The most current dexos1™ specification (dexos1™ Gen 2) was released in 2015 to provide even higher engine performance and protection, particularly low speed pre-ignition (LSPI) protection in small displacement turbocharged engines. dexos1™ Gen 2 is the best option for your GM spark-ignited gasoline engine regardless of make, model or year.
The dexos® specification and trademark are exclusive to General Motors, LLC. The Center for Quality Assurance administers the dexos® licensing program for GM, and also publishes and monitors licensed dexos® products to assist consumers in making informed decisions when purchasing engine oil to service their vehicle.
To view the list of officially-licensed dexos® brands, visit https://www.centerforqa.com/
© 2015 All rights reserved. This site is operated by the Center for Quality Assurance, Midland, MI.
© 2015 General Motors, LLC. All Rights Reserved. GM, dexos, dexos1, dexos2 and the associated logos are registered trademarks of General Motors, LLC.
To better protect your vehicle, it is important to use a licensed dexos® oil. “GM has found that using substandard oil can affect engine performance and, in the worst-case scenario, may damage or harm the engine”, according to General Motors Center for Quality Assurance.
GM’s latest dexos® specification, dexos1™ Gen2, requires higher levels of performance and protection for all engines, especially those equipped with turbochargers and gasoline direct injection (GDI).
Valvoline™ has products that meet GM’s high performance specification. These oils provide enhanced protection from wear, oxidation, deposits and sludge.
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