r/4thGenCummins

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Personalized Help/Support for Diesel owners

u/FL_uS_mm3_91 — 2 days ago

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Tune help 2011 6.7 in comments

u/Unlikely_Back_4248 — 10 days ago

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3rd gen Cummins 6.7 trans concern

u/According-Nose5452 — 12 days ago

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No heat in truck I’ve change blend door actuator and also flushed heater core??

u/UnableGo1 — 26 days ago

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Best bang for the buck mods ???

u/UnableGo1 — 20 days ago