☰
Shop by Vehicle
Find AMSOIL Near You

Customer Ratings & Reviews

Customer Rating

4.9

98% would recommend

  • 5 315
  • 4 11
  • 3 1
  • 2 1
  • 1 1

AMSOIL 5W-40 Heavy-Duty 100% Synthetic Diesel Oil

Product code : ADOQT-EA

4.9 star rating Read 329 reviews
Current price:

$12.99

Retail Price
Columbus - 43215
View Package Sizes

AMSOIL 5W-40 Heavy-Duty 100% Synthetic Diesel Oil

4.9 star rating Based on 329 reviews
  • 4 star rating
    15w-40 heavy duty diesel oil
    By  BRENT,  a  Verified Buyer  from  Michigan  on  January 31, 2024
    First time using this oil-just changed in my 2500 hd. Hoping for longer oil life with this product. Fast shipping.
    Was this review helpful?
  • 5 star rating
    Quality product
    By  GLEN,  a  Verified Buyer  from  Indiana  on  January 21, 2024
    Changed oil at 10k. Oil still had great viscosity. Used in conjunction with AMSOIL filter. I believe it’s worth the money. A product you can be confident in.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great product
    By  Jay,  a  Verified Buyer  from  CA  on  January 08, 2024
    Ordered this based on Bank's Engineering recommendation. Very happy with result. My truck seems to love the oil, and couldn't believe how fast the shipping was.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great Quality
    By  AARON,  a  Verified Buyer  on  December 31, 2023
    Good quality oil and packaged perfectly for application
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Diesel oil
    By  ERIC,  a  Verified Buyer  on  December 18, 2023
    I use this oil every 5000 miles in my diesel with there oil filter. Also use there other products in my build. Great products
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    AMS oil LMK
    By  MICHAEL,  a  Verified Buyer  from  Kamloops   on  December 14, 2023
    First synthetic for the duramax. Shipped to your door, filter right amount and competitive pricing for a superior oil. Great value
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great
    By  WALTER,  a  Verified Buyer  on  December 08, 2023
    The best
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great
    By  WALTER,  a  Verified Buyer  on  December 08, 2023
    The best
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Fantastic product
    By  WALTER,  a  Verified Buyer  from  Michigan  on  December 08, 2023
    Used this oil for years. It is the best.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Fantastic product
    By  WALTER,  a  Verified Buyer  from  Michigan  on  December 08, 2023
    Used this oil for years. It is the best.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Oil
    By  ANTHONY,  a  Verified Buyer  on  November 30, 2023
    Good product
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great quality product
    By  LORIN,  a  Verified Buyer  from  High Torque Garage wallkill ny  on  November 29, 2023
    i would highly recommend any amsoil product due to their superior quality and service the offer great quality products and at a very reasonable price
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Amsoil Oil Filter - EA80 - Thread issue
    By  ROGER,  a  Verified Buyer  from  Dalmeny,Sask  on  November 29, 2023
    Just as a FYI, The Oil Filter I received on my previous order had a thread issue it is the first time that ever occurred since I've been using Amsoil Filters.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Owner
    By  RENATO,  a  Verified Buyer  from  Shelby twp Michigan   on  November 24, 2023
    The best product and very good quality
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great oil
    By  Collin,  a  Verified Buyer  on  November 20, 2023
    Only a couple bucks more than the most expensive oil in AutoZone but waay out performs it
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Diesel oil
    By  BART,  a  Verified Buyer  from  Puerto San Carlos, Baja Sur  on  November 06, 2023
    225k on my 2004 Dodge Ram 2500. Looking forward to another 225k problem free.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    A+
    By  PAUL,  a  Verified Buyer  from  Massachusetts   on  October 28, 2023
    Only oil I run in my daily driven diesels
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Synthetic oil for my Duramax
    By  STEVEN,  a  Verified Buyer  on  October 05, 2023
    Great product
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Keeps my truck running for 27years
    By  JERRY,  a  Verified Buyer  on  October 02, 2023
    I have been using AMSOIL for 27 years and my truck has 353410 miles on it and it runs like new. I use AMSOIL products in all my machines
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    First choice for my truck!
    By  MIKE,  a  Verified Buyer  from  Iroquois Falls, ON  on  September 17, 2023
    This oil is a no brainer. You simply can’t beat the value of this oil. It offers superior protection for a very affordable price!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?

Choose your location

Delivery options and speeds may vary for different locations.

Log in to see your addresses