NO DEF NEEDED. 1-OWNER. Crazy clean truck. Heres what is done to every single 6.7L PowerStroke at Huntsman Wholesale: Full engine oil and filter change. New upper and lower fuel filters. New air filter. New crankcase ventilation (CCV) filter (2023-updated design). Transmission fluid and filter service (changed if due or needed). Front and rear differential fluid inspection and replacement if needed. Complete brake inspection and replacement of pads, rotors, or any components. New tires installed if tread is below 50%. Batteries tested and replaced if over 2 years old. Shakedown road test front axle, rear axle, suspension, driveline, and 4x4 function all verified. Full electrical system diagnostic (wiring, glow plugs, injectors, sensors, modules, alternator, etc.) Frame, cab, and bed thoroughly checked for rust or previous damage. Complete professional interior and exterior detailing.