Echo Original Equipment TUBE, BLOWER - NOZZLE - E165000151 · PB-755SH S/N: P04311001001 - P04311999999-->Blower Tubes · PB-755SH S/N: P04412001001 - P04412999999-->Blower Tubes · PB-755SH S/N: P04513001001 - P04513999999-->Blower Tubes · PB-755SH S/N: P43114001001 - P43114999999-->Blower Tubes · PB-755SH S/N: P53014001001 - P53014999999-->Blower Tubes · PB-755SH S/N: P54013001001 - P54013999999-->Blower Tubes · PB-755ST S/N: P04011001001 - P04011999999-->Blower Tubes · PB-755ST S/N: P04112001001 - P04112999999-->Blower Tubes · PB-755ST S/N: P04213001001 - P04213999999-->Blower Tubes · PB-755ST S/N: P43214001001 - P43214999999-->Blower Tubes This is an OEM Echo part.