Spectra Premium diesel exhaust fluid heaters feature a precisely calibrated heater and temperature sensor to ensure the DEF does not freeze during normal vehicle operation. The DEF heater also provides a reliable and accurate fluid level indicator to ensure the tank is not depleted of DEF, which can consequently illuminate the check engine light and limit the vehicle's operating speed.

• Designed to OE fit, form and function
• OE style connector for a plug & play installation
• Fit and leak tested in the DEF tank to ensure the Diesel Exhaust Fluid does not leak into the environment
• Manufactured with high quality materials for extended durability against highly corrosive Diesel Exhaust Fluid
• Rigorous ISO control quality process