HomeEmission Control > Emission ComponentsStandard Ignition DFI3 Diesel Exhaust Fluid (DEF) Injection Nozzle
Part #: DFI3

Standard Ignition DFI3 Diesel Exhaust Fluid (DEF) Injection Nozzle

20 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$233.81Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ram, 2500 and 3500
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition DFI3 DEF Injection Nozzle

The Standard Ignition DFI3 Diesel Exhaust Fluid (DEF) Injection Nozzle is designed specifically for Ram 2500 and 3500 models. This clear-finished nozzle features a female connector and two male terminals, ensuring precise and reliable DEF delivery for emission control systems.

  • Clear color/finish for easy inspection
  • Female connector with one connection point
  • Two male terminals for secure electrical contact
  • Compatible with Ram 2500 and 3500 diesel models
  • Part number DFI3 for accurate identification

Detailed Product Description

The DFI3 DEF Injection Nozzle by Standard Ignition is engineered to meet the emission control requirements of Ram 2500 and 3500 diesel trucks. Its clear finish allows technicians to visually confirm the condition of the nozzle during maintenance. The single female connector and dual male terminals provide a stable and efficient electrical connection, critical for the precise injection of Diesel Exhaust Fluid. This component plays a vital role in reducing harmful emissions by ensuring the correct amount of DEF is injected into the exhaust stream.

Applications and Problem Resolution

This DEF injection nozzle is used in emission control systems to maintain compliance with environmental regulations and optimize engine performance. It addresses several common issues, including:

  • Inconsistent DEF injection leading to increased emissions
  • Electrical connection failures causing nozzle malfunction
  • Wear or damage to the injection nozzle affecting fluid delivery
  • Emission system fault codes related to DEF injection
  • Reduced fuel efficiency due to improper DEF dosing

Installation Notes and Tips

When installing the Standard Ignition DFI3 nozzle on Ram 2500 or 3500 models, ensure the female connector is securely attached and the two male terminals are properly seated to avoid electrical issues. Inspect the nozzle for any signs of damage before installation. Follow vehicle-specific service manual instructions for DEF system maintenance to ensure optimal performance.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet OEM specifications, providing reliable performance and durability. The DFI3 DEF Injection Nozzle undergoes rigorous quality control to ensure compatibility with Ram 2500 and 3500 diesel models. Warranty coverage details should be confirmed with the product documentation or manufacturer.

BrandStandard Ignition
Part NumberDFI3
Color/FinishClear
Connector GenderFemale
Terminal GenderMale

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2022Ram25006.7LL6N/A
2022Ram35006.7LL6N/A
2021Ram25006.7LL6N/A
2021Ram35006.7LL6N/A
2020Ram25006.7LL6N/A
2020Ram35006.7LL6N/A
2019Ram25006.7LL6N/A
2019Ram35006.7LL6N/A
2018Ram25006.7LL6N/A
2018Ram35006.7LL6N/A
2017Ram25006.7LL6N/A
2017Ram35006.7LL6N/A
2016Ram25006.7LL6N/A
2016Ram35006.7LL6N/A
2015Ram25006.7LL6N/A
2015Ram35006.7LL6N/A
2014Ram25006.7LL6N/A
2014Ram35006.7LL6N/A
2013Ram25006.7LL6N/A
2013Ram35006.7LL6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2-1100034627241AA800-65003DEF3EM1304IJ

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.