HIPA Ignition Coil Module with Spark Plug for Husqvarna 50 51 55 254 257 261 262 XP 61 266 268 272 272XP Chainsaw Replacement manufacturer part number: 503 90 14-01 Fitment models: Husqvarna 50 51 55 254 257 261 262XP 61 266 268 272 272XP chainsaw Notice: it will not fit 254XP 262XP 266XP and 268XP chainsaw Please compare it carefully with your old coil carefully