Best 10 Diesel Motor Oils of 2023

Maintains Fuel Economy Without Sacrificing Engine Durability.

Superior Cold Weather Startability And Operating Characteristics.

Oil Strength: Withstands Higher Heat Range Than Conventional Oils.

Keep-Clean Performance: Superior Soot Busting, Deposit-Dispersing Capability.

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

Case of three 1-gallon bottles with ergonomic design for easy handling and pouring

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

“The Only One“ endorsed and recommended by Cummins

Superior synthetic base stocks provide faster, safe starts during freezing weather and enhanced thermal properties for hot weather operations

Outstanding oxidation resistance supports long oil life in heavy duty engines

Superior wear protection for hardworking heavy-duty trucks and equipment

Full synthetic 5W-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

Single 1-gallon bottle 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

7 Quarts of Oil

Oil Type: Synthetic

Viscosity Grade: SAE 0W-20

Quantity: 7 bottles

OEM Approvals: GM dexosD

Fit type: Vehicle Specific

Mobil 1 Turbo Diesel Truck Is Designed For Modern Diesel Truck Engines, Delivering Long Drain Capability, Exceptional Performance, And Potential Fuel Economy Benefits

Meets Or Exceeds The Demanding Specifications Of Major Truck Manufacturers - One Engine Oil Can Be Used For Mixed Fleet Operations

Recommended For Use In All Super High-Performance Diesel Applications, Including Low Emission Engines

Helps Engines Last Longer By Reducing Low-Temperature Sludge Buildup And High-Temperature Deposits

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

Case of three 1-gallon bottles with ergonomic design for easy handling and pouring

Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from diesel pickup trucks to tractors to tractor trailers

Protects under the most severe engine conditions found in modern low-emission engines and older hard working diesel engines

Exceptional wear protection for longer engine life

Superior engine cleanliness for a cleaner engine throughout oil drain interval

Enhanced protection against oxidation for more efficient operation

Increased shear stability for better viscosity control and optimal oil pressure

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