Manufacturers
Superior protection guarantee –10 years/300,000 miles. Includes patented Prestone Cor-Guard® technology, our best advancement in cooling system parts protection that protects against rust, corrosion, scale, buildup and clogging of all cooling system components. Ready to Use formula. Perfect for small volume top-off or complete drain and refill of the...
Prestone® Diesel Fuel Treatment purges injector deposits, while helping to prevent new ones from forming. It helps restore diesel engine performance to reduce emissions and unburned, wasted fuel. This product treats up to 35 gallons and is for use at every fill-up.