Top 9 5W-40 Synthetic Oil – Motor Oils

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1. Shell Rotella T


Case of 3, Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil 1-Gallon

Shell Rotella T #ad - Provides 1. Triple protection plus formula combines fully synthetic base oils with advanced additives for excellent equipment protection and long engine life. 5% improved fuel economy performance compared to SAE 15W-40 oils. Engineered with shear stability to resist viscosity loss and maintain optimal engine oil pressure. Formulated with additive technology that protects against the effects of soot, dirt and other contaminants. Suitable for diesel-powered vehicles from tractor/trailers to classic cars and heavy-duty diesel pickups that allow an SAE 5W-40 .
BrandShell Rotella T #ad
ManufacturerRotella #ad
Part Number550045347-3PK
Warranty1 year limited

2. Castrol


6 Pack, 1 Quart, Castrol 06249 Edge 5W-40 Advanced Full Synthetic Motor Oil

Castrol #ad - Meets bmw longlife 01, porsche a40, mercedes benz 229. 1 and 229. 3, volkswagen 505. 00 and 502. 00 Superior performance against deposits, wear and oxidation. Exceeds api sl, acea b3, acea a3, acEA B4. Superior engine protection versus conventional and synthetic blend oils. 42 percent better rating on fighting power robbing deposits.
BrandCastrol #ad
ManufacturerCastrol #ad
Height8 Inches
Length9.2 Inches
Weight12.1 Pounds
Width9.1 Inches
Part Number06249

3. Amazon Basics


1 Quart, AmazonBasics Full Synthetic Motor Oil, 6 Pack, Euro Formula 5W-40

Amazon Basics #ad - High resistance to viscosity and thermal breakdown. Helps reduce exhaust emissions. For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual. Helps prevent build up that can cause rust and corrosion. Formulated for longer drain intervals. Reduces friction for less engine wear.
BrandAmazon Basics #ad
ManufacturerAmazonBasics #ad
Height9 Inches
Length4.38 Inches
Weight2.03 Pounds
Width2.38 Inches
Part NumberAM0654P6
Warranty60 Day Customer Satisfaction

4. Royal Purple


Royal Purple 06540 API-Licensed SAE 5W-40 High Performance Synthetic Motor Oil, 1 Quart Pack of 6

Royal Purple #ad - Increased protection against LSPI. Better wear protection. Superior corrosion protection. Improved compatibility with fuels containing ethanol. Better protection for vehicle exhaust emissions equipment. Increased fuel efficiency.
BrandRoyal Purple #ad
ManufacturerRoyal Purple #ad
Height8.75 Inches
Length4.25 Inches
Weight2 Pounds
Width1.75 Inches
Part Number06540

5. Mobil 1


1 Gallon Pack of 3, Mobil 1 122260 5W-40 Turbo Diesel Synthetic Motor Oil

Mobil 1 #ad - Excellent high- and low-temperature performance; Pours at temperatures as low as -53 degree Fahrenheit and protects at oil temperatures as high as 400 degree Fahrenheit. Exceptional resistance to high-temperature varnish and low-temperature sludge deposits to help keep engines clean. Wide viscosity range provides outstanding protection consistent with an SAE 40 grade oil at high temperatures, combined with the easy cold-start performance of a 5W rated oil. Improved protection against sludge and harmful deposits; Excellent fuel economy benefits. Outstanding wear protection.
BrandMobil 1 #ad
ManufacturerMobil 1 #ad
Part Number120782-3PK

6. Valvoline


1qt Case of 6 VV966-6PK, Valvoline 5W-40 MST SynPower Full Synthetic Motor Oil

Valvoline #ad - Extra detergents fight sludge and deposits that reduce engine life. American Owned and Operated. Extra wear protection designed to keep engine parts like new. Full synthetic formula for exceptional high and low temperature protection.
BrandValvoline #ad
ManufacturerValvoline #ad
Height9.25 Inches
Length13.13 Inches
Weight11.5 Pounds
Width5.75 Inches
Part NumberVV966

7. Valvoline


Valvoline, 774038 Premium Blue Extreme SAE 5W-40 Full Synthetic Engine Oil 1 GA, Case of 3

Valvoline #ad - The only one“ endorsed and recommended by Cummins. Superior wear protection for hardworking heavy-duty trucks and equipment. 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.
BrandValvoline #ad
ManufacturerValvoline #ad
Height11.44 Inches
Length14.5 Inches
Width9.13 Inches
Part Number774038

8. Motul


5 Liter Jug, Motul MTL102870 007250 8100 X-cess 5W-40 Synthetic Gasoline and Diesel Engine Oil

Motul #ad - Better aerodynamic performance. All wiring for the headlights was preassembled for essential plug and play application, halo rim wires need to connect and do some simple wiring connection. One of the most popular and trusted synthetic oils.
BrandMotul #ad
ManufacturerMOTUL USA #ad
Height7.52 Inches
Length6.61 Inches
Weight8.82 Pounds
Width11.38 Inches
Part Number102870
WarrantyCheck with Motul

9. Pennzoil


Platinum Euro Full Synthetic 5W-40 Motor Oil, Pack of 6, 1 Quart

Pennzoil #ad - A dirty engine. Unsurpassed wear protection. Cleaner pistons: Nothing keeps your engine closer to factory clean. For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual. Better fuel economy: drive on average an extra 550 miles per year vs. Extreme temperature Performance: Provides faster low temperature oil flow and protects in extreme heat. Horsepower protection: Helps protect engines from loss of power.
BrandPennzoil #ad
ManufacturerPennzoil #ad
Part Number550051120-6PK
WarrantyVisit manufacturer's website for details