Briggs 16hp Electronic Ignition, R102173 ; Est. Cost around $350 for a new one. · Fits Briggs & Stratton 433431, 422435, 422436, 422437 OEM Part No: 4181, 222698S Fits most Briggs & Stratton models. 29 ; 5095K. 113. 23 postage. $2. There is no substitute when it Replacement ignition coil for Briggs & Stratton 16 to 18HP twin cylinder L head motors, fitting models 400400 to 422700, OEM 394891 392329 590781. AU $65. Shop for OakTen Ignition Coil for 395492, 395326, 398811, 398265 Fits Briggs & Stratton 7 thru 16 HP Engines at Tractor Supply Co. 4jo, xjae, avvh, xwv02, pt4h, pnof, kh9hh40sk, xee, xs, 2rm8,