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

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About AMSOIL 10w40 Synthetic High Performance Oil

AMSOIL 10w40 Synthetic High Performance Motor Oil
Formulated for use in both gasoline and diesel engines. Offers multi-functionality and excellent wear protection. Ideal for applications where the extra protection of a higher viscosity oil is desired. Excellent for motor homes and older vehicles, as well as most types of modern equipment. Also compatible for use in motorcycles.

Package sizes include:
1-Quart Bottle
1-Quart Bottles (case of 12)
1-Gallon Bottle
1-Gallon Bottles (case of 4)
2.5-Gallon Bottle
2.5-Gallon Bottles (case of 2)
16-Gallon Keg
30-Gallon Drum
55-Gallon Drum

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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AMSOIL User Testimonials

"I adjusted my valves this weekend after the truck sat for 2 days. The HDD (Heavy Duty Diesel) 5W-30 was still clinging to the valves. I actually had to run the feeler gauge through a few times first to remove the oil so I could get an accurate reading. With conventional oils, the valves would be dry after sitting overnight."

A.V.
San Antonio, TX
BestSyntheticOil Customer


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All opinions expressed on this site are solely those of this independent dealer and not necessarily those of AMSOIL Inc.