4353387 | Genuine Cummins® Diesel Exhaust Fluid Header ABS Pressure Modulator Valve Warning lights indicate issues like:

Warning lights indicate issues like:

It supports braking and accessory functions

it mixes thoroughly with air

The engine may surge

4353387 | Genuine Cummins® Diesel Exhaust Fluid Header ABS Pressure Modulator Valve Warning lights indicate issues like:Description: A Diesel Exhaust Fluid (DEF) header 4353387 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: