Schaeffer's 139A Soy Shield All Season Diesel Fuel Additive 16 oz

Looking for a diesel fuel additive that will boost your cetane number, improve your drivability, and help you save on fuel costs? Look no further than Schaeffer's 139A Soy Shield All Season Diesel Fuel Additive. This powerful additive can raise your cetane number by up to 4 points, making it easier to start your engine in cold weather and reducing misfires at lower air temperatures. It also optimizes performance and fuel efficiency by up to 5%, giving you a smoother ride and better idling. Plus, it helps clean and control deposits, gums, and varnish to restore and maintain optimal performance. And if that wasn't enough, it also lowers the fuel's gelling point and inhibits oxidation