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&rsqu ...

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 ...

Glow plugs. Things that are often forgotten until running or starting issues arise. Hard cold starts, cold no starts, smoky when cold, rough running when cold, all are common concerns that could be a ...

The stock 6.0L Powerstroke thermostat housing has one job: seal. And then, eventually, it… doesn’t. Corrosion + heat cycles = seepage. Riffraff Diesel has the fix: The 6.0L Billet Thermo ...

The Problem: The factory-installed thermostat housings on the 7.3 and 6.0 Powerstrokes are very prone to corrosion. Corrosion that eventually leads to coolant leaks. Leaks for either engine generally ...

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 he ...

If there’s one thing a 6.0L will do with consistency, it’s find weak sealing surfaces and turn them into an oil “misting” problem making the engine a mess. That’s exactl ...

Do you sell parts for Cummins or Duramax?No, we are currently committed to only the Powerstroke market. Do you sell authentic OEM parts?Yes, we are an Authorized Dealer for Motorcraft, Ford, Interna ...

Merchandise Return PolicyTo ensure your satisfaction, we permit our customers to return items purchased from Riffraff Diesel Inc®, subject to the limitations and procedures set forth below.  ...