The Husqvarna 502215701 Clutch Drum Assembly is an authentic OEM replacement part designed for Husqvarna chainsaws. This critical component houses the clutch and sprocket, facilitating power transfer to the chain for optimal cutting performance. Made of durable metal, it includes the clutch drum, needle bearing, and sprocket. Replacing a worn assembly ensures proper chain engagement and prevents slippage. Compatible with Husqvarna 340, 345, 346XP, 350, 351, 353, 445, 450, 450E, 455, 455E, and 460 series chainsaws.