Follow along as we install a CAT fuel filter adapter from Sinister Diesel while we rebuild our Duramax fuel filter head with a kit from Merchant Automotive!

At first glance, it appears to be pretty simple to install a new oil or fuel filter on your heavy-duty vehicle: Just line up the threads and give it a spin. This mindset, however, can be dangerous ...

A clean fuel filter in your truck means clean fuel injectors and a clean fuel pressure regulator. Changing the fuel filter also extends fuel pump life. Check with the vehicle manufacturer or ...

In addition to its air-removal capabilities, the Fuel Preporator also features an extended-life filter and a water separator. An optional fuel heater is available, too.

2. Install the Sender Using the supplied bracket, install the sending unit in a dry location at a low point in the line, so that fuel travels up when exiting. It should be downstream from the fuel ...