Echo & Shindaiwa Genuine Part P021048140 is used on models PB-580H (P44012001001-P44012999999) Blower-PB-580H (P44211001001-P44211999999) Blower-PB-580H (P44514001001-P44514999999) Blower-PB-580H (P44713001001-P44713999999) Blower-PB-580T (P44112001001-P44112999999) Blower-PB-580T (P44311001001-P44311999999) Blower-PB-580T (P44614001001-P44614999999) Blower-PB-580T (P44813001001-P44813999999) Blower