Viscosity in all situations is better, engine runs more consistent regardless of temperature.
Lubricity is excellent also.
Surpasses ACDelco requirements for Duramax 2022.
I purchased a case of the 0w-20 Diesel oil for my 2021 3.0L Silverado. Amsoil has always had the reputation of being one of or the best oils on the market. I have never used it mainly due to the perceived high cost and ease of availability. Now that this new truck only uses DexosD that is difficult to find locally. I ordered Amsoil and the cost was only a few cents more than the local auto parts store. So far I am very pleased with this product and recommend it highly.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great OEM replacement
By 
MATTHEW, 
a 
Verified Buyer 
from 
Long Island, New York 
on 
August 23, 2022
Great Oil for 3.0 Duramax applications.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Best oil money can buy…
By 
DARRYL, 
a 
Verified Buyer 
from 
Central Texas 
on 
May 17, 2022
This is without a doubt the best oil money can buy…I know Mobil 1 makes a good product…but Amsoil is way more advanced…lasts longer & breaks down slower. But of course that is only my opinion, buy it & try it yourself, you won’t be disappointed.
The only problem I have with the whole experience is that the delivery driver left the order at the end of my driveway beside a busy road where I can't see end the end of my driveway from my house. Fortunately I got to it first before it was stolen.
I changed the oil my self in my new 2021 GMC AT4 diesel engine. the folks at the help line were very nice to confirm i was ordering the correct product that met manufacturer's specs. it shipped out very quickly.
Was getting my oil changes done with the dealer till recently now that I'm changing the oil myself and find out that your oil is cheaper per quart than what you can buy at the dealer with a subscription also I'm leaving if you pay full price I believe it's still cheaper than the dealer and it's better quality oil I ran Amazon for years
Free Shipping on orders of $100 US ($130 CA) or more.
Birthday Gift of a $5 coupon to help celebrate your day.
$5 Back with every $100 you spend.
Exclusive Offers throughout the year.
Free Membership renewal when you spend $500 or more.
Plus, Preferred Customers receive the quarterly AMSOIL Magazine with the latest product details, technical information and complete product catalog. Learn More >
Special Offers
Your browser is outdated.
Thank you for visiting www.amsoil.com. Certain parts of this website may not function with Internet Explorer. To continue shopping with us, please update your browser using one of the options below.