This is a genuine ECHO / Shindaiwa A556000543 Clutch Drum
Fits:
CS-310 S/N: C32914001001 - C32914999999-->Clutch
CS-310 S/N: C33014001001 - C33014999999-->Clutch
CS-310 S/N: C33113001001 - C33113999999-->Clutch
CS-352 S/N: C33314001001 - C33314999999-->Clutch
CS-353ES S/N: C31926001001-C31926999999-->Chain Brake
