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• Recommended for applications specifying API CI-4+ and prior specifications • Controls soot and wear • Reduces oil consumption and emissions • Delivers maximum engine protection over extended drain intervals • Provides outstanding protection and performance in temperature extremes • TrySignature Series Max-Duty 15W-40 for a serious upgrade
• Recommended for applications specifying API CI-4+ and prior specifications • Controls soot and wear • Reduces oil consumption and emissions • Delivers maximum engine protection over extended drain intervals • Provides outstanding protection and performance in temperature extremes • TrySignature Series Max-Duty 15W-40 for a serious upgrade
Premium diesel oil providing excellent performance in diesel engines where highly effective control of wear and deposits is vital. Built with heavy-duty dispersant/detergent additives with 12 TBN, Synthetic Heavy-Duty Diesel & Marine Oil neutralizes acids and controls soot thickening from EGR and blow-by to protect against corrosion, cylinder bore polishing (wear) and varnish/sludge deposits. It resists heat and breakdown and is formulated for extended drain intervals.
By
KEITH,
a
Verified Buyer
from
Desert southwest
on
August 01, 2022
I have been using Amsoil products in all my vehicles for almost 20yrs ( diesel truck, harleys, hot rods) without a single oil issue. I recommend these products to everyone.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Long live my Diesel and Amsoil.
By
Hop,
a
Verified Buyer
from
Index, Washington
on
June 08, 2022
I’ve owned my 1998.5 Dodge Ram 3500 Dually since 2000 and, although I tried Kendall Super D3 in the beginning, I wasn’t quite pleased with it and the availability of it. So I changed to Amsoil and I have never looked back. I now have 366,000miles on my truck and it still runs smooth as silk with no engine problems whatsoever. I also run Amsoil gear oil in the front end, reared, transmission, and transfer case. I change the oil on an extended mileage plan in conjunction with my mechanic and I simply could NOT be more happy with this product. Combined with an Amsoil Bypass filter system my truck will very probably outlast me!!!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great Oil
By
JIM,
a
Verified Buyer
from
Sun City, AZ
on
May 24, 2022
I have used this oil for many years. Changing once a year, approximately 12,000 miles. My truck continues to run like new with 257000 miles on the clock
Bottom Line
Yes, I would recommend this to a friend.
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4 star rating
Liked it way better before the prices went sky high
By
HERB,
a
Verified Buyer
from
Orlando,fl
on
May 17, 2022
It use to cost me about the same for 3 gallon oil change as I paid for a five quart one, not so nowadays
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5 star rating
the only oil for my boat
By
JOHN,
a
Verified Buyer
from
sunshine coast, BC
on
May 15, 2022
just had the valve cover off my Cummins Marine 5.9. pristine at 1000 hours. Amsoil products are the only oils in all my power equipment.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
1977 Ford 1600 tractor
By
PAUL,
a
Verified Buyer
from
clinton, oh
on
April 25, 2022
So far so good
Time will tell
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Great oil for my 2006 DMAX LBZ
By
RUSS,
a
Verified Buyer
from
South Louisiana
on
April 18, 2022
Been using this oil since first oil change.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
BEST OIL FOR MY CUMMINS 8.9 DIESEL PUSHER EVER
By
DAREDEVILLEGEND,
a
Verified Buyer
from
TAMPA BAY AREA, FLORIDA
on
April 17, 2022
The AMSOIL for my diesel is AMAZING. I would never use anything else.
Thank You for such a GREAT Product :-)
God Bless
Bob
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Diesel engine oil
By
R.G.,
a
Verified Buyer
on
March 20, 2022
Love many different Amsoil products. Diesel engine oil works great in my Tractor
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
A Great Synthetic Oil
By
SHERMAN,
a
Verified Buyer
on
February 16, 2022
I've been using Amsoil Synthetic Oil for many years and my diesel engines just keeps lasting.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
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