Injector cups (aka injector sleeves) are the thin barrier that keeps high-pressure fuel and engine coolant from turning into one nasty mix. When that barrier fails, the usual concernt is fuel in the c

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 bad day away from l

Parts Required: Riffraff Diesel Billet Compressor Wheel - Ported Housing: Part# RDP-703697-0001 Garrett Compressor Housing O-ring: Part# GZ-14-010 Turbo Pedestal O-ring Kit: Part# GZ-9-003   Recommen

Good clean oil is extremely important to a 7.3L. Moreso than for most other engines. That's because the oil is used differently than with most other engines. The 7.3L injection system is more like a h

The 7.3L Power Stroke’s HEUI system runs on high-pressure oil, and the Injection Pressure Regulator (IPR) controlls how much oil the HPOP actually sends to the injectors. When the IPR is happy, the tr

The 6.0L Powerstroke platform is known for its performance potential, but also for a set of well-documented reliability concerns that the aftermarket has worked hard to solve. Across thousands of cust

The 6.0L Powerstroke gets blamed for everything. Some of it is fair. Some of it is just people ignoring $40 problems until they turn into $4,000 problems. Not every fix needs head studs, an EGR cooler

The 7.3L Powerstroke is reliable, but it’s not magic. It still has 20-plus-year-old seals, sensors, wiring, filters, and plastic bits trying to survive heat, oil, fuel, vibration, and whoever owned th

The 7.3L Powerstroke diesel (1994–2003) is widely regarded as one of the most durable diesel truck engines ever produced. Known for its longevity, simplicity, and mechanical reliability, the 7.3 still

If you’re done trusting (and fighting) the aging factory 4x4 hubs (or anything with plastic where it shouldn’t be), the WARN Premium Hub Set (38826) is the industry-standard fix: all-metal constructio

If you’ve got oil pooling in the 7.3 engine valley (under the fuel bowl/HPOP area), the HPOP is always on the suspect list—especially the rear/end plug and the high-pressure discharge fittings. You ca

Parts Required: TP38 360 Bearing Rebuild Kit 94-97: Part# TP-360-OBS   Recommended Parts/Tools: Riffraff Diesel Billet Compressor Wheel 94-03: Part# RDP170293 Garrett TP38 Compressor Housing O-rin

Required Parts: Garrett TP38 Journal Bearing Rebuild Kit 94.5-97 (472617-0000) Borg Warner Anti-Surge Compressor Wheel (Optional) (170293) Riffraff Diesel Billet Compressor Wheel (Optional upgrade ov

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff_Diesel_Ported_Housing_Instructions.pdf Product Link: https://www.riffraffdiesel.com/riffraff-die

One of the most common repairs made to the venerable 7.3L Powerstroke, is the dipstick tube adapter. Simply put, it leaks. The adapter form Ford/International is a three-piece part consisting of the d

The Problem: Turbo failure, it's not if, but when you'll deal with it. There's multiple ways to go about fixing your turbocharger woes. Hands down the least expensive, rebuild it yourself. It's easier

Product Application and InstallationRiffraff Diesel Inc® will not be held responsible for products that are ordered, installed, or received incorrectly. It is the end purchaser/users/installers...

Older Powerstrokes are great because they’re simple, durable, and still worth fixing. The downside? Some of the factory parts are getting harder to find, more expensive, discontinued, obsolete, or rep

Blown boots are some of the most common concerns in all of diesel. Just about everyone has delt with one, and when it happens, it’s always during a high stress situation. You’re towing heavy up a grad

The blue spring upgrade exists because the 6.0L Powerstroke has a fuel pressure problem that usually starts small, stays hidden, and eventually gets expensive. From the factory, the regulator in the f