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

Service Life of AMSOIL 10w40 Synthetic Oil

AMSOIL 10w40 Synthetic Oil Change Intervals - Service Life Information

AMSOIL Synthetic 10W-40 Premium Protection Motor Oil is recommended for use up to 15,000 miles or one year, whichever comes first, in unmodified(1), mechanically sound(2) automotive gasoline or diesel engines. In motorcycles, small engines, stationary engines, heavy equipment and other applications, extend drain intervals based on oil analysis or follow the manufacturer recommended drain interval.

AMSOIL Ea™ full-flow oil filters are designed for extended drain intervals. They stop smaller particles, flow more oil and last longer than regular filters. For best performance, use AMSOIL Ea™ full-flow oil filters and replace at the time of oil change. Other oil filters should be changed at standard OEM^ intervals.

^OEM - Original Equipment Manufacturer

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.
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.

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.

Note: Most quick lube service centers will install these products upon request or you can install them yourself.

Buy It Now ... AMSOIL 10w40 HP

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.

Additional Info via the Links Below:

page 1 : Product Selection, Usage & Order Links
page 2 : Alternative Products
page 3 : Additional Products to Consider
page 4 : Full Product Description
page 5 : Applications for This Product
page 6 : Typical Technical Specifications
page 7 : Mixing with Other Lubes
page 8 - current : Service Life
page 9 : Health & Safety

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