Fit for Husqvarna 340 345 Chainsaw PartsReplace OEM for 503873072, 503931801, 503932101, 537154801Package Content: 1 x Clutch Drum1 x Clutch1 x Sprocket1 x Worm Gear1 x Oil Pump1 x Pump Cylinder100% Satisfaction Guarantee: High Lifespan Replacement Parts Accessories quality and durable, 90 days Free return, refund or exchange if you are not completely satisfied (defection, accidental damage, non-satisfaction, etc.) Contact us.Note: Please compare it with your parts before ordering it to see if it can for your original chainsaw.Fits Husqvarna 340 345 Chainsaw PartsReplace OEM for 503873072, 503931801, 503932101, 537154801Package Content: 1 x Clutch Drum1 x Clutch1 x Pinion1 x Worm Gear1 x Oil Pump1 x Cylinder pump