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Standard Ignition DFI2 Diesel Exhaust Fluid (DEF) Injection Nozzle
Overview of Standard Ignition DFI2 DEF Injection Nozzle
The Standard Ignition DFI2 Diesel Exhaust Fluid (DEF) Injection Nozzle is designed for precise emission control in select Chevrolet and GMC diesel engines. Engineered to meet the specifications for Lgh and lml engine ID codes, this gray-finished nozzle ensures proper DEF delivery for optimal exhaust treatment.
- Compatible with Chevrolet and GMC diesel models including Express 2500/3500, Savana 2500/3500, Sierra 2500 HD/3500 HD, and Silverado 2500 HD/3500 HD
- Engine ID Code compatibility: Lgh and lml
- Engine VIN Code compatibility: L and 8
- Durable gray finish for corrosion resistance
- Part number DFI2 for easy identification and replacement
Product Details and Specifications
The DFI2 DEF Injection Nozzle from Standard Ignition is specifically designed to fit diesel engines with Lgh and lml engine ID codes, commonly found in heavy-duty Chevrolet and GMC trucks and vans. This component plays a critical role in the selective catalytic reduction (SCR) system by injecting the correct amount of Diesel Exhaust Fluid into the exhaust stream. The gray finish provides added protection against harsh operating conditions, ensuring consistent performance over time. The nozzle is compatible with engine VIN codes L and 8, making it suitable for a range of applications within the specified vehicle models.
Applications and Problem Resolution
This DEF injection nozzle is used in emission control systems to reduce nitrogen oxide (NOx) emissions in diesel engines. It addresses several common issues:
- Inconsistent DEF injection leading to increased emissions
- Clogged or malfunctioning nozzles causing SCR system faults
- Reduced fuel efficiency due to improper DEF dosing
- Check engine light triggered by emission control errors
- Failed emissions tests related to DEF system performance
Installation Notes and Tips
Installation of the Standard Ignition DFI2 nozzle should be performed by a qualified technician familiar with diesel emission systems. Ensure the engine is cool and the DEF system is depressurized before removal. Clean the nozzle mounting area to prevent contamination. Verify compatibility with engine ID and VIN codes prior to installation. After installation, perform a system check to confirm proper DEF flow and SCR operation.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards for fit and function. The DFI2 DEF Injection Nozzle undergoes rigorous quality control to ensure reliability in emission control applications. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region and application.
| Brand | Standard Ignition |
|---|---|
| Part Number | DFI2 |
| Color/Finish | Gray |
| Engine ID Code | LGH & LML |
| Engine Vin Code | L & 8 |
This part fits 52 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | |
| 2016 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | |
| 2016 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | |
| 2016 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | |
| 2016 | GMC | Savana 2500 | 6.6L | V8 | N/A | |
| 2016 | GMC | Savana 3500 | 6.6L | V8 | N/A | |
| 2016 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | |
| 2016 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | |
| 2015 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | |
| 2015 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | |
| 2015 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | |
| 2015 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | |
| 2015 | GMC | Savana 2500 | 6.6L | V8 | N/A | |
| 2015 | GMC | Savana 3500 | 6.6L | V8 | N/A | |
| 2015 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | |
| 2015 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | |
| 2014 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | |
| 2014 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | |
| 2014 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | |
| 2014 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | |
| 2014 | GMC | Savana 2500 | 6.6L | V8 | N/A | |
| 2014 | GMC | Savana 3500 | 6.6L | V8 | N/A | |
| 2014 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | |
| 2014 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | |
| 2013 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | |
| 2013 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | |
| 2013 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | |
| 2013 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | |
| 2013 | GMC | Savana 2500 | 6.6L | V8 | N/A | |
| 2013 | GMC | Savana 3500 | 6.6L | V8 | N/A | |
| 2013 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | |
| 2013 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | |
| 2012 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | |
| 2012 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | |
| 2012 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | |
| 2012 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | |
| 2012 | GMC | Savana 2500 | 6.6L | V8 | N/A | |
| 2012 | GMC | Savana 3500 | 6.6L | V8 | N/A | |
| 2012 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | |
| 2012 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | |
| 2011 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | |
| 2011 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | |
| 2011 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | |
| 2011 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | |
| 2011 | GMC | Savana 2500 | 6.6L | V8 | N/A | |
| 2011 | GMC | Savana 3500 | 6.6L | V8 | N/A | |
| 2011 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | |
| 2011 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | |
| 2010 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | |
| 2010 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | |
| 2010 | GMC | Savana 2500 | 6.6L | V8 | N/A | |
| 2010 | GMC | Savana 3500 | 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.