What is the best exhaust fluid to use in my 2012 6.6 Duramax? is there much difference between them? I have seen quit a bit of difference in price from one to the other. Thanks for the info.
Barry
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What is the best exhaust fluid to use in my 2012 6.6 Duramax? is there much difference between them? I have seen quit a bit of difference in price from one to the other. Thanks for the info.
Barry
I'd use a national brand that you're familiar with or recognize, and that has a certification on its label.
Your owner's manual should have guidance on choice of DEF.
Jim
I use Terra Caire but couldn't tell you if it's good or bad other than it works.