
【Compatible With】 For Husqvarna 345, 445, 445E, 450, 450E, 340 and series chainsaw. 【Package Includes】 .325" Sprocket (7 Teeth) × 1, Clutch × 1, Worm Gear × 1, Needle Bearing × 1, Clutch Spring × 2, Oil Pump × 1. 【Easy to Install】 The specifications of our replacement parts are exactly the same as the original parts, the replacement work will be quick and effortless. 【Restore Performance】 The brand new high quality clutch drum will be very helpful in restoring the chainsaw to peak performance. 【Part Number 【Part Number】 Sprocket: 578 09 79-01, 503 93 18-01. Clutch: 537 11 05-03.