Which brand of def fluid.
Was talking to the commercial truck guy at a ram dealer and he said they recommend using mopar brand def fluid in the cummins hd diesel.true or false.
Forum Discussion
FishOnOne wrote:Drifter1959 wrote:
Peak Blue DEF 2.5 Gal is $10.94 at Sam's Club and $8.58 at Walmart!
You're welcome!
Thanks for the tip... I just changed the oil and I always fill the DPF as part of my oil change.
No big deal... :B
Wrong Blue, you need the Oval stuff.
