Riffraff Diesel Technical Knowledge Center
WARN Premium Hub Set (38826): manual 4x4 hubs that actually stay locked
May 1st 2026
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
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Top 10 7.3 Powerstroke Parts to Replace Before They Leave You Stranded
Apr 29th 2026
The 7.3L Powerstroke has earned its reputation the honest way: by generally refusing to die for decades. But even the best diesel ever stuffed into a Ford pickup is still attached to 20-plus-year-old
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Top 9 - 6.0 Powerstroke Problems That Get Worse When You Tow
Apr 29th 2026
The 6.0L Powerstroke can tow extremely well, when it’s healthy. The problem is that towing exposes every weak link. Heat climbs, boost demand increases, fuel demand goes up, and the high-pressur
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7.3L Powerstroke HPOP Replacement - Step By Step How To
Apr 24th 2026
If you are replacing the HPOP on a 7.3L Powerstroke, having a step-by-step guide matters. These instructions cover the required parts, recommended tools, pump installation, IPR reassembly, oil refill,
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7.3 Powerstroke Fuel Feed Line Kit (99–03): Stainless Braided JIC Upgrade
Apr 23rd 2026
Why 7.3 owners replace the factory hard lines
The OEM hard lines from the fuel bowl to both heads are known for being worn, restrictive, and failure-prone as trucks age—and when one breaks, it&r
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