The 7.3L Powerstroke utilizes injector harnesses which live under the valve cover (UVCH). These harnesses live their whole lives in a very harsh environment. They exist in a constant hot oil bath. The … read more

The 7.3’s High Pressure Oil Pump is very reliable (fitting leaks aside…), but it can still fail or simply wear out over time. Diagnosing a failed HPOP can be fairly straightforward. Here& … read more

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff%20Diesel%20HPOP%20JIC%20Hoses%2099-03.pdf Product Links:  HPOP JIC Line - Passenger Side H … read more

If you own a 1994–2000 7.3L Powerstroke, you’re likely missing the benefit of the low-pressure oil mesh screen found on later 2001–2003 models. Most don't understand that the HPOP ta … read more

Removing and reinstalling the HPOP on the 7.3L Powerstroke can cause headaches for many. The mounting bolts are threaded into the aluminum front cover, and well, the threads aren’t exactly the s … read more