Standard Ignition EFH205 Diesel Exhaust Fluid (DEF) Heater

Diesel Exhaust Fluid Heater for VW and Porsche

Standard Ignition EFH205 is a Diesel Exhaust Fluid (DEF) heater for select Volkswagen Touareg and Porsche Cayenne diesel applications. It is built with 2 connectors, 8 terminals, and blade-and-pin terminal design for direct replacement service on the listed vehicles.

Key Features

• Diesel Exhaust Fluid (DEF) heater for emission control service
• 2 connectors with oval and rectangle connector shapes
• 8 terminals with blade and pin terminal type
• Direct-fit replacement for select Volkswagen Touareg and Porsche Cayenne models
• Standard Ignition EFH205 replacement part number

Detailed Description

Standard Ignition EFH205 is an emission control component used in DEF heating systems to help maintain proper fluid temperature in diesel exhaust aftertreatment setups. It is listed for 2012-2016 Volkswagen Touareg and 2013-2015 Porsche Cayenne, making it a focused replacement for diesel SUV applications that rely on DEF system performance. This part cross-references Bosch F01C600301 for the same application.

Common Issues This Part May Address

• DEF heater fault codes related to fluid temperature control
• Cold-weather DEF system performance concerns
• Emission system warning lights tied to heater circuit failure
• Reduced DEF flow or delayed system readiness in low temperatures
• Replacement needs after heater element or connector wear

Installation Notes and Tips

Verify connector shape, terminal count, and vehicle fitment before installation. This EFH205 heater does not include a gasket, hose, mounting hardware, or O-ring, so inspect the existing sealing and mounting components during service. Confirm the original part number and compare the OE connector layout on the Volkswagen Touareg or Porsche Cayenne before replacing the unit.

Quality Assurance

Standard Ignition supplies emission control replacement parts for service applications, and EFH205 is cataloged as a direct replacement for the listed diesel vehicles. Always confirm fitment by year, make, and model before ordering.