For Husqvarna 340 345 350 Chainsaw
Replace Part No. for 503875701, 503 87 57 01, 578097901, 578 09 79 01, 503 93 18-01, 503 93 21-01, 537 15 48-01
Include: 1 x Oil Guide Bar Plate, 1 x Oii Pump Piston, 1 x Worm Gear, 1 x .325" 7T Clutch Drum, 1 x Needle Bearing