A high quality engine oil, Valvoline Oil 15w40 will surely give an outstanding engine durability as well as fuel efficiency that will not disappoint. This premium engine oil is designed for the excellent lubrication to make it perform as best as it can, especially in modern diesel engines. Suitable for light trucks, off-road vehicles, boats and many more, this Valvoline Oil 15w40 will be the perfect choice for your engine as it can avoid soot buildup and corrosion. Specially formulated to protect your engine from wear, Valvoline Oil 15w40 will also be able to lengthen the lifespan and maintain the quality of your engine.