A-b1843860-ai Coil-ignition

843860, B1843860, A-B1843860-AI. A failing coil can cause hard starts, misfires, loss of power, or a no-start condition. Fits Briggs & Fits Stratton Vanguard Big Block V-Twin Series: Air-cooled, four-stroke V-twin OHV engines in the 25-37 gross HP range, including horizontal shaft models (25-35 HP) and vertical shaft models (28-36 HP).