For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual. | Better fuel economy - compared to 15W-40 oils Rotella offers enhanced fuel economy capability of 1.5% without compromising engine protection or durability | Improved wear performance - provides a significantly increased level of protection against harmful engine wear when compared to previous generation API CJ-4 engine oils | Improved deposit control - advanced multi-functional dispersant additives in combination with synthetic base oils provide an enhanced level of protection against the effects of soot, dirt and other contaminants | Emissions system compatibility - advanced low-ash formulation helps control blocking of or poisoning of exhaust after-treatment devices, helping maintain vehicle emission compliance and engine fuel efficiency | Improved heat resistance - resists breakdown by heat to provide continuous protection throughout the service interval

For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual | Provides 1. 5% improved fuel economy performance compared to SAE 15W-40 oils | Triple Protection Plus formula combines fully synthetic base oils with advanced additives for excellent equipment protection and long engine life | Formulated with additive technology that protects against the effects of soot, dirt and other contaminants | Engineered with shear stability to resist viscosity loss and maintain optimal engine oil pressure

For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual. | Provides 1. 5% improved fuel economy performance compared to SAE 15W-40 oils | Triple Protection Plus formula combines fully synthetic base oils with advanced additives for excellent equipment protection and long engine life | Formulated with additive technology that protects against the effects of soot, dirt and other contaminants | Engineered with shear stability to resist viscosity loss and maintain optimal engine oil pressure | Suitable for diesel-powered vehicles from tractor/trailers to classic cars and heavy-duty diesel pickups that allow an SAE 5W-40 | Part Number: 550045347-3PK