Electric starter motor lawn tractor lawn mower mower 182700001 3-474 BRIGGS STRATTON 497595 Electric starter motor Adaptable to engines with aluminium or plastic sprocket wheels. 17, 19, 22, 25, 29 horizontal 17, 19, 22, 25, 28, 29, 31, 40, 44 vertical Number of teeth: 16 Part No.: 18270001 3-474 Original part number reference : 394805 490420 494990 497595 795121 Briggs Stratton 170400 , 171400 , 176400 , 190400 , 192400 , 194000 , 195400 , 196000 , 197000 , 198700 , 19E000 , 19F000 , 19G000 , 221400 , 222000 , 226400 , 250400 , 252000 , 253000 , 254000 , 255700 , 256000 , 258700 , 282700 , 283700 , 284700 , 285700 , 286700 , 287700 , 288700 , 289700 , 28A700 , 28B700 , 28C700 , 28D700 , 28M700 , 28N700 , 28P700 , 28Q700 , 28R700 , 28S700 , 28V700 , 312700 , 401500 , 404500 , 405500 , 406600 , 406700 , 407500 , 407600 , 407700 , 40H700 , 441700 , 445000 , 44L700 , 44M700 , 44P700 , 44Q700 housing length 3 5/8" Ref. 497595 394805 392749 693054 390838 31177 494325