Paul127ExplorerNov 14, 2017DEF AdditiveHas anyone done the cost comparison for the cost of DEF at the pump compared to at the store in a container? Which is cheaper?
fairway2002ExplorerNov 15, 2017I get mine from O'Reilly's ($95 business account) in 55 gal. Bought a Def pump. Works great. Do not use a cheap oil pump. Def killed it.