Allied Oil & Supply, Inc’s Diesel Exhaust Fluid

Diesel Exhaust Fluid (DEF) in one of the key elements involved in the reduction of diesel engine emissions for engines equipped with Selective Catalytic Reduction (SCR) systems. It is a nontoxic solution of 67.5% De-inonized (de-mineralized) water and 32.5% automotive grade urea.

What Allied Provides for DEF


Allied Oil provides four different sizes available for purchase. Bulk, 330 gal totes, 55 gal drumns, 2.5 gal cases.


Don’t have the equpiment for DEF? No problem. Allied can provide loaner equpiment for tanks and pumps needed for DEF.


Allied Oil uses Centeron to help you monitor your DEF tank levels. Allied will be alerted two times a week on your tanks levels.


Are you having issues with your pump? Or do you need a new tank? Allied can help because we offer maintenance work on everything we do.