Top 10 Best 15w 40 Synthetic Motor Oil

SUPERIOR ENGINE PROTECTION U1P SAE 15W-40 Full synthetic formula reduces wear and extends engine life.. ENHANCED PERFORMANCE Strong shear stability maintains oil viscosity for optimal performance under demanding conditions.. COMBATS DEPOSITS OXIDATION Fights soot, sludge, and oil breakdown for cleaner engines and longer oil life.. FUEL EFFICIENCY Minimizes oil consumption for improved fuel economy in various driving conditions.. BROAD COMPATIBILITY Exceeds API CK-4, API CJ-4, CI-4CI-4, CI-4, and CH-4 standards, suitable for a wide range of diesel engines..

Full synthetic 15W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves low-temperature flow. Exceptional wear protection for longer life in a wide range of heavy-duty engine applications from pickup trucks to tractors to semi rigs. Enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability compared to 15W-40 oils. Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants compared to previous formulation. Increased shear stability for better viscosity control and optimal engine oil pressure. Better cold-cranking properties and low-temperature pumpability for reaching critical engine parts faster. Case of three 1-gallon bottles with ergonomic design for easy handling and pouring. Advanced low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles.

Factory Tested Maximum Protection Engine Oil. Formulated To Reduce Consumption And Engine Wear Due To High Temperature Due To Oil Oxidation And Viscosity Increase. Viscosity Grade SAE 15W-40.. Type Synthetic. Unit Size 32 Ounce. Pack of 2.

Rotella T Triple Protection is exclusive low-ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles. Suitable for virtually all modern low-emission heavy duty engines. The Energized Protection of Shell Rotella heavy duty diesel engine oils provides protection in three critical areas Acid control, deposit control and wear control. It meets or exceeds API CJ-4 requirements, and is designed to provide extra performance. Rotella T Triple Protection performs well in both older and new engines. The performance benefits of the unique combination of dispersants and detergents, boosted by the use of the dual function additive component, are seen in enhanced engine cleanliness and viscosity control compared to previous generation oils.

Synthetic blend 15W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown. Ideal for on-highway fleets, construction, and agricultural machinery, and diesel pickup trucks including high-power vehicles that require resistance to heat and stress. Improves low-temperature flow compared to conventional 15W-40 oils. Helps control engine deposits for reliability at extended oil drain intervals always follow the OEM recommended oil drain interval. Controls engine wear 37 percent better than the maximum wear requirements in API CK-4 engine wear tests. Improved oxidation performance for increased resistance to oil breakdown under high temperatures compared to the previous formulation. Single 1-gallon bottle with ergonomic design for easy handling and pouring.

API CJ-4 APPROVED.

Valvoline Premium Blue Engine oil is The Only One exclusively endorsed and recommended by Cummins. Strong shear stability provides stay-in-grade performance. Outstanding wear protection. Superior deposit protection compared to industry requirements.

Higher oil pressure. Less oil consumption. Affordable Solutions. Country of Origin United States. Fit type Vehicle Specific.

CRP organic, metallic, Moly plating technology for unsurpassed wear protection, oxidation, and high temp stability. Friction modified and VI stabilizer pre-boosted un-rivaled turbo-charger protection will not create deposits and ash on turbo bearings will not fry on the turbo. Contains state-of-the-art dispersal and ash control systems to keep your engine extremely clean. Extreme drain intervals capabilities 25,000-mile drain interval for pickups and 80,000 for class 8 semi-trucks. Eliminates the need to clean diesel particulate filters and is for use in virtually all diesel-powered pickups and heavy-duty trucks, both pre 2007 and post 2007 models fitted with emission control systems.

Conventional 15W-40 diesel engine oil with Triple Protection technology protects against wear, deposits, and oil breakdown. Formulated with advanced additive technology for enhanced deposit control and superior engine cleanliness throughout the oil drain interval. Enhanced protection against oil oxidation for more efficient operation. Increased shear stability for better viscosity control and optimal engine oil pressure. Wear control helps keep moving metal engine surfaces apart for a longer life. Meets or exceeds API CK-4 requirements and is designed to provide extra performance in both older and new engines. 55-gallon drum. Exceptional wear protection for longer life in a wide range of heavy-duty engine applications from diesel pickup trucks to tractors to tractor trailers.

Engine wear protection.. Strong shear stability provides stay-in-grade performance.. Minimizes Oil Consumption.. Enhanced oxidation control.. Resistant to viscosity and thermal breakdown at high temperatures..