Fuel leaks on the 7.3 Powerstroke are one of those problems almost every owner will deal with sooner or later. While these trucks can seep fuel from a few different places, the fuel filter housing (fu … read more

If you tow with a 1999–2003 7.3L Super Duty, you already know the weak link isn’t usually the engine—it’s usually 4R100 transmission heat issues. That’s where the Gradien … read more

If you’ve owned a 1999–2003 7.3 Powerstroke long enough to do a few fuel filters, you’ve probably met the factory fuel bowl cap in its natural habitat: tired, stripped out, and one b … read more

“Towing mods” on a 6.0L Powerstroke aren’t just about making more power. Under load, the usual villains show up: boost leaks, fuel pressure drop, and heat (oil temp, coolant temp, tr … read more

The factory 6.0L / 6.4L oil filter housing cap gets removed constantly, heat-cycled constantly, and (let’s be honest) occasionally over-tightened. It lives a rough life, especially for plastic. … read more