4086046C91 | Genuine International® Diesel Exhaust Fluid Sensor 15.5/16/23G, QLS 1% SSI Cab Vent Noise often increases with vehicle

Noise often increases with vehicle speed

Fits 04-31354-002 For Freightliner

Thomas - SAF-T-LINER HDX L9 2020

Part Number: 19435407

6L V8 - Diesel 2014 GMC Savana 3500 Base

4086046C91 | Genuine International® Diesel Exhaust Fluid Sensor 15.5/16/23G, QLS 1% SSI Cab Vent Noise often increases with vehicleDescription: A Diesel Exhaust Fluid (DEF) sensor 4086046C91 is a key component in a diesel vehicles emissions control system, specifically within the Selective Catalytic Reduction (SCR) system. The DEF header (also called a DEF tank head or DEF sender assembly) is the unit mounted on or inside the DEF tank. It monitors and manages the Diesel Exhaust Fluid thats injected into the exhaust to reduce harmful nitrogen oxide (NOx) emissions. Part Number: