Gear oil is a lubricant designed for use in transmissions, manual gearboxes, differentials, transaxles and transfer cases in your car or truck. Gear oil helps your transmission run smoothly. More importantly, it helps protect critical internal components in your car’s gear systems from wear and heat damage.

Inadequate lubrication can result in the scouring, corrosion, scuffing, and pitting of important drivetrain components. This deterioration can compromise your car’s performance, and eventually lead to costly repairs. Gear oil and motor oil are not the same things, and they are not interchangeable.  Gear oil is specially formulated for use on gears. Motor oil… You guessed it – it’s for motors.

How often should gear oil be changed?

It is important that vehicle owners consult their car owner’s manual first. However, when you drive your car under normal conditions, you should have your gear oil changed every 48,000 to 80,000km for an automatic transmission and 96,000 to 160,000km for a manual transmission. If you regularly subject your car to severe conditions, like towing or driving in mud, you may need to change your gear oil as often as every 24,000km.