325" 7T clutch drum pinion for Husqvarna 340, 345, and 350 chainsaws with worm gear. Replaces 578097901 and 503931801.

For Husqvarna chainsaws 340, 345, 350, 445 and 450. The clutch drum replaces part number 578097901, the worm gear replaces part number 503931801, and the sprocket ring replaces part number 0000 642 1236. Teeth: 7T, pitch: 8.25 mm. Please ensure you have the correct part before ordering. You will receive 1 x clutch drum, 1 x sprocket ring, 1 x worm gear, 1 x needle bearing, and 1 x spark plug. Feel free to contact us before or after your purchase. Our friendly and helpful team is always available. The worm gear replaces part number 503931801, and the sprocket ring replaces part number 0000 642 1236. Number of teeth: 7T, pitch: 0.325". Please make sure you know exactly what you need before ordering. Chainsaw tools Piston and cylinder Clutch sprocket Air filter Carburetor repair kit Ignition coil repair kit Air filter for STIHL Fuel pump