SKP SK904396 Diesel Exhaust Fluid (DEF) Heater

DEF Heater for Silverado and Sierra HD

SKP SK904396 is a Diesel Exhaust Fluid (DEF) heater for select 2010-2012 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD diesel applications. It is a direct-fit emission control component for trucks that need reliable DEF temperature management in cold-weather operation.

Key Features

• Diesel Exhaust Fluid (DEF) heater for emission system service
• Fits 2010-2012 Chevrolet Silverado 2500 HD and Silverado 3500 HD
• Fits 2010-2012 GMC Sierra 2500 HD and Sierra 3500 HD
• SKP SK904396 replacement part number for targeted fitment
• Cross-references Bosch F01C600335 for the same application
• Also cross-references 22872118 and F01C600307

Detailed Description

SKP SK904396 is built for diesel trucks that rely on DEF system temperature control to maintain proper emission system operation. This DEF heater serves the Silverado and Sierra HD platforms listed above, making it a focused replacement for trucks in the 2500 HD and 3500 HD range. If you are servicing a 2010-2012 Chevrolet Silverado 2500 HD, 2010-2012 Chevrolet Silverado 3500 HD, 2010-2012 GMC Sierra 2500 HD, or 2010-2012 GMC Sierra 3500 HD, this part number provides the correct application match.

This part cross-references Bosch F01C600335 for the same application.

Common Issues Addressed

• DEF system heater fault codes
• Cold-weather DEF freezing concerns
• Emission system warning lights related to DEF temperature control
• Improper DEF heater operation in diesel exhaust aftertreatment systems
• Service replacement for a failed heater on Silverado and Sierra HD trucks

Installation Notes and Tips

Verify the part number and vehicle application before installation. Confirm the truck is a 2010-2012 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, or GMC Sierra 3500 HD equipped with the matching DEF/emission system configuration. Inspect related DEF system connectors, wiring, and surrounding components during service to help ensure a complete repair.

Quality Assurance

SKP SK904396 is an emission control replacement part built for the listed heavy-duty diesel applications. Use the confirmed fitment data and cross-reference numbers to match the correct DEF heater for your truck.