Please weigh in on which is the best oil for 5th gen 2500 with 6.7 L diesel. I'm in northern California and I might see temperature as low as 10 F on rare occasion in the mountains, but usually climate is more temperate.
Manual says to use SAE 10W-30. Internet says that Cummins specifically...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.