1.OEM service is accepted 2.Good quality with competitive price we have series crankshaft and other parts for chainsaws ST070/038/380/381/360/290/250/230/180,066 Hus 365/372/372XP/61/268/272/484/478/288/345,E4500/5200/3800,P351We also can produce all other chain saw relevant parts with reliable quality and competitive price.customized is welcome. Crankshaft for chain saw chainsaw crankshaft