HiKOKI 6685144 Clutch Housing Comp for compatible Hitachi and HiKOKI petrol chainsaws. This replacement clutch housing forms part of the clutch and drive assembly and is suitable for replacing a worn, damaged or faulty original component. Manufactured to the correct specifications for precise fit and reliable operation. Part 6685144 replaces previous part numbers 310-32710-20, 6695996 and 6689013.