ACDelco GM Original Equipment dexos1 Gen 3 Motor Oils are designed, engineered, and tested to rigorous standards, and are backed by General Motors. dexos1 Gen 3 oil is the latest global passenger car engine oil specification from GM. It is designed to meet the enhanced performance needs of today's GM vehicles. Unlicensed products have not gone through GM's rigorous testing process and are not approved or recommended for use in GM vehicles. Gen3 is backwards compatible with previous generations of dexos1, ILSAC GF-6 and API SP engine oils.ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

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• Designed to provide optimal protection for your vehicle's engine
• Provides engine cleanliness by helping to control thermal breakdown and deposit formation under normal driving conditions
• Gen3 is backwards compatible with previous generations of dexos1, ILSAC GF-6 and API SP.
• High resistance to oxidation, helping to keep the oil from breaking down. GEN3 helps improve oxidation performance, turbocharger protection and engine cleanliness
• GEN3 improved compatibility over previous formula with exhaust particulate filters
• Helps keep engines cleaner by resisting varnish and sludge that can affect performance. GEN3 new stochastic pre-ignition (SPI) tests. Upgraded over previous formula performance limits for deposit and sludge tests
• Viscosity(s): 0W20, 5W30
• Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
• ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies