Awesome product

18,000+ miles on first change using this product. Oil analysis was not perfect, but said to keep running. Since low miles on engine, decided to change.

I will only use this moving forward

Amsoil awesome product

Nothing on the market better. I will continue to run ams in everything I got!

I have an ‘08 F-250 powerstroke. Truck loves Amsoil synthetics. I run Amsoil exclusively these days. My vehicles all run better on Amsoil. No joke. The preferred customer program and drop shipping to my front door makes running Amsoil very affordable. Great piece of mind knowing that my expensive truck has the best lubrication that money can buy.

Great oil for my Ram 3500. My truck does nothing but pull heavy trailers so I use this oil

I switched to Amsoil after Shell was not able to get the additive for their T5 Semi Synthetic oil. I'm glad I switched! I really Like this oil. I seem to be getting higher oil pressure and longer life with this oil. I have only been using it for about 6 months but I do like it a lot!

My order is at my door usually in a couple days. The quality is excellent.

As in the title, great product

Amazing oil. My engine is quieter than before. Better fuel mileage. Engine temp is 5 degree's lower. Amsoil once again knocks it out of the park. Great oil!!

Love Amsoil products. You cannot beat the quality of these products!!

Best oil for Diesel engine

This is the second oil change that I have used this oil. I really like this oil! It seems to preform better than to other brand of Oil that I was using. It seems to hold better Oil Pressure than my previous Oil. I have become a Amsoil Customer for Life!

Never an issue. Great product.

my diesel farm tractor starts easily in very cold weather in michigan during the winter for clearing snow and pulling tree's out of the woods for firewood business. highly recommend it.

Very easy to order online. I did have concern about the oil being acceptable in my Cummins 6.7L Diesel. CK4 but not Mopar MS 10902. The owners manual stipulates both. But Cummins CES 20081 is acceptable. I inquired Amsoil and they stated they will be changing the label in the oil to reflect its acceptable for this engine for 10W30. Great technical response!!

the best oil for my tractor

I use this oil in my Kubota tractor From my Experience it keeps the engine running clean and adds to easy start ups in the cold weather

Great product might be pricey but you get what you pay and I'd rather pay the money and have the best in my vehicles than have some cheap stuff tjat won't last