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Duramax Diesel Exhaust Fluid DEF Heater 2011 Chevy Silverado GMC Sierra 2500 3500HD 6.6L. Diesel exhaust fluid reservoir is a reductant heater that enables the SCR (Selective Catalytic Reduction) to function at low temperatures. DEF freezes easily and needs to be melted in the shortest possible time for the SCR to reduce the amount of Nitrogen Oxides and release them into the exhaust system lowering the concentration of nitrogen oxide in the diesel emissions from the engine.
Interchange Numbers:
Fitments:
Interchange Numbers:
- 22783125, 22902619, 23379346, 84412929, F01C600335
Fitments:
- 2011 CHEVROLET SILVERADO 2500 HD 6.6L DIESEL LML DURAMAX
- 2011 CHEVROLET SILVERADO 3500 HD 6.6L DIESEL LML DURAMAX
- 2011 GMC SIERRA 2500 HD 6.6L DIESEL LML DURAMAX
- 2011 GMC SIERRA 3500 HD 3500 HD 6.6L DIESEL LML DURAMAX