Riffraff Diesel Technical Knowledge Center
Top 10 Hard-to-Find or Discontinued Powerstroke Parts Owners Should Replace Before They Disappear
Jun 10th 2026
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,
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7.3 Powerstroke Injector Cup Tool Set (94–03) : The Easy Button For Cup Replacement
Jun 3rd 2026
Injector cups are one of those 7.3 jobs where the tool matters as much as the parts. You’re working right over an open cylinder, and the old-school methods (big taps + slide hammers, or hammerin
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7.3 Powerstroke HPOP Line Disconnect Tool (99–03) | STC Quick Disconnect Removal Tool
Jun 3rd 2026
If you’re working on HPOP lines on a 1999–2003 7.3 Powerstroke, this little tool is the difference between a 30-second job and potentially destroyed or leaking STC fittings (or ones that d
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Go Billet and Delete the Check Valve: Fuel Bowl Billet Stand Pipe Assembly (1994–1997 OBS 7.3 Powerstroke)
May 21st 2026
The OBS (1994–1997) 7.3 Powerstroke fuel bowl stand pipe is a known service headache because the factory piece is plastic, and it’s easy to crack or snap during removal; especially if some
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7.3 Powerstroke Upper Radiator Hose "Around the Belt" - Reroute for Easier Belt Service
May 21st 2026
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 s
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