In this category, you’ll find spark plugs designed for Husqvarna hedge trimmers. A well-maintained spark plug ensures smooth starting and optimal performance during trimming tasks. It’s recommended to replace the spark plug once per season to keep your hedge trimmer running efficiently. Signs that your spark plug needs replacement include hard starts, weak engine performance, or a rough idle. If you’re unsure which spark plug is right for your model, check the product manual or part number. All spark plugs here are compatible with Husqvarna hedge trimmers for reliable ignition.