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?
rr2254545ExplorerNov 14, 2017No question at the pump is cheaper but on my MH 2012 the fill is on the wrong side so I buy it in the 2 1/2 gal jug. Cheapest place I have found it at my diesel repair shop