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  1. J

    Oil suggestions

    Sorry bout that , 3.0L 3rd gen diesel Big horn 4x4 2022 Thanks, I kinda feel the same way,, don't want to lose warranty over something stupid like ms 12991 label
  2. J

    Oil suggestions

    Thank you
  3. J

    Oil suggestions

    I guess that would help, ram 1500 3.0L diesel 4x4 big horn 2022. So I wouldn't want to lose the warranty from using diesel oil without ms-12991
  4. J

    Oil suggestions

    Anyone using amsoil signature max diesel oil 5w 40 and how important is ms12991
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