Mobil Delvac Extreme FE Motor Oil

Mobil Delvac Extreme FE motor oil is a synthetic, high-performance diesel engine oil that helps extend engine life while providing long drain capability for modern diesel engines operating in the toughest conditions. It meets or exceeds the new API FA-4 specification for fuel-efficient engine oils, as well as key original equipment manufacturer (OEM) requirements. Developed in close collaboration with major manufacturers, Mobil Delvac Extreme FE motor oil is recommended for use in the extreme applications and operating conditions found in the on-road trucking industry. This oil should only be used where an API FA-4 oil is recommended by the vehicle manufacturer. Before using this product in an engine, users should consult recommendations as shown in the owner's manual or other service bulletins. Its formulation provides: * Potential to improve fuel economy * Exceptional oxidation stability * Excellent soot and viscosity control Show Less