Mr. Heater Rotor Kit with Rotor Vanes Nylon Drive for 2003 or Newer Forced Air Kerosene Heaters Fits the following heaters - 2003 models - Current MR. HEATER - MH50KT; MH75KT; MH125KT; MH175KT Fits the following heaters - 2003 models - Current HEATSTAR - HS50KT; HS75KT; HS125KT; HS175KT Fits the following heaters - 2003 models - Current ALL PRO - SPC-; SPC-K50; SPC-K100; SPC-K125; Fits the following heaters - 2003 models - Current SPC-K150; SPC-K175 Fits the following heaters - 2003 models - Current UNIVERSAL - K50-FA; K75; K100-FAT; K125; K150-FAT; K175