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AMSOIL Signature Series 0W-40 100% Synthetic Max-Duty Diesel Oil

Product code : DZFQT-EA

4.9 star rating Read 1,538 reviews

Customer Rating

4.9

92% would recommend

  • 5 1473
  • 4 45
  • 3 9
  • 2 3
  • 1 8

AMSOIL Signature Series 0W-40 100% Synthetic Max-Duty Diesel Oil

4.9 star rating Based on 1,538 reviews
  • 5 star rating
    Excellent product
    By  Bob,  a  Verified Buyer  from  Fallon NV  on  April 04, 2019
    I rely on the product being able to go the distance or time frame without worrying about going a little longer because of not having the time to change it . I have total trust in the product. I have had better mileage results with this oil also.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    all i use in my truck
    By  Tom,  a  Verified Buyer  from  Perris calif.  on  March 29, 2019
    smooth running .
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Repeat Buyer
    By  DK,  a  Verified Buyer  from  Lancaster Ky  on  March 29, 2019
    I have used AMSOIL products for 30 plus years. That should say how I like their products
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Very Happy with Product
    By  AHA,  a  Verified Buyer  from  Ca  on  March 20, 2019
    Love the product. No complaints
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Security
    By  Mad Dog,  a  Verified Buyer  from  Alabama  on  March 19, 2019
    The knowledge that you've used the best product for the job equals many happy, trouble free miles.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Using Amsoil since 1983
    By  Mister Cedric,  a  Verified Buyer  from  Fort St John, British Columbia  on  March 17, 2019
    Very pleased with the Amsoil product line. Great performance and this oil is quite honestly the best for my diesel equipment
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    May buy again
    By  None,  a  Verified Buyer  from  Panama City fl  on  March 10, 2019
    Good oil
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Amsoil...Great Diesel Oil!
    By  Diesel Power,  a  Verified Buyer  from  Chattanooga, TN  on  March 09, 2019
    I use Amsoil in all my equipment (several are diesel powered), I'm very happy with their product and I've used it for years.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Amsoil - 5 Star All The Way
    By  Diesel Lover,  a  Verified Buyer  from  North Myrtle Beach  on  March 02, 2019
    If you have a powerstroke diesel (any year) you need to run Amsoil oil along with the oil bypass system. My results from Blackstone Labs have been outstanding. We pull a 5th wheel camper and because of the heavy work that the truck does - we change our oil every 7,500 miles / 200 hours.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Live This Product
    By  Db,  a  Verified Buyer  from  Indiana  on  February 25, 2019
    Noticeable difference in cranking during cold weather. Oil pressure never changes a bit when running this product.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    This is the only oil I will use in my 2017 F250 6.7 period.
    By  Angus,  a  Verified Buyer  from  Virginia  on  February 15, 2019
    You notice right away after you use this oil in your diesel engine. Sounds quieter and runs smoother. I combine this oil with the amsoil oil bypass filter and Dans from amsoil install kit. I take oil samples and send to amsoil agent. Oil has maintained its initial install standards. Unbelievable.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great product.
    By  JB,  a  Verified Buyer  from  NY  on  February 13, 2019
    Use it in my truck. I've always used Amsoil products and have always found them to be high quality.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Works great in my F350
    By  Mark M,  a  Verified Buyer  from  Port Orchard WA  on  February 12, 2019
    I use AMSOIL in all my vehicles and they operate great.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Best oil for my Chevy LMM
    By  Joe,  a  Verified Buyer  from  Tulsa, OK  on  February 11, 2019
    Eliminates the typewriter noise that most owners of the Lmm Duramax hear. Been using Amsoil products for years in all of my engines from motorcycles to mowers.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    I use this oil all the time1
    By  bikeman41,  a  Verified Buyer  from  torrance ca  on  February 07, 2019
    Once a year oil change!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Only product I use for years
    By  Dirty dave,  a  Verified Buyer  from  Texas  on  February 02, 2019
    Great product , does more than what it says. All fluids in trucks and dirt , street bike .
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Love this product
    By  Drivr51,  a  Verified Buyer  from  Ft myers fl  on  January 22, 2019
    I use this product in my 2014 Silverado 2500 duramax diesel. The intervals between oil changes are phenomenal. All amsoil product lines are worth the money including this max duty diesel oil.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Love this oil!
    By  JG,  a  Verified Buyer  from  Alabama  on  January 21, 2019
    Great oil! All of my UTVs, farm equipment, and trucks are diesel. When in the northern sections of the country and extremely cold, there is a noticeable ease with startup vs conventional oils. I'll never go back.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Diesel oil
    By  Audie Baca,  a  Verified Buyer  from  Richmond, Texas  on  January 18, 2019
    Great product! Been using the diesel oil since my truck was new. Truck now has 155,000 miles and hasn't skipped a beat!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    The only oil
    By  Sixpack,  a  Verified Buyer  from  Portland oregon  on  January 17, 2019
    Covers my 6.7 in cold conditions
    Bottom Line
    Yes, I would recommend this to a friend.
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