NEW HEATER PLUG/GLOW PLUG/THERMOSTART PLUG FOR YANMAR FITS YANMAR MODELS; YM135,140,147,155,165,169,186,187,220,226,250,276,336,1100,1300,1401,1500,1600,1601,1610,1700,1900, 2000,2210,2500,2610,3000,3110,3810,4300,4500. OEM NUMBER 124450-77910