Standard Ignition DFI7 Diesel Exhaust Fluid (DEF) Injection Nozzle

Diesel Exhaust Fluid Injection Nozzle for Mercedes-Benz Diesel Applications

The Standard Ignition DFI7 Diesel Exhaust Fluid (DEF) Injection Nozzle is a direct-fit emission control component for select Mercedes-Benz diesel models. It is built with a female connector, one connector cavity, male terminals, and two terminals for straightforward electrical connection in the DEF dosing system.

Compatible With Mercedes-Benz GLK250, ML250, Sprinter 2500, Sprinter 3500, E350, and R350 applications, this DEF injection nozzle supports precise diesel exhaust fluid delivery in the aftertreatment system. The Standard Ignition DFI7 is a practical replacement choice when servicing emission components on Mercedes-Benz diesel vehicles.

Key Features

• Diesel Exhaust Fluid (DEF) injection nozzle for emission control service
• Female connector with one connector cavity
• Male terminals with two-terminal electrical interface
• Direct-fit replacement for select Mercedes-Benz diesel applications
• Standard Ignition DFI7 part number for catalog matching and service lookup

Fitment Details

• Fits 2013-2015 Mercedes-Benz GLK250, N/A
• Fits 2015 Mercedes-Benz ML250, N/A
• Fits 2010-2015 Mercedes-Benz Sprinter 2500, N/A
• Fits 2010-2015 Mercedes-Benz Sprinter 3500, N/A
• Fits 2011-2013 Mercedes-Benz E350, N/A
• Fits 2010-2012 Mercedes-Benz R350, N/A

What This Part Helps Address

• DEF dosing faults related to injector performance
• Emission system warning lights tied to the SCR/aftertreatment system
• Uneven or restricted DEF delivery at the nozzle
• Service replacement for a damaged or corroded DEF injector connection
• Maintenance needs on Mercedes-Benz diesel emission components

Installation Notes and Tips

Verify connector style, terminal configuration, and vehicle application before installation. The Standard Ignition DFI7 should be matched to the original DEF injection nozzle location and electrical interface on the vehicle. For best results, inspect the surrounding DEF lines, seals, and related emission components during service.

This part cross-references 800-65007 and 1644900213 for the same application.

Quality Assurance

Standard Ignition supplies replacement emission control components for service-focused repairs. The DFI7 is cataloged for specific Mercedes-Benz diesel applications to support accurate part matching during DEF system maintenance.