Forum Discussion
Cummins12V98
Oct 21, 2018Explorer III
I'm betting your DP is pre emissions 07 or older. If so AMZ/OIL is one of the few that still offers NON LE 15-40. I have had excellent Blackstone reports running this in my Cummins engines and the LE 15-40 in the newer trucks.
Report from 45k change at 15K interval.

Report from 45k change at 15K interval.

About Technical Issues
Having RV issues? Connect with others who have been in your shoes.24,240 PostsLatest Activity: May 01, 2025