Exactly what I needed. This 505 601 201 Husqvarna Spark Plug X150 matched part HUS-505601201 and installed without any issues. Everything worked as expected.

505601201 Husqvarna Spark Plug, X150
| Part number: | 505601201 |
|---|---|
| SKU Number: | HUS-505601201 |
| UPC: | 805544528283 |
| Warranty: | 1 Year |
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$51.62
Product Description
Product Features
Husqvarna 505601201 Spark Plug, X150 Repair Part
When a tired part starts to affect results, 505601201 Husqvarna Spark Plug, X150 is a practical replacement that helps restore confidence in your Husqvarna setup. A correctly matched replacement reduces guesswork during installation and helps your equipment run the way it was intended.
Repairing instead of replacing the whole unit is often the most cost-effective path especially when the rest of your equipment is still in great shape. It’s an efficient fix that keeps your machine earning its keep. Verify compatibility first, then enjoy a straightforward swap that helps restore performance and peace of mind.
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Sarah I.
06 Nov, 2025