Replacement Left & Right Handle Bracket. Replaces OEM # ECHO C405000231 C405000241. Compatible with Echo / Shindaiwa Blower Model PB-580T, PB-755ST. OEM part. PB-580T S/N: P44614001001 - P44614999999-->Throttle Control S/N: P44614001001-P44614003591, PB-580T S/N: P44614001001 - P44614999999-->Throttle Control S/N: P44614003592-P44614039030, PB-580T S/N: P44614001001 - P44614999999-->Throttle Control S/N: P44614039031-P44614123797, PB-580T S/N: P44614001001 - P44614999999-->Throttle Control S/N: P44614123798-P44614221895, PB-580T S/N: P44614001001 - P44614999999-->Throttle Control S/N: P44614221896-P44614999999 PB-580T S/N: P44813001001 - P44813999999-->Throttle Control S/N: P44813001001-P44813001072, PB-580T S/N: P44813001001 - P44813999999-->Throttle Control S/N: P44813001073-P44813001612, PB-580T S/N: P44813001001 - P44813999999-->Throttle Control S/N: P44813001613-P44813002224, PB-580T S/N: P44813001001 - P44813999999-->Throttle Control S/N: P44813002225-P44813002765, PB-580T S/N: P44813001001 - P44813999999-->Throttle Control S/N: P44813002766-P44813999999 PB-580T S/N: P48113001001 - P48113999999-->Throttle Control - Tube Mount, PB-580T S/N: P48414001001 - P48414999999-->Throttle Control - Tube Mount, PB-580T S/N: P55515001001 - P55515999999-->Throttle Control - Tube Mount, PB-755ST S/N: P04011001001 - P04011999999-->Throttle Control, PB-755ST S/N: P04112001001 - P04112999999-->Throttle Control, PB-755ST S/N: P04213001001 - P04213999999-->Throttle Control, PB-755ST S/N: P43214001001 - P43214999999-->Throttle Control Left & Right Handle Bracket C405000231 C405000241 Compatible with Echo / Shindaiwa Blower Model PB-580T, PB-755ST. OEM