Top 10 Best 15w40 Diesel Oil

of November 2024
1
Best ChoiceBest Choice
Ultra1Plus SAE 15W-40 Full Synthetic Heavy-Duty Motor Oil, API CK-4/SN - Diesel
ULTRA 1PLUS
ULTRA 1PLUS
10
Exceptional
View on Amazon
2
Best ValueBest Value
Ultra1Plus SAE 15W-40 Synthetic Blend Heavy-Duty Motor Oil API CK-4/SN - 1 Quart
ULTRA 1PLUS
ULTRA 1PLUS
9.9
Exceptional
View on Amazon
3
Ultra1Plus SAE 15W-40 Conventional Heavy-Duty Motor Oil, API CI-4/SL
ULTRA 1PLUS
ULTRA 1PLUS
9.8
Exceptional
View on Amazon
4
Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil
Shell Rotella
Shell Rotella
9.7
Exceptional
View on Amazon
5
Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)
Shell Rotella
Shell Rotella
9.6
Exceptional
View on Amazon
6
Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Case of 3)
Shell Rotella
Shell Rotella
9.5
Excellent
View on Amazon
7
Ford Genuine XO-15W40-5QSD SAE 15W-40 Super Duty Diesel Motor Oil - 5 Quart Jug
Ford
Ford
9.4
Excellent
View on Amazon
8
Schaeffer Manufacturing Co. 0700CK4-006S SynShield Durability Advantage 15W-40
SmartyKat
SmartyKat
9.3
Excellent
View on Amazon
9
Lucas Oil SAE 15W-40 MAGNUM CK-4 DIESEL OIL,1 GAL (10287)
Lucas Oil
Lucas Oil
9.2
Excellent
View on Amazon
10
Mobil 1 112786 Delvac 1300 Super 15W-40 Diesel Engine Oil - 4 Gallon Pack
Mobil 1
Mobil 1
9.1
Excellent
View on Amazon
11
Valvoline All Terrain 15W-40 Heavy Duty Diesel Engine Oil 1 GA
Valvoline
Valvoline
9.0
Excellent
View on Amazon
12
Royal Purple 04154 15W40 Oil, 1 Gallon (128 Ounces)
Royal Purple
Royal Purple
8.9
Very Good
View on Amazon
13
Valvoline All Terrain 15W-40 Heavy Duty Diesel Engine Oil 1 GA, Case of 3
Valvoline
Valvoline
8.8
Very Good
View on Amazon

About 15w40 Diesel Oil

Click here to learn more about these products.

Ultra1Plus SAE 15W-40 Full Synthetic Heavy-Duty Motor Oil, API CK-4/SN - Diesel Engine 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..

Ultra1Plus SAE 15W-40 Synthetic Blend Heavy-Duty Motor Oil API CK-4/SN - 1 Quart

ADVANCED 15W-40 SYNTHETIC BLEND OIL Protects modern older diesel engines API CK-4SN.. EXTENDS ENGINE LIFE Reduces wear controls soot build-up for long engine life.. EXCEPTIONAL PERFORMANCE Excellent oxidation stability viscosity control in extreme conditions.. IMPROVED FUEL ECONOMY Enhanced oil efficiency allows for extended drain intervals.. COLD WEATHER STARTS Formulated for smooth starting and pumpability in very cold temperatures..

Ultra1Plus SAE 15W-40 Conventional Heavy-Duty Motor Oil, API CI-4/SL

Cleans and extends engine life.. Provides fluidity during cold starts.. Reduces engine wear and excessive oil and fuel consumption.. Reduces the accumulation of sludge and the formation of deposits generated at high temperatures.. High resistance to oxidation allows longer cycle between oil change..

Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Single Pack)

For best performance, follow the manufacturer's recommendations in your vehicle owners manual.. Formulated for enhanced deposit protection to help keep engines cleaner over the oil drain interval. Exclusive low ash formulation helps protect the exhaust catalysts and particulates filters found on the latest low emission vehicles. Meets or exceeds API CJ-4 requirements, and is designed to provide extra performance Shell Rotella T4 performs well in both older and new engines. Enhanced shear stability performance for viscosity control and optimal oil pressure in your engine.

Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)

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.

Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Case of 3)

For best performance, follow the manufacturer's recommendations in your vehicle owners manual.. Triple Protection Plus technology protects against wear, deposits and oil breakdown plus provides better low temperature flow compared to SAE 15W-40 oils. Helps control engine deposits for reliability at extended oil drain intervals. Formulated to control engine wear, 37 better than the maximum wear requirements in API CK-4 engine wear tests. Heavy duty engine oil formulated with synthetic base oil components. Delivers improved oxidation performance for increased resistance to breakdown under high temperatures compared to the previous formulation.

Ford Genuine XO-15W40-5QSD SAE 15W-40 Super Duty Diesel Motor Oil - 5 Quart Jug

High-quality diesel engine oil formulated with premium hydro processed base oils and unique additive technology. Package Dimensions 11.176 L x 28.447 H x 23.114 W centimeters. Package Weight 4.263 kilograms. Country of Origin United States.

Schaeffer Manufacturing Co. 0700CK4-006S SynShield Durability Advantage 15W-40 Diesel Engine Oil, 1-Gallon Bottle

Excellent wear protection during severe operating conditions. Oil durability strong oxidation and viscosity control with less oil consumption. Better contamination control with superior soot-busting, deposit-dispersing capability. Strong stay-in-grade performance throughout the life of the oil. Friction modified with micron moly and penetrate.

Lucas Oil SAE 15W-40 MAGNUM CK-4 DIESEL OIL,1 GAL (10287)

Fit type Universal Fit. Package Dimensions 30.3 H x 9.0 L x 21.4 W centimetres. Package Weight 3.517 kilograms. Country of Origin United States.

Mobil 1 112786 Delvac 1300 Super 15W-40 Diesel Engine Oil - 4 Gallon Pack

Size 1 Gallon. Type 15w - 40. For usediesel engines requiring 15w-40 engine oil referbottle for specifications. Extends engine life with its unique additive system.

Valvoline All Terrain 15W-40 Heavy Duty Diesel Engine Oil 1 GA

EXCELLENT WEAR PROTECTION IN HEAVY DUTY APPLICATIONS that can take a toll on critical internal moving parts. RESISTS OXIDATION AND FIGHTS DEPOSITS with high quality base oils and special inhibitors. DESIGNED TO PROTECT HEAVY DUTY DIESEL ENGINES under extreme load regimes and severe idle time. PROTECTS IN HARSH ENVIORNMENTS experienced in construction, mining, agriculture more.

Royal Purple 04154 15W40 Oil, 1 Gallon (128 Ounces)

Better wear protection. Increased fuel efficiency. Better protection of the expensive catalytic emission system. Improved compatibility with fuels containing ethanol. Superior corrosion protection. Fit type Universal Fit.

Valvoline All Terrain 15W-40 Heavy Duty Diesel Engine Oil 1 GA, Case of 3

EXCELLENT WEAR PROTECTION IN HEAVY DUTY APPLICATIONS that can take a toll on critical internal moving parts. RESISTS OXIDATION AND FIGHTS DEPOSITS with high quality base oils and special inhibitors. DESIGNED TO PROTECT HEAVY DUTY DIESEL ENGINES under extreme load regimes and severe idle time. PROTECTS IN HARSH ENVIORNMENTS experienced in construction, mining, agriculture more.
Disclaimer