Customer Ratings & Reviews

I like to do my own oil changes, and avoid all the "additional" services the dealer offers.

so far so good . I believe in Amsoil . I expect the best from this oil . My vehicles depends on it ! I run this in everything I own!!!

I use every product I need for our truck and RV and yard equipment.

My truck and I love this stuff. I run it for a year between changes and love it. Best oil out there

I have used amsoil in everything i got for the past 10 years, and i cant say enough about it.

Truck is used for hauling horses.

KIt was a nerve racking decision to change to Amsoil in my Old 1993 Dodge Cummins. I really hope it holds up. So far So Good.

I use Ams oil in every application of my truck and never have I been let down

Used for my F450

IN A DODGE SPRINTER

Use in my 2003 Ford 6 liter powerstroke engine and tractor No problems with the engines and provides great value

I have changed all fluids to AMSOIL. The oil viscosity is superior to any on the market. I do the recommended oil change to may 2500HD Duramax. Even after a 10,000 mile oil change the lubrication in the oil is still as if it were brand new. AMSOIL is the best to run in any motor. Give it a shot you have nothing to loose with using AMSOIL products.

I live in a cold climate and have never had to use engine block heaters in winter.

I have three diesel trucks and five diesel tractors, and all are serviced with Amsoil products. Besides extended oil changes, my engines stay clean and trouble free. I would never consider using anything else.

Increase oil pressure and smoother idle.

I have used this oil for over 18 years in a 7.3 diesel ford-350 4x4 and have had great performance in using it .The engine doesn't have to work as hard with Amsoil synthetic oil 5-40w it runs cooler and less RPMs for the same speed as other oils . If you're not using Amsoil synthetic oils in your engine and truck and or other motor vechicle your missing out on the best performance your motor Vechicles can give you ..

I really appreciate the ability to use the "My Garage" to identify the products and capacities listed for each of my vehicles. That with Amsoil's excellent write ups on their products gives me a piece of mind that I have the right fluids for each vehicle. This oil has all the additives my old truck's diesel needs to stay running for another 250,000 miles.

looks good. I will need more time to fully evaluate it.

Premium oil for a premium price. Works out in the long run for me with extended drain intervals. I use it in all my diesel business trucks.

I use amsoil in all my vehicles, even my lawn mower. This stuff is the bomb, less oil pressure due to better flow, and smother running etc...