It’s on an ‘07 Exmark Lazer Z with about 670 hours. or Best Offer. We have the Kohler Ignition Parts - Modules You need with fast shipping and low prices. Home > Parts by Brand > Kohler … Add to Cart Compare Quick view. Will fit Kohler Engine Models: M8, M10, M12, M14, M16 Replaces: Kohler 4758403s Kohler 4758401 $49.99. Our Genuine Kohler Original Equipment and Aftermarket Kohler parts are priced below our competitions prices and sometimes under the price that they even pay for it. If the ignition coil has a ground wire, also loosen and remove this at the point it attaches to the lawnmower chassis.