T434606 | Genuine DuraWRX® DEF Multifunction Head 40 micron, 18" Cylinder SLT Crew CAB 2WD

SLT Crew CAB 2WD

CLASSIC 3500 REGULAR CAB 2003-2006 Chevrolet Suburban 8 Cyl 6

high-performance engines used in trucks

Even if your air tanks are full and the compressor is working

Includes a heater element to prevent DEF from freezing in cold weather

T434606 | Genuine DuraWRX® DEF Multifunction Head 40 micron, 18" Cylinder SLT Crew CAB 2WDDescription: A Diesel Exhaust Fluid (DEF) header T434606 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: