Echo Original Equipment REAR HANDLE ASSY (CS-370/400) - P021016453 This REAR HANDLE ASSY (CS-370/400) is used here; · CS-370 S/N: C06212001001 - C06212999999-->Handles, Throttle Control · CS-370 S/N: C08011001001 - C08011999999-->Handles, Throttle Control · CS-370 S/N: C09913001001 - C09913999999-->Handles, Throttle Control · CS-370 S/N: C33514001001 - C33514999999-->Handles, Throttle Control · CS-370 S/N: C33714001001 - C33714999999-->Handles, Throttle Control · CS-370 S/N: C69515001001 - C69515999999-->Handles, Throttle Control · CS-370F S/N: C27611001001 - C27611999999-->Handles, Throttle Control · CS-370F S/N: C27713001001 - C27713999999-->Handles, Throttle Control · CS-370F S/N: C33614001001 - C33614999999-->Handles, Throttle Control · CS-370F SN C27512001001 - C27512999999-->Handles, Throttle Control · CS-370F SN C27611001001 - C27611999999-->Handles, Throttle Control · CS-400 S/N: C10013001001 - C10013999999-->Handles, Throttle Control · CS-400 S/N: C08111019801 - C08111999999-->Handles, Throttle Control · CS-400 S/N: C09212001001 - C09212999999-->Handles, Throttle Control · CS-400 S/N: C10013001001 - C10013999999-->Handles, Throttle Control · CS-400 S/N: C33714001001 - C33714999999-->Handles, Throttle Control · CS-400 S/N: C69715001001 - C69715999999-->Handles, Throttle Control · CS-400F S/N: C33814001001 - C33814999999-->Handles, Throttle Control · CS-400F S/N: C69815001001 - C69815999999-->Handles, Throttle Control · CS-400F SN C27812001001 - C27812999999-->Handles, Throttle Control · CS-400F SN C27911001001 - C27911999999-->Handles, Throttle Control · CS-400F SN C28013001001 - C28013999999-->Handles, Throttle Control This is an OEM Echo part.