A General Motors official unveiled details last week of the looming upgrade to the companys passenger car motor oil specification. After previously saying it would release Dexos1 Gen 3 in January and begin commercial licensing during the second quarter, the company is considering revising the schedule to push back at least some of the timing and plans to announce a decision soon.
Speaking at the ICIS Pan American Base Oils & Lubricants Conference in Jersey City, New Jersey, GM Power Train Vehicle Fluids Technical Specialist Khaled Zreik said GM made significant changes to align with ILSAC GF-6, the North American auto industrys specification scheduled for commercial launch in May. Gen 3 includes most GF-6 engine tests but also has additional requirements that could complicate work for oil marketers wanting to offer products that meet both specs.
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Dexos is the most important original equipment manufacturer passenger car engine oil specification in North America, and Dexos1 Gen 3 is GMs update to Dexos 1 Gen 2, which was launched in 2017. In October GM said it aimed to unveil the new spec in January, begin licensing during the second quarter and require all products promoted as meeting its spec to transition to Gen3 by Aug. 31 of next year.