SKP SK904399 Diesel Exhaust Fluid (DEF) Heater

DEF Heater for Ford Super Duty Diesel Applications

The SKP SK904399 Diesel Exhaust Fluid (DEF) Heater is a direct-fit emission control component for select Ford Super Duty diesel trucks. It is built for 2011-2016 Ford F-350 Super Duty and 2016 Ford F-250 Super Duty applications, helping restore proper DEF system operation when the original heater fails.

Key Features

• Diesel Exhaust Fluid (DEF) heater for emission control system service
• Compatible with 2016 Ford F-250 Super Duty and 2011-2016 Ford F-350 Super Duty
• OE-style replacement for common DEF heater service needs
• Cross-references Dorman - OE Solutions 904-393 and Standard Ignition EFH202 for the same application
• Part number SK904399 for easy identification

Detailed Description

SKP SK904399 is a DEF heater used in the diesel exhaust fluid system to support proper fluid temperature management in cold conditions. For Ford F-250 Super Duty and Ford F-350 Super Duty diesel trucks, a failed heater can trigger emission system faults and reduce DEF system performance. This replacement part is intended to restore normal operation in the affected Super Duty applications while matching the original service fitment.

Common Issues This Part May Resolve

• DEF system warning lights or emission-related fault codes
• Frozen or poorly conditioned diesel exhaust fluid in cold weather
• Reduced DEF heater function in the emission control system
• Service issues tied to a failed heater in 2016 Ford F-250 Super Duty or 2011-2016 Ford F-350 Super Duty trucks

Installation Notes and Tips

Verify the vehicle year, model, and emission system configuration before ordering. Confirm the original part number SK904399 against the removed component and inspect related DEF system connectors, lines, and sensors during service. Professional installation is recommended for emission control repairs on Ford Super Duty diesel applications.

Quality Assurance

SKP replacement parts are built for direct-fit service applications and are identified by part number SK904399 for accurate ordering and catalog matching.