103819017 | Genuine DuraWRX® DEF Multifunction Head 40 micron, 18" Switch Control Module Poor Fuel Economy / Increased

Poor Fuel Economy / Increased Fuel Consumption

reflecting the company’s aim to build vehicles for the modern era

or pump wear

Purpose of using K195-474:

and physical damage

103819017 | Genuine DuraWRX® DEF Multifunction Head 40 micron, 18" Switch Control Module Poor Fuel Economy / IncreasedDescription: A Diesel Exhaust Fluid (DEF) header 103819017 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: