04-31354-004 | Genuine Freightliner® DEF Header 6 Gal, 6-Bolt Engine Computer P0190–P0194 (Fuel pressure sensor range/engine

P0190–P0194 (Fuel pressure sensor range/engine performance)

Some gauges include warning lights

A Steering Column Module (SCM) 68508704AF is an electronic control unit located inside or attached to the steering column of a vehicle

Detroit Diesel is a leading American manufacturer of heavy-duty diesel engines

A Cover ASSY – Hinge Pillar R22-6160-001 is an assembly cover used on the hinge pillar area of a vehicle’s body

04-31354-004 | Genuine Freightliner® DEF Header 6 Gal, 6-Bolt Engine Computer P0190–P0194 (Fuel pressure sensor range/engineDescription: A Diesel Exhaust Fluid (DEF) header 04 31354 004 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: