Standard Ignition DFI8 Diesel Exhaust Fluid (DEF) Injection Nozzle

Diesel Exhaust Fluid Injection Nozzle for Select Audi, Porsche, and Volkswagen Models

Standard Ignition DFI8 is a diesel exhaust fluid injection nozzle for emission control service on select Audi, Porsche, and Volkswagen applications. It uses a female connector with one connector cavity and male terminals with two terminals for direct electrical interface in the DEF dosing system.

Key Features

• Diesel Exhaust Fluid (DEF) injection nozzle for emission control systems
• Female connector with 1 connector quantity and male terminals with 2 terminal quantity
• Direct-fit service part for select diesel applications
• Cross-references OE and aftermarket part numbers for the same application
• Standard Ignition DFI8 fitment covers Audi Q7, Audi A7 Quattro, Porsche Cayenne, Volkswagen Touareg, and Volkswagen Passat

Detailed Description

Standard Ignition DFI8 is built for DEF injection service in diesel exhaust aftertreatment systems. The connector design and terminal layout support the electrical connection required by the dosing nozzle, helping maintain proper fluid delivery into the exhaust stream. This part number is used on 2010-2015 Audi Q7, 2014-2015 Audi A7 Quattro, 2013-2015 Porsche Cayenne, 2010-2015 Volkswagen Touareg, and 2012-2014 Volkswagen Passat. This part cross-references OE and aftermarket numbers such as 3C0131113B and 800-65008 for the same application.

What It Is Used For

• DEF dosing nozzle replacement when the original unit is no longer functioning correctly
• Emission system faults related to diesel exhaust fluid injection
• Improper DEF spray delivery into the exhaust aftertreatment system
• Check engine lights tied to DEF injector circuit or dosing performance
• Service on Audi Q7, Audi A7 Quattro, Porsche Cayenne, Volkswagen Touareg, and Volkswagen Passat diesel emission systems

Installation Notes and Tips

Verify connector style, terminal count, and vehicle application before installation. Confirm the part number DFI8 against the original component and inspect the DEF system for contamination, crystallization, or wiring damage that could affect nozzle operation. Use the vehicle-specific service procedure for removal and replacement.

Quality Assurance

Standard Ignition supplies emission control components for service applications, and DFI8 is cataloged for direct replacement use on the listed vehicles.