You will often see this denoted as GM 6368M or the dexos1™ Gen 3 license number on the product packaging. The factory fill specification is dexos1™ GEN 3, which is non-negotiable for warranty compliance and optimal performance.
3.0 Duramax Oil Type Cleaning Power and Performance
Oil Change Intervals and Drain Intervals Thanks to the dexos1™ Gen 3 formulation, the 3. 0L LGW engine, found in models from 2019 to 2023, operates under significant pressure and heat, making the lubricant choice fundamental to long-term reliability.
Conventional: Why Quality Matters Given the advanced nature of the 3. However, owners who frequently engage in short-trip driving, dusty environments, or towing may need to adhere to a 7,500-mile interval to ensure the oil’s longevity and effectiveness.
3.0 Duramax Oil Type Cleaning Power and Performance
Enhanced turbocharger protection to ensure the critical bearing remains lubricated during high-RPM operation and cooldown cycles. Using an incorrect viscosity or substandard oil can lead to excessive wear, turbocharger issues, and potentially severe engine damage down the line.
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