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AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil

Product code : ADPQTC-EA

4.9 star rating Read 314 reviews

Customer Rating

4.9

97% would recommend

  • 5 301
  • 4 10
  • 3 1
  • 2 1
  • 1 1

AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil

4.9 star rating Based on 314 reviews
  • 5 star rating
    Great Deal
    By  LMG,  a  Verified Buyer  from  South Carolina  on  February 09, 2022
    Purchased this as a preferred customer, I never thought I could afford Amsoil but this was less than Mobil1 from ChinaMart.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    2002 Ford 7.3 Powerstroke
    By  DAVID,  a  Verified Buyer  from  Oklahoma City  on  February 02, 2022
    Started using this after truck had about 120,000 miles. Since new, truck used a quart of oil at 3,000 miles. No more oil consumption and truck runs much quieter.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Love it
    By  Country,  a  Verified Buyer  from  Tennessee  on  January 29, 2022
    It the only oil I use in my diesel
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 4 star rating
    2021 GMC L5P
    By  JAKE,  a  Verified Buyer  on  January 21, 2022
    Can’t complain as of yet. Got 15000 miles on truck do oil change every 5k so far so good
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Good stuff
    By  BENJAMIN,  a  Verified Buyer  on  January 16, 2022
    Good oil, runs well in my 6.0 psd
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Diesel motor oil
    By  PAUL,  a  Verified Buyer  from  70131  on  January 15, 2022
    I use the Amsoil oil in my John deer tractor I use Amsoil in all my motors.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Amsoil DME for GM 6.6L Diesel Engines
    By  WILLIAM,  a  Verified Buyer  from  Camden, NC  on  January 08, 2022
    I have used the DME on 6 different GM 6.6L diesels, and have never had a problem. I towed boats with earlier trucks, and now farm use with the current truck and the DME is an outstanding oil for this engine.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Excellent oil
    By  AL,  a  Verified Buyer  on  January 07, 2022
    I have used this oil in my 2002 diesel truck for many years and won't change.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Amazing!!
    By  DANIEL,  a  Verified Buyer  from  Arizona   on  January 07, 2022
    I always used valvoline premium blue then I tried this stuff 1 time and I’m hooked I have literally swapped all fluids in all my vehicles and toys generators etc to amsoil even my family members have switched to this oil in their vehicles I even used the quick shot fuel additive in my 44 year old truck and it woke up that old Quadra jet carb! Don’t hesitate to buy this! I am in the process of putting their dirtbike oil in my dirt bike at this very second!!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    good oil for my l5p
    By  ERIK,  a  Verified Buyer  on  January 07, 2022
    great oil and fast shipping got to my door steps in 2 days keep up the great work Amsoil
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great Product!
    By  MICHAEL,  a  Verified Buyer  from  Houston, Texas  on  January 04, 2022
    178,000 miles and still going strong in my 2012 F350 4x4. Amsoil is all I use on my Truck.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great oil for diesels
    By  MICHAEL,  a  Verified Buyer  from  MASSACHUSETTS  on  December 15, 2021
    Use this in my powerstroke for the past 17 years
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    15W-40 / 4x & 6x oils - AWESOME!
    By  Kyle J.,  a  Verified Buyer  from  North Dakota  on  December 15, 2021
    Great oil always changed the engine oil at 15k miles with the 6X and now I use 4X and change it at 10k miles. Oil samples come back great. '10 Ram with a Cummins 6.7L- Been using AmsOil on it for 120k miles still going strong!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    15-40 diesel oil
    By  RICHARD,  a  Verified Buyer  on  December 12, 2021
    Been using this oil for awhile and seems to run a little quieter. Extremely happy with this product.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Delayed oil filter
    By  TROY,  a  Verified Buyer  from  Chehalis WA  on  November 29, 2021
    Got the oil in a good time but didn't get the filter at the same time was kinda disappointed because I had scheduled to get the oil change done. So I had to go buy a filter from napa.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great product
    By  MATTHEW,  a  Verified Buyer  on  November 25, 2021
    Only oil I’ll run in my 6.0 powerstroke
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great oil!
    By  Billy,  a  Verified Buyer  from  AR  on  November 14, 2021
    I've been using this oil in my 04 6.0 diesel for a couple years now and I'm very pleased with how it runs and feel it's the best oil for longevity.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great oil
    By  TERRY,  a  Verified Buyer  from  California  on  November 12, 2021
    I have an older Dodge Cummins diesel and this oil checked all the Marks at a great price.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Quality oil and filter
    By  MIKE,  a  Verified Buyer  from  Minnesota   on  November 06, 2021
    Top quality oil and filter, super fast shipping. For sure a repeat customer!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    ?
    By  ROBERT,  a  Verified Buyer  on  November 05, 2021
    I like your services and I like your products I’m very happy with them
    Bottom Line
    Yes, I would recommend this to a friend.
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