F226831,26831,5/8″ Rotor kit for 2014 to Current Fits for Mr. Heater Heat-Star Heaters 50,000 thru 210,000 BTU Kerosene Models Models:HS50K,HS75KT,MH75KTR,HS125KT,MH125KTR,HS175KT,MH175KTR,HS210KT,MH210KTR and more Includes Rotor ,4 Vanes and Shaft Insert Fits the following models – Current MR. HEATER – MH50KT; MH75KT; MH125KT; MH175KT br Current HEATSTAR – HS50KT; HS75KT; HS125KT; HS175KT br Current ALL PRO – SPC-; SPC-K50; SPC-K100; SPC-K125 br Current SPC-K150; SPC-K175 br Current UNIVERSAL – K50-FA; K75; K100-FAT; K125; K150-FAT; K175