Husqvarna chainsaw owners - if your saw isn't starting or running rough, this ignition coil kit might be your solution! This complete set includes the ignition coil, spark plug, AND fuel filter - everything you need for a tune-up in one package. It fits a ton of Husqvarna models including the 50, 51, 55, 254, 257, 261, 262XP, 61, 266, 268, and 272XP. Important note: it does NOT fit the 254XP, 262XP, 266XP, or 268XP models, so double-check your specific model before ordering. The kit replaces part numbers 503 90 14-01, 544018401, and 503 62 02-03. Installation is pretty straightforward if you're comfortable with basic small engine repair - just make sure to compare the new coil with your original to ensure proper fit before installing. The included spark plug and fuel filter are quality components that will help your saw run smoothly and efficiently. Whether you're a professional logger or a homeowner maintaining your property, having a reliable ignition system is crucial for performance. We stand behind this product with a 90-day satisfaction guarantee - if you have any issues with defects, accidental damage, or just aren't happy with it, we'll make it right with a return, refund, or free exchange. Just contact us with any problems. Keep your Husqvarna running strong with this affordable replacement kit that delivers OEM-quality performance without the dealership price tag.