The dexos® trademark represents high-quality, robust oil formulated to some of the most rigorous specifications in the industry. GM wants to ensure that every GM vehicle worldwide has access to …

Please note: GM dexos 1 Gen 3 engine oils exceed the performance of GM dexos 1 Gen 2 engine oils and are backward compatible, therefore vehicles that previously used GM dexos 1 or GM dexos 1 …

Please note: GM dexos R engine oils meet or exceed the performance of GM dexos 2 and GM dexos 1 Gen 2 and Gen 3 oils and are backward compatible, therefore vehicles equipped with gasoline …

Only licensed dexos ® products have been certified by GM to meet the dexos ® specification. Unlicensed products have not gone through GM's rigorous testing process, are not monitored for …

Please note: GM dexos D engine oils meet or exceed the performance of GM dexos 2 engine oils and are backward compatible, therefore vehicles equipped with diesel engines that previously used GM …

Please note: GM dexos2 has been replaced by GM dexosD for light-duty diesel engines and GM dexosR for gasoline engines. Customers may switch to the new specification at their next oil change …

Only those oils displaying the green or blue dexos ® trademark and icon on the front label have been certified and licensed by GM as meeting the demanding performance requirements and stringent …

GM Global Propulsion Systems engineers have developed dexos ® —a proprietary, global engine oil specification designed specifically to meet the requirements of GM vehicles.

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