AMSOIL Synthetic Gear Lubes
AMSOIL’s Synthetic Gear Lube line-up offers unparalleled protection, maximum efficiency and extended service capabilities under even the most severe operating conditions. There is a product for all automotive, trucking and racing applications. As differentials and gear boxes are rarely serviced, only the best lubricants should be considered. These products most certainly fit the bill.
Severe Gear
AMSOIL’s flagship gear lube for automotive, 4X4, towing & off-road. Incredible performance in extreme heat or cold. Dependable film strength, cooler operation and improved efficiency are but a few of the benefits.
Severe Gear Racing Gear Lube
A synthetic gear lube for extreme off-road and racing applications requiring a heavy viscosity lubricant. Provides reduced drag, extreme shock-load protection and cooler operation.
Long Life Synthetic Gear Lubes
High-quality synthetic gear lubes at a value price. Great protection and performance for automotive and trucking applications. Robust formulations that dramatically outperform conventional lubricants.
Universal Marine Gear Lube
Synthetic protection and performance for outboard lower units, sterndrives, V-drives, bow and tunnel thrusters and marine transmissions. Retains film strength and anti-foaming properties even with 10% water contamination. Also excellent for use in ATV & UTV differentials that may be exposed to water.
Universal Marine 75W-90 Synthetic Gear Lube
Slip Lock Differential Additive
High quality friction modifier formula for limited-slip, positraction and locking differentials. Eliminates gear chatter in all automotive/light-truck applications. A high quality replacement for all OEM brands.
Slip Lock Differential Additive
AMSOIL Hand Pump For Bottles
Fits all AMSOIL quart, gallon and 9.45 litre jugs for easy and clean installation of gear lubes and transmission fluids. An absolute blessing for tight or hard-to-reach areas. Inexpensive and indispensible.
Helpful Differential Recommendations:
- Flush (drain) as much of the old fluid out.
- Differential fluid capacity depends on ring gear and axle housing size.
- Do not over/under fill differential. This could mean a capacity difference of a quart or more and may cause over heating problems. (See the owner’s manual for proper fill level)
- Although AMSOIL gear oils are formulated with friction modifiers for limited slip differential applications, add all or part of a bottle of Slip Lock Differential Additive (or OEM equivalent) to illuminate the possibility of gear chatter.
- After changing the differential fluid, drive the vehicle in 7 or 8 figure eight turns, so new lubricant can work its way into the axle assembly.








