Customer Ratings & Reviews

Don't buy inferior lubricants use the Best.... AMSOIL

I have a Mercruiser Bravo outdrive rebuild shop,,I have been using severe gear 75/140 synthetic for many years in my personal boat outdrives,,and I recommend it to all my friends,, I recently removed my outdrives and refreshed them ,,preventive maintenence,, my gearsets look near new,, and they have over 500 hours on them,inside the housings were spotless clean, all bearings were perfect,,and this oil runs cooler than other oils,,

The absolute best oil to rub in your V twin trannys!!! It will quite and smooth shifting will be noticed immediately! Also when its 117 degrees out you want the best protection possible!!!

When you want the best, never let me down

I use amsoil in my diffs, trannys, and transfer cases and this stuff is the best for your diff. I've never had a failure while running amsoil.

Been using this gear oil for 20+ yrs now, always a great product and bag bottles are easier to get in tight places.

For quite a number of years I have exclusively used Amsoil products to put into all 4 of my vehicles. I have 3 all-wheel-drives and a 4x4 pickup and I use the 75W-90 Severe Gear Lube for the transfer cases and differentials and it has always put my mind at ease. I don't plan on using anything else but Amsoil...ever!

Great Product , Great Service , Great Price . Thank You Very Much .

Very easy to put the oil in a transfer case with no space using this package.

Did a full replacement of fluids (drain and fill) with amsoil products. So diff, transfer case and atf on 2010 Toyota RAV4 V6. Products seem top notch. Everything running optimally. Very pleased in the performance of these products. If I don’t use factory fluid they have to be the best, hence Amsoil!

Very high quality oil

I did a lot of research and decided the AMSOIL products was what I needed due to my hauling a heavy camper often.

Use this in a Subaru rear differential. Now it seems like when I kick off the cruise control, I coast a lot farther then before. Also, my magnetic drain plug had a lot less goop and crud with this over the factory gear oil

I've used this lube in the front axle of numerous vehicles. I use 4wd a good bit so a durable oil is important. It always performs well.

Do heavy towing. Want the best protection possible