0423984HUS Husqvarna KEY .375 Sq x 4

0423984HUS Husqvarna KEY .375 Sq x 4

Part number:501943HUS
SKU Number:501943HUS
UPC:805544112413
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.

Husqvarna 0423984HUS KEY .375 Sq x 4 Repair Part

When a tired part starts to affect results, 0423984HUS Husqvarna KEY .375 Sq x 4 is a practical replacement that helps restore confidence in your Husqvarna setup. Swapping the failing component early can help protect nearby parts and keep overall performance steady.


When time matters, having the correct replacement on hand makes maintenance faster and helps avoid unexpected downtime. It’s a sensible upgrade in reliability when your equipment needs a refresh. Double-check your model and compatibility details, and you’ll be set for a clean install and dependable operation.

Fits Models

This part fits 4 models:

Pro 65 III Basic Target Concrete Saw Parts

Pro 65 III Basic Target Concrete Saw Parts

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Pro 65 II Target Concrete Saw Parts

Pro 65 II Target Concrete Saw Parts

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Pro 65 III Premium Target Concrete Saw Parts

Pro 65 III Premium Target Concrete Saw Parts

View Model
Pro 40 III Target Concrete Saw Parts

Pro 40 III Target Concrete Saw Parts

View Model