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Which lubricant(s) is recommended for the Duramax Diesel?

April 26, 2017diesel duramax lubricant recommended

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Which lubricant(s) is recommended for the Duramax Diesel?

1 Answer

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Engine oil designated as API CH-4 or API CG-4 is best for your vehicle. Oils lacking these designations can cause engine damage, which is not covered by the warranty. SAE 15W-40 is best for your vehicle. SAE 10W-30 can be used if the temperature is colder than 32-degrees.