Why Dexos™ Certified Oils Matter for GM Vehicles
When it comes to engine protection, not all oils are created equal. General Motors developed the Dexos™ certification to ensure that every oil used in their vehicles meets specific performance and durability standards.
What Is Dexos™?
Dexos™ is a proprietary certification system created by GM engineers to guarantee that engine oils can handle the demands of modern engines — including turbocharged and direct-injected designs. Oils with the Dexos™ label undergo rigorous testing to prove their ability to maintain cleanliness, reduce wear, and improve efficiency.
Benefits of Using Dexos™ Certified Oils
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Enhanced Protection: Dexos™ oils reduce sludge buildup and engine wear, extending the life of your vehicle.
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Fuel Efficiency: Formulated for low friction and smoother operation, they help maximize fuel economy.
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Emissions Control: Cleaner-burning oils mean lower emissions and longer-lasting catalytic converters.
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Warranty Compliance: Using non-Dexos™ oils can void warranty coverage on GM vehicles — an expensive mistake.
Dexos1™ vs Dexos2™
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Dexos1™ Gen 3 is designed for gasoline engines, providing high-temperature stability and deposit control.
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Dexos2™ is formulated for diesel engines, offering stronger resistance against soot and oxidation.
Trusted by Professionals
At PD Oils, we carry a wide range of Dexos™ certified products that meet or exceed GM’s requirements. Whether you’re maintaining a personal car or managing a fleet, choosing the right certified oil ensures maximum performance and peace of mind.