Autotecnica FD0312931 Diesel Exhaust Fluid (DEF) Heater

Ford Super Duty DEF Heater Replacement

Restore proper diesel exhaust fluid heating performance with this Autotecnica DEF heater, part number FD0312931. It is built for guaranteed fitment and matches the function and performance of the factory unit to help maintain correct aftertreatment system operation.

• Direct-fit Autotecnica replacement for diesel exhaust fluid heater service
• Matches factory DEF heater function and performance
• Quality materials and factory testing for durability and reliability
• Inside diameter: 110.5
• 1 electrical connector
• Black PA 66 housing
• Mounting hardware included

Fitment Details

• Fits 2011-2016 Ford F-250 Super Duty, N/A
• Fits 2011-2016 Ford F-350 Super Duty, N/A

This Autotecnica FD0312931 is a direct replacement DEF heater for Ford F-250 Super Duty and Ford F-350 Super Duty diesel applications. It cross-references Dorman OE Solutions 904-372 for the same application.

What It Helps Address

• DEF heater failure that can affect fluid warming
• Aftertreatment system faults related to DEF temperature control
• Cold-weather DEF flow or heating concerns
• Warning lights tied to emission system performance
• Replacement needs for a worn or damaged factory heater

Installation Notes

Verify connector style, housing dimensions, and vehicle fitment before installation. This unit uses one electrical connector and a PA 66 housing with a black finish. Confirm the mounting location and transfer any required vehicle-specific components during service.

Quality Assurance

Autotecnica manufactures this DEF heater using quality materials and factory testing to support durability and reliable operation. It is backed by a 24 Month Unlimited Mileage Warranty.