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Customer Ratings & Reviews

Customer Rating

4.9

92% would recommend

  • 5 1508
  • 4 47
  • 3 10
  • 2 3
  • 1 8

AMSOIL Signature Series 15W-40 100% Synthetic Max-Duty Diesel Oil

Product code : DMEQT-EA

4.9 star rating Read 1,576 reviews
Current price:

$17.19

Retail Price
Columbus - 43215
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AMSOIL Signature Series 15W-40 100% Synthetic Max-Duty Diesel Oil

4.9 star rating Based on 1,576 reviews
  • 5 star rating
    By  Ray,  a  Verified Buyer  on  October 15, 2020
    Using Amsoil motor oil for years,always count on the quality
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    By  Anonymous,  a  Verified Buyer  on  October 15, 2020
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    By  Anonymous,  a  Verified Buyer  on  October 15, 2020
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Oil
    By  Trigger ,  a  Verified Buyer  from  Texas   on  October 15, 2020
    So far I really like the oil. , it seams to be staying thicker
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    By  Anonymous,  a  Verified Buyer  on  September 24, 2020
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    By  Anonymous,  a  Verified Buyer  on  September 20, 2020
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great
    By  Chery,  a  Verified Buyer  from  Lompoc   on  September 20, 2020
    Great price
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Best Diesel oil available!
    By  Baldeagle535,  a  Verified Buyer  from  New Mexico  on  September 20, 2020
    This product performs as advertised and tested. The engine starts easily in cold weather; it runs cool in hot weather. It protects the engine against excessive wear. I am a happy customer after using it in two different diesel engines.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    By  Anonymous,  a  Verified Buyer  on  September 17, 2020
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Product Review
    By  Eastern Light Fisheries. ,  a  Verified Buyer  from  Montauk, N.Y.  on  September 17, 2020
    Best diesel oil on the market...!!!!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great oil
    By  JBC,  a  Verified Buyer  from  La.   on  September 16, 2020
    Very good oil 15W40 SS Diesel oil is all i run in my duramax trucks.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    2003 Dodge Ram 3500
    By  Gimpy ,  a  Verified Buyer  from  Washington State   on  September 16, 2020
    Amsoil is the only brand I run in my vehicles and with extended drain intervals and proven results it’s a no brainer.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    By  Anonymous,  a  Verified Buyer  on  September 16, 2020
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Synthetic 15W40
    By  Anonymous,  a  Verified Buyer  from  Greentown,Indiana  on  September 16, 2020
    I love this oil. Have been using it for a long time. I have a 2005 Dodge 3500. My mileage went up to 23+ miles per gallon. Up 3 MPG. I don't drive as much since retired, so I change oil once a year. This is excellent oil for any diesel.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    By  Anonymous,  a  Verified Buyer  on  September 16, 2020
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    By  Anonymous,  a  Verified Buyer  on  September 16, 2020
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Badass oil company
    By  Anonymous,  a  Verified Buyer  from  Ruston, LA  on  September 16, 2020
    Great product and great company to deal with. I enrolled in the preferred customer program and it is great. Fantastic catalog and orders were shipped immediately.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Awesome oil
    By  5.9 Cummins,  a  Verified Buyer  from  Western Oklahoma  on  September 16, 2020
    I switched to this oil in my 2006 dodge Cummins. 1st start up with the Amsoil my engine sound quieter and felt smoother. Best oil I’ve used.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    By  Anonymous,  a  Verified Buyer  on  September 16, 2020
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great oil
    By  Loren,  a  Verified Buyer  from  Mount pocono  on  September 16, 2020
    Great product from amsoil
    Bottom Line
    Yes, I would recommend this to a friend.
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