Dorman 904-393 Diesel Exhaust Fluid (DEF) Heater for Specific Ford Models

Upgraded replacement - this diesel exhaust fluid (DEF) heater features additional protection from fluid intrusion Restores performance - designed to match the fit and function of the original equipment part Thoroughly tested - each design undergoes cyclical heater element fatigue testing Trustworthy quality - backed by team of engineers in the United States Vehicle model years this part fits: Ford F-350 Super Duty: 2011, 2012, 2013, 2014, 2015, 2016 Ford F-450 Super Duty: 2011, 2012, 2013, 2014, 2015, 2016 Ford F-550 Super Duty: 2011, 2012, 2013, 2014, 2015, 2016