Unless you've still sporting a Motorola flip phone and relying on AOL dialup internet, you should be aware of both the existence of aftermarket differential covers and the YouTube video series from ...

For those looking to improve cooling for their pickup truck's rear axle and provide more strength, better performance and/or ease of use with a new differential cover, there are a variety of ...

A key part of getting a car's power to the ground effectively is the differential, which uses gearing to regulate the split of power between wheels on an axle. This video shows exactly how it works.