The Toro 136-7870 Lawn Mower Ignition Coil Assembly helps deliver reliable spark generation for efficient engine starting and smooth mower operation. Designed as a replacement ignition coil assembly, it fits compatible Toro lawn mowers and converts low battery voltage into the high voltage needed to ignite the engine’s fuel-air mixture. It works by transferring electrical energy to th... https://www.wholetoolbox.com/toro-136-7870-lawn-mower-ignition-coil-assembly