2019-2025 Cummins 6.7L Banks Revolver Billet Diesel & DEF Caps (66700)

Prevents debris from entering the fuel and DEF filler necks on your 5th Gen RAM. CNC precision machined 6061 aluminum, these magnetic diesel and DEF filler caps not only look good but also conveniently attach to your filler door when not in use. Twist-to-lock with a Viton O-ring for no leaks.