Ignition coil electric starter lawn tractor lawn mower Briggs Stratton engine Features: Hole spacing (mm): 63.5 Weight: 354 g COMPATIBLE FOR THE FOLLOWING BUILDERS Briggs Stratton MTD 441600 Models 404500, 405700, 406500, 406700, 407500, 407600, 40F700, 441500, 441600, 441700, 445700, 445800, 446700, 446800, 446900, 44H700, 44K700, 44N700, 49M700 Part No: 18270166 Original part number reference: 1002 083 BS-592846 691060