DEF fluid
Is all DEF fluid the same? I usually buy the Blue DEF but it's now about $20. Our local hardware store has the Blue DEF and another one that is $12.99. I did buy the Blue DEF but just wondered if the ...
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Or buy the Walmart Brand for $9 to $12 for 2 1/2 Gal. Been using it since 2005 in three different trucks and no issues.
