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10w-40: AMSOIL 10w40 Synthetic HP Oil (AMO)

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Applications for AMSOIL 10w40 High Performance Synthetic Oil


AMSOIL Synthetic 10W-40 Premium Protection Motor Oil is a multi-use, premium synthetic lubricant for applications that require or benefit from a higher viscosity oil. It is recommended for air and liquid cooled, large or small gasoline and diesel engines, transmissions and chaincase applications where 10W-40 oil is required with any of the following specifications:

  • API SL/CF, CI-4 Plus
  • API SJ, SH, SG...
  • MIL-PRF-2104G
  • JASO MA (Motorcycle)


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On ANY of our product information pages (including this one), you'll see an "Additional Information" section just below this one which will provide links to additional information regarding this particular AMSOIL synthetic product (such as tech specs, mixing info, service life, alternative products, etc.).

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