Skyward Automotive Products SK904398 Diesel Exhaust Fluid DEF Heater

The Skyward Automotive Products (SKP) SK904398 is a direct-fit replacement Diesel Exhaust Fluid (DEF) Heater designed to restore proper SCR (Selective Catalytic Reduction) system function. The DEF heater is a critical emissions system component that prevents diesel exhaust fluid from freezing in cold temperatures, ensuring uninterrupted delivery to the SCR catalyst for effective NOx reduction.

Engineered to meet or exceed OEM specifications, this SKP replacement heater restores factory heating performance and integrates seamlessly with the vehicle's existing DEF tank and sensor assembly. Proper DEF heater function is essential for passing emissions inspections and preventing fault codes related to the SCR system.

Key Features:

• Direct OEM-replacement design for precise fit and function
• Restores proper DEF fluid heating to prevent freezing in cold climates
• Supports correct NOx reduction via the Selective Catalytic Reduction (SCR) system
• Manufactured to meet or exceed original equipment specifications
• Helps eliminate SCR/DEF-related diagnostic trouble codes (DTCs)
• Premium materials engineered for durability and long service life

The SKP SK904398 DEF heater is a reliable, cost-effective alternative to dealer-sourced OEM parts, backed by Skyward Automotive's commitment to quality aftermarket components.