Dorman 904-393 diesel exhaust fluid (def) heater for the 2011-2016 Ford F-350 Super Duty V8 6.7L and other vehicles heats the fluid in the DEF system. The factory heater on certain vehicles often fails from fluid intrusion, and this OE FIX design modifies the OEM design to address that failure point.
- Upgraded design with added protection from fluid intrusion
- Cyclical heater element fatigue testing on each design
- Plastic housing with a 115 mm inside diameter
- Seven-terminal electrical connector with female inlet and outlet fittings
Quick facts
- Part: Dorman 904-393 diesel exhaust fluid (def) heater
- Fits: 2011-2016 Ford F-350 Super Duty V8 6.7L and other vehicles
- Material: Plastic housing
- Condition: New
A DEF warning light or a heater fault code can mean the heater has failed, though other parts can produce the same signs. Before replacing it, look over the connector and wiring for damage or fluid residue with the engine off and cool. If this heater is the cause, this unit replaces it.
Fits
It fits the 2011-2016 Ford F-350 Super Duty V8 6.7L, the 2011-2016 Ford F-450 Super Duty V8 6.7L and the 2011-2016 Ford F-550 Super Duty V8 6.7L. Each of them takes one heater.
Specifications
Fit and size
- Quantity per vehicle: 1
- Inside diameter: 115 mm
- Height: 285 mm
- Electrical connector terminals: 7
- Inlet and outlet fittings: female
Build and materials
- Housing material: plastic
- Wire insulation material: plastic
- Condition: new
- Country of origin: China
In the box
One diesel exhaust fluid (def) heater with mounting hardware. A hose is not included.
Interchange: F01C600332 · BC3Z5J225K · BC3Z5J225M · SK904399 · EM1506URH · EFH202
This part cross-references / interchanges with the following part numbers:
F01C600332, BC3Z5J225K, BC3Z5J225M, SK904399, EM1506URH, EFH202
Frequently Asked Questions
Is this Dorman DEF heater the right one for a 2011-2016 Ford F-350 Super Duty V8 6.7L?
Yes. Dorman 904-393 fits the 2011-2016 Ford F-350 Super Duty V8 6.7L, and that truck takes one heater.
Does the 904-393 heater come with mounting hardware and a hose?
It comes with mounting hardware, but a hose is not included. The package holds one diesel exhaust fluid (def) heater.
What are the inside diameter and height of the Dorman 904-393 heater?
Dorman 904-393 has a 115 mm inside diameter and is 285 mm tall, with a plastic housing.
Is the heater element on this DEF heater fatigue tested?
Yes. Each design undergoes cyclical heater element fatigue testing.
Is BC3Z5J225K an interchange number for this DEF heater?
Yes. BC3Z5J225K is on the interchange list for Dorman 904-393, along with BC3Z5J225M and F01C600332.
