Customer Ratings & Reviews

I use this in the front diff. On my TYM 4820R tractor. Works great! The best gear oil on the market.

Works as attended.

Any of my vehicles that use this viscosity I use Amsoil gear oil. 2017 Ram 3500, 2019 Jeep JL, 1996 Tacoma

Just filled the front differential of a Zumbrota 4:10 rebuilt Gear set in my 2005 Silverado. Already did the 500 mile break-in with the same Valvoline weight, break-in is clean, no metal. Refilled it with Amsoil. Rebuilt differential is very smooth and quiet with Amsoil. I never paid up for the higher end stuff before, but my mechanic labor and sore back is getting harder in my 70's :) YES, Folks pay the extra $ for the Amsoil, its a Quality product..

Best gear fluid on market. Keeps my diffs on my 2012 Ford F150 Raptor SVT in perfect operating condition.

I was already using and loving Amsoil in the engine of my 1986 Toyota 4Runner, and when the rear axle oil seals went out at 675K miles, I changed to Amsoil gear lube. Changed the transmission and transfer case also, now my rig is running 100% Amsoil and at 905,822 miles it's going strong. I tell all my friends about Amsoil when I can.

Changed the differential gear oil with Amsoil in my 2004 f150, it had a slight whine to it. Now it's gone mostly gone big difference.

I have a 2019 Honda Talon 1000X. The sub trans has been chattering for a long time. I tried different oils and they helped. Amsoil stopped the chattering. A great product in my book...

Easy convenient packaging makes the fluid fills easy. Happy I went with AMSOIL, seems like a legitimate option.

Amsoil products not only perform over time, they perform in places like differentials or PTUs and transfer cases that can be forgotten. I trust that Amsoil will last until time to service again. Amsoil performance isn't an anecdote, it is proven with analysis that the chemistry matches the marketing.

Recently received a new/old 2008 Mazda B4000 (built by Ford and same as Ford Ranger) and knowing the fluids had not been changed in a while, did a lot of online research and it confirmed what I had thought. Amsoil is the best. I ordered the various fluids from Amsoil and delivery to Ontario, Canada was quick and well packaged. It is confidence inspiring to know that my front and rear differential has excellent gear oil in it.

After the results of using the engine oil made by Amsoil, I was convinced that the gear oil would be just as good for its application, I’m an Amsoil consumer for life

I would recommend this oil for every auto owner you are going to feel the difference in the drive from the very moment you start to drive

With prices exploding, this is a great deal at a reasonable price.

Pour mon camion

Amsoil lubricants are top notch. I've researched various oils and watched a lot of testing videos, very impressed with the products.

This went in my 2005 tundra I use for mowing service. Works great. Has a limited slip differential. Thank you for producing premium products for peace of mind.

I used this on the front axel of a Kioti CK 2620hst compact tractor for the 50 hour service. I’m not sure what the Kioti factory uses for the front axel but I’ve read several forums that claim they use hydrolic oil instead of gear oil. This gear oil along with 15w40 synthetic motor oil has my tractor running much quieter than it ran with factory provided products.

I change all my fluids every 75k miles on my 1500 silverado and every 50k on my ram 2500. Neither has givin me any issue since I made the switch to amsoil. My silverado would lock and unlock the rear dif going down the road and almost ass soon as I switched to amsoil it stopped locking unnecessarily. It has been quiet leak free and we'll protected with Amsoil

The easy pack allows for hard to reach areas, which unfortunately is very common.