Fuel Additive

Make adding Fuel Additive to your 4BT 3.9L Diesel a routine during every fill-up. Additives are specially formulated to provide your vehicle with the ability to clean and maintain the components in your engine and fuel system, reduce smoke, and improve engine performance. In addition to lubricity and cetane enhancers, some additives are designed specifically for cold weather to protect fuel and reduce fuel gelling. Find the additives you need in your vehicle from the top brands like FPPF, Hot Shot's Secret, Lucas Oil, XDP, and more!