0w-30: AMSOIL Sig. Series 0w30 Synthetic Oil (TSO)

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Service Life of AMSOIL 0w30 Synthetic Motor Oil


AMSOIL 0w30 Signature Series Synthetic Oil Change Intervals - Service Life InformationAMSOIL Signature Series 0W-30 Synthetic Motor Oil is recommended for extended drain intervals in unmodified(1), mechanically sound(2) gasoline fueled vehicles as follows:

  • Normal Service(3) – Up to 35,000 miles or one year, whichever comes first.
  • Severe Service(4) – Up to 17,500 miles or one year, whichever comes first.
  • Replace AMSOIL Ea oil filter at the time of oil change up to 25,000 miles or one year, whichever comes first (other brands at standard OEM^ intervals).
  • In all non-gasoline fueled vehicle applications, extend the oil change interval according to oil analysis or follow the OEM^ drain interval.


^OEM - Original Equipment Manufacturer

  1. Engines operating under modified conditions are excluded from extended drain recommendations. Examples include the use of performance computer chips; non-OEM approved exhaust, fuel or air induction systems; and the use of fuels other than those recommended for normal operation by the manufacturer.

  2. Mechanically sound engines are in good working condition and do not, for example, leak oil or consume excessive amounts, are not worn out, do not overheat, do not leak anti-freeze and have properly working emission control systems. AMSOIL recommends repairing malfunctioning engines prior to the installation of AMSOIL synthetic oils.

  3. Personal vehicles frequently traveling greater than 10 miles (16km) at a time and not operating under severe service.

  4. Turbo or supercharged vehicles, commercial or fleet vehicles, extensive engine idling, first and subsequent use of AMSOIL in vehicles with over 100,000 miles, daily short trip driving less than 10 miles (16km), frequent towing, plowing, hauling or dusty condition driving.


For maximum engine protection, use only AMSOIL high efficiency oil and air filters, which offer, not only incredible contaminant removal ability, but also long change interval capability for maximum economy.

Need More Information or Assistance?

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.).

For additional information and assistance, see our blue "Website & Product Help" button at the top of the navigational column to the right.








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