/live/media/SI/SI_DFI13_Fro.jpg)
OE Quality
60-Day Returns
Standard Ignition DFI13 Diesel Exhaust Fluid (DEF) Injection Nozzle
Diesel Exhaust Fluid Injection Nozzle for GM HD Diesel Applications
Standard Ignition DFI13 is a diesel exhaust fluid (DEF) injection nozzle for select Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD diesel applications. It is built with a female connector, bolt-on mount type, and an included O-ring for service replacement on the DEF dosing system.
Key Features
- Diesel exhaust fluid (DEF) injection nozzle for emission control service
- Female connector with 1 connector and 2 female terminals
- Bolt-on mounting style for direct replacement service
- O-ring included for sealing at the installation point
- Compatible with 2017-2019 Chevrolet Silverado 2500 HD and Silverado 3500 HD
- Compatible with 2017-2019 GMC Sierra 2500 HD and Sierra 3500 HD
Detailed Description
Standard Ignition DFI13 is a DEF injection nozzle used in the emission control system to deliver diesel exhaust fluid into the exhaust aftertreatment stream. This part number is a direct service option for 2017-2019 Chevrolet Silverado 2500 HD, 2017-2019 Chevrolet Silverado 3500 HD, 2017-2019 GMC Sierra 2500 HD, and 2017-2019 GMC Sierra 3500 HD diesel trucks. The bolt-on design, female connector, and included O-ring support a secure replacement at the original mounting location. Standard Ignition DFI13 also cross-references Motorad DEF102 for the same application.
What It Helps Address
- DEF injector leakage at the nozzle seal
- Faults related to poor DEF spray delivery
- Emission system service needs on GM HD diesel trucks
- Connector or terminal mismatch during replacement
- Mounting issues at the DEF injection point
Installation Notes and Quality Assurance
Verify connector style, terminal configuration, and mounting location before installation. Clean the mounting surface, inspect the DEF line and surrounding components, and replace any damaged sealing surfaces as needed. Standard Ignition DFI13 is intended for service replacement in the emission control system and is listed for the vehicle applications shown above.
| Brand | Standard Ignition |
|---|---|
| Part Number | DFI13 |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Mount Type | Bolt on |
| Mounting Hardware Included | No |
| O Ring Included | Yes |
| Terminal Gender | Female |
| Terminal Quantity | 2 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | |
| 2019 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | |
| 2019 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | |
| 2019 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | |
| 2018 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | |
| 2018 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | |
| 2018 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | |
| 2018 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | |
| 2017 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | |
| 2017 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | |
| 2017 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | |
| 2017 | GMC | Sierra 3500 HD | 6.6L | V8 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.