The Best Synthetic 15W 40 of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Synthetic 15W 40 of 2022. Check our ranking below.
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- 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
- 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
- Mobil 1 advanced full synthetic motor oil 15W-50 helps to protect your engine from the five factors that can damage engines over time
- Helps to protect critical engine parts for up to 10,000 miles between oil changes*, controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
- Provides low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean
- Helps extend engine life by working to prevent damaging deposits and sludge buildup
- Provides excellent internal engine heat protection (up to 500 degrees F) and low temperatures (to -40 degrees F)
- ✅ 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.
- Synthetic SAE 15W-40 CK-4 Truck Oil/6x1/Quart
- Synthetic SAE 15W-40 CK-4 Truck Oil/6x1/Quart
- Synthetic SAE 15W-40 CK-4 Truck Oil/6x1/Quart
- Synthetic SAE 15W-40 CK-4 Truck Oil/6x1/Quart
- Synthetic SAE 15W-40 CK-4 Truck Oil/6x1/Quart
- EXCELLENT WEAR PROTECTION IN HEAVY DUTY APPLICATIONS that can take a toll on critical internal moving parts
- RESISTS OXIDATION AND FIGHTS DEPOSITS & SLUDGE with higher quality synthetic base oils and special inhibitors
- PROTECTS DURING COLD START UPS WHILE CONTROLING SOOT as heavy-duty equipment can sit idle for extended periods of time
- ADVANCED FUEL ECONOMY up to 1.5% over 15W-40 conventional oils in on-highway operations
- UNIQUE 5,000 MILES OIL DRAINS EXTENSION in Cummins X15/X12 engines when average is 7mpg or higher
- 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
- 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
- Advanced Protection: Ultra1Plus SAE 15W-40 Full Synthetic Heavy-Duty Motor Oil provides enhanced protection against oil oxidation, viscosity loss due to shear, and oil aeration, as well as protection against catalyst poisoning, particulate filter blocking, engine wear, piston deposits, degradation of low- and high-temperature properties, and soot-related viscosity increase.
- Superior Performance: This motor oil is formulated with synthetic base oils and a premium additive package to exceed the performance criteria of API CK-4, CJ-4, CI-4 with CI-4 PLUS, CI-4, and CH-4. It can effectively lubricate engines calling for those API Service Categories.
- Stay-in-Grade Performance: The strong shear stability of Ultra1Plus SAE 15W-40 Full Synthetic Heavy-Duty Motor Oil provides stay-in-grade performance, ensuring the oil maintains its viscosity and protects the engine against thermal breakdown at high temperatures.
- Reduced Oil Consumption: Full synthetic motor oil minimizes oil consumption in all types of driving conditions, helping to reduce the need for frequent oil top-ups and changes.
- Versatile Use: This oil is designed for use in high-speed four-stroke cycle diesel engines designed to meet 2020 model year on-highway and Tier 4 non-road exhaust emission standards as well as for previous model year diesel engines. It is especially effective at sustaining emission control system durability where particulate filters and other advanced after-treatment systems are used.
- Better wear protection
- Increased fuel efficiency
- Better protection of the expensive catalytic emission system
- Improved compatibility with fuels containing ethanol
Last update on 2024-01-20 / Affiliate links / Images from Amazon Product Advertising API
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- Brand Value: Every brand of Synthetic 15W 40 has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an Synthetic 15W 40?
- Specifications: How powerful they are can be measured.
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- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Synthetic 15W 40.
- Product Quality: You don’t always get what you pay for with an Synthetic 15W 40, sometimes less, and sometimes more.
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