Standard Ignition EFH204 Diesel Exhaust Fluid (DEF) Heater

Reliable Diesel Exhaust Fluid Heater for Volkswagen Passat

The Standard Ignition EFH204 Diesel Exhaust Fluid (DEF) Heater is designed specifically for Volkswagen Passat models. This component ensures optimal DEF temperature regulation, supporting emission control systems in colder climates.

Key Features of the Standard Ignition EFH204 DEF Heater

• Compatible with Volkswagen Passat diesel models
• Maintains proper DEF temperature for efficient emission control
• Durable construction for long-term reliability
• Direct replacement part number EFH204 for easy identification
• Supports emission system compliance with environmental regulations

Product Details and Functionality

The EFH204 Diesel Exhaust Fluid Heater by Standard Ignition is engineered to maintain the DEF solution at an optimal temperature, preventing freezing in low-temperature environments. This heater integrates seamlessly with the emission control system of Volkswagen Passat vehicles, ensuring the DEF fluid remains effective for reducing nitrogen oxide emissions. By maintaining the DEF fluid in a liquid state, the EFH204 helps the vehicle meet emission standards and operate efficiently during cold starts.

Common Issues Addressed by the DEF Heater

• Prevents DEF fluid freezing in cold weather
• Reduces risk of emission system faults related to DEF temperature
• Helps avoid engine derate caused by DEF system malfunctions
• Supports consistent SCR (Selective Catalytic Reduction) system performance
• Minimizes potential for costly emission-related repairs

Installation Notes and Tips

• Ensure vehicle is compatible: Volkswagen Passat diesel models only
• Disconnect battery before installation to prevent electrical issues
• Follow manufacturer torque specifications for mounting hardware
• Inspect DEF lines and connectors for damage during replacement
• Test DEF heater operation after installation to confirm functionality

Quality Assurance and Warranty Information

Standard Ignition manufactures the EFH204 DEF Heater to meet OEM standards for fit and function. While specific warranty details may vary, Standard Ignition parts typically include coverage against defects in materials and workmanship. Using this part helps maintain the integrity of your Volkswagen Passat’s emission control system.