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International T-442 RTV Silicone (1830858C1): the OEM grey sealant 7.3 owners actually trust

If you’ve ever scraped factory RTV off a 7.3 and thought, “Why can’t all sealant work like that?”—you’re thinking of International T-442 RTV Silicone, part number 1830858C1. In the Powerstroke world,

9007 to 9008/H13 Headlight Conversion Pigtail: Plug And Play Super Duty Lighting Upgrade

Looking to upgrade the headlights in your 1999-2004 Super Duty? The headlights found on 2005-2007 Super Duty's are a great option. Not only do they look better than their predecessor (1999-2004), they

The AIH Delete Plug: What it is and why it's needed

The air intake heater (AIH) is designed to help heat the intake air charge, making cold starts easier and less smoky. However, many remove it for increased airflow and/or because they're tired of fixi

Riffraff Diesel Billet Oil Filter Housing Cap for 6.0L / 6.4L Powerstroke (2003–2010)

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. Our so

7.3 Injector Cup Replacement Made Easy: Riffraff Diesel 7.3L Injector Cup/Sleeve Tool

Our Patented Injector Cup/Sleeve Tool Set for the Ford 7.3L Powerstroke Diesel is the result of 12 years of refinement by 7.3L enthusiasts. 12 years of testing and tweaking until it was absolutely per

Why It's Needed: 1999–2016 Super Duty Front Wheel Bearing Grease Tool (ABS Block Off Fitting) Dana 50/60

Ford’s Dana 50/60 front wheel bearings (1999–2016 Super Duty 4x4) aren’t designed to be regularly serviced or greased—which is a big part of why unit bearings can feel like a “replace, don’t maintain”

7.3 Powerstroke Upper Radiator Hose "Around the Belt" - Reroute for Easier Belt Service

If you own a 1999–2003 Ford 7.3 Powerstroke, you’ve probably noticed the factory upper radiator hose routing is not the greatest. On late ’99–’03 trucks, the stock hose snakes through the serpentine b

7.3 Powerstroke Up Pipes: Step By Step How To Installation

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff_Diesel_Bellowed_Up-Pipe_Instructions.pdf Parts Link: Riffraff Diesel Bellowed Up-pipe Kit 94-Ea

5R110 TorqShift, Common Problems: Symptoms, Causes, and Diagnostic Tips

The 5R110 TorqShift used behind the 6.0L and 6.4L Power Stroke is a strong transmission, but just like anything else, it's not bullet proof and will need repair from time to time. Fluid, electrical, h

John Wood 4R100 Transmission Valve Body Upgrade: Step By Step How To

Recommended Tools: 8mm socket 10mm socket Extension for 10mm socket In‐lb torque wrench Drain pan Bag of oil dry or plastic sheet Recommended Items: Transmission fluid ( 5‐7 qts. may be required

Engine Harness Assemblies: Why OEM Is The Way To Go

On a 20+ year old 7.3, the harness usually doesn’t “die” all at once. It fails the annoying way: intermittent faults, weird codes, random driveability issues, and electrical gremlins that disappear th

7.3 Power Stroke 6637 Filter Mod (BHAF): More Airflow, More Filter Area, Simple Install

The 6637 filter modification (often called the BHAF – Big Honkin’ Air Filter) is the classic 7.3 Power Stroke intake upgrade: replace the restrictive stock airbox with a large, heavy-duty style cylind

Electronic Repair - When you can't buy new, or fix it yourself, where do you go?

We started this blog as a way to help our fellow Powerstroke owners keep their trucks on the road and running great. We’ve shared tons of tips and tricks to help you do just that, but often we use com

Terms and Conditions

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...

7.3L Hydra and Other Popular Tuning Systems

Tuning is the quickest and biggest bang for your buck modification in terms of adding horsepower and improving drivability. The OE manufacturers did a good job tuning the 7.3 out of the factory, but o

6.0L Powerstroke VGT Turbo Rebuild: Full How To Step By Step Instructions

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/6.0L_Turbo_Rebuild_Instructions.pdf Product Link: https://www.riffraffdiesel.com/6-0l-vgt-turbo-rebuild-k

Blown Boots: Why It Happens; How To Prevent It; And How To Install New Boots Correctly

Installing intercooler boots—often called CAC (Charge Air Cooler) boots—is one of the most common troubleshooting requests we receive, especially from owners dealing with repeated boot blowoffs or per

What Is It? - The PHP Hydra Flash Titan Tune Unlock for 7.3 Powerstroke

The PHP HydraFlash Titan Tune Unlock (PHP-TITAN) is the add-on for 7.3 owners running a Hydra Tuner with modified single-shot injectors. Modified single shot injectors take special tuning not offered

Upgrade Your 7.3's CCV System: Crankcase Vent Billet Doghouse CCV Cover 94-03

Upgrade your 7.3L truck’s crankcase ventilation system with the Riffraff Diesel Billet Doghouse CCV Cover (94–03). Machined from 6061-T6 billet aluminum and anodized for durability, this cover deliver

OBS 7.3 to Super Duty UVCH Mod: Better connections, better operation

If your OBS 7.3 (’94.5–’97) has random misses, contribution codes, rough cold starts, or the classic “it runs better when I wiggle the valve cover plug”… you’re not imagining it. The under-valve-cover