Skip to Main Content
Close Icon

Main Menu

Begin typing to search, use arrow keys to navigate, Enter to select.

10W-40 Gasoline Motor Oil

3 of 3 products
3 of 3 products
The selection will refresh the page with new results
The selection will refresh the page with new results
The selection will refresh the page with new results
FILTER
Sort by
XL 10W-40 Synthetic Motor Oil

XL 10W-40 Synthetic Motor Oil


  • 64% more protection against oil breakdown1 than required by the GM dexos1® Gen 2 specification, ensuring protection in extreme temperatures.
  • 100% protection against LSPI2—zero occurrences were recorded throughout five consecutive tests.
  • 25% more cleaning power3 to help keep your engine running smoother, longer.
  • Provides extended drain intervals up to 12,000 miles or one year.4
  • Excels in fuel-economy testing, earning the additional "Resource Conserving" designation5 from the API.

1Based on independent testing of AMSOIL XL 5W-30 motor oil in the GMOD engine test required for the GM dexos1 Gen2 specification.
2Based on zero LSPI events in five consecutive tests of AMSOIL XL 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.
3vs. AMSOIL OE Motor Oil
4See reverse side for details.
5Applicable to XL 0W-20, 5W-20, 5W-30 and 10W-30 motor oil.
*All trademarked names are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.

View Detail Page

$13.09

Retail Price (USD)
Preferred Price: $9.89
Save: $3.20 Learn More
XLOQT-EA

$13.09

Retail Price (USD)
Preferred Price: $9.89
Save: $3.20 Learn More
Z-ROD® 10W-40 Synthetic Motor Oil

Z-ROD® 10W-40 Synthetic Motor Oil


Engineered for classic vehicles
Helps retain horsepower
High-zinc formula protects flat-tappet cams, lifters, rockers & other critical components
Protects against rust during storage

View Detail Page

$15.19

Retail Price (USD)
Preferred Price: $11.59
Save: $3.60 Learn More
ZRDQT-EA

$15.19

Retail Price (USD)
Preferred Price: $11.59
Save: $3.60 Learn More
Premium Protection 10W-40 Synthetic Motor Oil

Premium Protection 10W-40 Synthetic Motor Oil


For use in both gasoline and diesel engines. Offers multi-functionality and 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 many types of modern equipment and compatible with some motorcycles.
View Detail Page

$15.39

Retail Price (USD)
Preferred Price: $11.79
Save: $3.60 Learn More
Power Big Savings with Preferred Customer Membership - Reduced Pricing, Free Shipping, Birthday Gift, $5 Back, Exclusive Promotions, and Free Membership - Click to learn more.
Free AMSOIL Hat on orders that include Three Bottles of Interceptor 2-Stroke Oil or 2-Stroke Injector Oil