced by STN-ST80121 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 helps you keep jobs on schedule without committing to a costly replacement. Double-check your model and fitment details, and you’ll be set for a clean install and dependable operation.

Customer Reviews (2)
5 out of 5
2 reviews
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Share your thoughts
Diane Y.
27 May, 2025

Arrived quickly and installed without any issues. Highly recommend.

Paige N.
16 Oct, 2024

Solid, dependable replacement. The St44045 Key Square Replaced By St80121 feels durable and works exactly as expected.