
The extreme pressure placed on differential gears requires superior lubrication.

Gear oil uses a different viscosity classification and different additives.

We tackle some frequently asked questions about gear oil, including "What is hypoid gear oil?" and other common questions.

You see them on the shelves of your local auto parts stores, but what does a limited-slip additive do? We...

There are several reasons to upgrade your differential cover, including increased strength, better heat dissipation and reduced weight.

Your differential allows you to corner safely while putting maximum traction to the ground. Here's how it works, and what...

Sometimes an idea so great comes along it makes some wonder, “Why didn’t anyone think of this sooner?” Case in...

Filled-for-life transmissions and differentials are becoming more popular. But it's best to change fluid in these components at least once....