Diesel Exhaust Fluid Doser Injector 3.1 By BESTfit Replaces 12635928, 12640359, 12647372 Fits GMC/ Chevy Light Duty Models W/ 6.6L Engines

Get dependable DEF system operation with the BESTfit DEF Doser Injector 3.1, engineered for GMC/ Chevy with 6.6L engines. This high-quality injector replaces 12635928, 12640359, and 12647372 and supports SCR emissions systems with precise dosing control. It helps reduce NOx emissions while maintaining catalyst efficiency. The 3.1 design includes an integrated electrical connector and factory-installed nozzle and housing for a secure fit. This BESTfit solution delivers reliable emissions system restoration.

* High Quality Diesel Exhaust Fluid Doser Injector
* 3.1 Model
* Designed For SCR Emissions Systems
* Supports Proper SCR Catalyst Operation
* Helps Reduce NOx Emissions
* Includes:
  - (1) DEF Doser Injector
  - Integrated Electrical Connector
  - Factory Installed Nozzle And Housing
* Sold Individually
* Warranty On Diesel Exhaust Fluid Doser Injectors Against Defects In Workmanship & Material From Date Of Purchase

*** High Quality Aftermarket Replacement Part (Not OEM)***

* Cross Ref 0444021030 12647372

** This Item Ships Direct From The Manufacturer And Will Arrive In A Separate Package And Possibly A Different Time Than The Balance Of Your Order **