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
bbaker2001 wrote:
well, I am down to just over 1/4 tank left on 2015 Ram 3500
had taken truck in to dealer for a look at the exhaust brake. he quoted me 35.00 for each 2 1/2 gal containers.
stopped by Wal-Mart. SuperTech 7.88 Blue Def is 11.97. can I use the Wal-Mart brand DuperTech without warranty problems
There have been reports that some dealers have denied (or attempted) warranty claims on DEF system repairs if the owner admits to using non MOPAR DEF. The owners manual does not require the use of MOPAR DEF. But that does not mean you'll have an easy time of it if your dealer is an a**.
