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Will AMSOIL Motor Oils void the warranty of a new vehicle?

Question: Will AMSOIL Motor Oils void the warranty of a new vehicle?

Answer: Absolutely not! Manufacturers’ warranties are based upon the use of oils meeting specific API Service Classifications, for example, SJ/CF. (AMSOIL lubricants meet the current API Service requirements and, thus, are perfectly suited for use in any new vehicle without affecting the validity of the new vehicle warranty.)