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 ...

If you’ve spent any amount of time around cars or trucks, you’ve probably heard the saying “heat is the enemy of performance.” While this statement is universally true, it’s even truer under the ...

Throughout the last 18 months, we've added horsepower to our '97 Ford F-350 Power Stroke in more ways than one. We added Stage 1 injectors, a complete fuel system, an aftermarket high-pressure oil ...

Taking any remotely interesting mechanical contraption and replacing one of its covers with a transparent one almost always yields deeply satisfying visuals. And that's the case here with this Ford ...

We earn commissions from purchases you make using links in our articles. Learn more. Most of the time, it’s unnecessary to give your vehicle’s differential cover a second thought; the technology has ...

When it comes to fixing your differential, there’s bad news and good news. The bad news is that differential replacements are expensive, often ranging from $2,500 to $6,000. The good news is that both ...

Changing the car differential oil—it's one of the most-overlooked maintenance tasks on non-FWD light trucks, SUVs, and passenger cars. Because the differential is at the rear and under the car, it ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Changing the car differential oil—it's one of the most-overlooked maintenance tasks ...

Quadruple-digit-horsepower 2003-2004 Terminator Cobras are so commonplace these days that it's easy to forget the cars were designed for nearly one-third that figure. Add sticky tires, hard launches, ...

Your rear differential is one of the most unappreciated parts in your car or truck. It does what might be the hardest job of all of those components, multiplying torque from your transmission and ...