Customer Ratings & Reviews

This is the first time I ever use this product so I will wait and see how it works after I get a test done after my first oil change with this product

It's a great product just disappointed that I could not purchase an oil filter for either my pickup truck or my motorcycle.

Yes I will keep buying this product

Another great product from AMSOIL. I use AMSOIL products in all my internal combustion engines from lawnmowers to high performance outboard engines. I feel like I’m doing the best I can to protect my engines.

My Duramax just runs smoother with Amsoil.

My truck's mileage is now is 120k plus. I switched quite a while ago from STP Euro full synthetic. I was using that because the dealer was using that oil when I bought it used. (Free changes etc.) For the last seven changes, on average between 8k to 10k miles between, I've been using Amsoil. The truck runs great, no smoking, no leaking. I have to admit, I was dragging my feet about Amsoil until people I know kept talking about it. What made me switch was Gale Bank's video series about Amsoil and their factory. I'd been "Amway ambushed" at one time, so I was leery of the name. Amsoil has NOTHING WHATSOEVER to do with 'selling soap to your friends and relatives' company! I will be using Amsoil as long as I have this truck. (No plans to get rid of it)

Works as intended.

it's great oil been using it for 40 years with no issues

Been using Amsoil for several years, it’s a bit more expensive but WELL worth it.

I’ve been running Amsoil in all of toys for years. I’ve recently starting using it in my truck. The truck starts easier and builds oil pressure quicker in -30 starts. Truck is quieter and idles smoother in cold temperatures with this oil as well.

Great company great oil- only issue I had was with ordering - got a oil change kit and when checking out it said some of my stuff wasn’t ready- package shipped right away I assumed it was all there but I was short 2 liters of oil but not charged for it. Not ideal when you want to do an oil change.

Wouldn’t use anything else

I've been using Amsoil products for years, and will continue as well. Thank you for great products and great service!

This has gone far and beyond my expectations! My cummings seems to run smoother!

Great product

I've been using Amsoil exclusively in my Ram 2500 6.7 Cummins for the last 10 years of its life. This truck has 237k miles and is a highly modified daily driver. I keep it on my hottest tune and drive it accordingly. It runs smooth and gives me peace of mind that everything is properly lubricated. This truck has a lot of life left in it and Amsoil is to thank for that.

Great oil love the 2 1/2 gal jug.

Great oil. I’ve used this oil for the entire life of my Ram and still running strong after 15 years.

I have only ran amsoil 15-40 & 5-40 in my 2014 ram 3500 since I bought it new in 2014. All the products amsoil makes are top notch why not spend the extra money on proven tested oil in your rig not only does it last longer then most oils it out performs them as well.

Switched from 15W-40 to 5W-40 and has quieted the truck down quite a bit. Still changing it every 5,000 miles.