BlueDEF Diesel Exhaust Fluid, 2.5 gal

Keep life in drive with BlueDEF Diesel Exhaust Fluid. BlueDEF Diesel Exhaust Fluid combines high purity synthetic urea and deionized water for use in SCR systems on diesel engines. Only BlueDEF is triple-filtered and lab-tested to keep your diesel truck running strong. It meets or exceeds the strictest OEM specifications and industry standards. It is manufactured under ISO 22241 guidelines for DEF and is an American Petroleum Institute (API) certified diesel exhaust fluid.