Riffraff Diesel Technical Knowledge Center

7.3L Powerstroke Injector Tear Down: What's Inside?

7.3L Powerstroke Injector Tear Down: What's Inside?

Posted by Adam Blattenberg on May 5th 2026

The 7.3 Powerstroke’s HEUI injection system relies on oil pressure to fire the injectors. Unlike most light duty diesel injection systems on the road today, where the pump (CP3, CP4, VE, VP, etc … read more