GM* Dexos1™ Gen 3 is the next-generation motor oil specification designed to address the challenges today’s smaller, higher-powered engines present.
Dexos1 Gen 3 highlights
- Updated performance standard for deposit and sludge control
- Revised stochastic pre-ignition (SPI) test
- Improved fuel economy
- Backward compatible with previous GM specifications
GM set a mandatory transition date of Sept. 1, 2022 to meet the new specification. AMSOIL Signature Series, XL and OE Synthetic Motor Oils already outperform it.
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