Fast and quick service getting my diesel oil SAE 15W-40. Had my oil changed in my 2007 Chevy 2500 classic in less than a week from the time I ordered on-line.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
New JD
By 
RAYMOND, 
a 
Verified Buyer 
from 
N Florida  
on 
July 02, 2021
Second oil change from new at 200 hrs. The Amsoil obviously lubricates better. The engine runs a few degrees cooler.
By 
Every day driver , 
a 
Verified Buyer 
from 
Wisconsin 
on 
June 01, 2021
This oil is not only good product, but also was able to increase overall MPG by 1.8 miles on avg. This is huge when driving truck everyday several hundred miles.
Bought a 2006 Dodge with 5.9 Cummins with 92,0000 miles. Performance was very good at time of purchase. After 2 tanks of fuel using AMSOIL Injector cleaner and Cetane boost, performance increased. Injectors must have had a degree of contamination blocking the nozzles. Much better now.
By 
CHRISTOPHER W, 
a 
Verified Buyer 
from 
Idaho 
on 
April 20, 2021
Been using this for better than a decade. My ‘97 powerstroke runs better on Amsoil than on any other oil I’ve tried. Idles better, has more power and just overall performance is up when I use it. No lie,
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