2515990C3 | Genuine International® Diesel Exhaust Fluid Header Cylinder Purpose of using 5452687:

Purpose of using 5452687:

It connects the roof to the body

Check engine or emissions warnings

Check engine light

2515990C3 | Genuine International® Diesel Exhaust Fluid Header Cylinder Purpose of using 5452687:Description: A Diesel Exhaust Fluid (DEF) header 5G QLS SSI 2515990C3 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