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Signs of a Bad Short Turbocharger 5350506:
The pump can’t regulate fuel precisely
Replacing the same sensor multiple times
Restricted fuel
4163689C91 | Genuine International® Diesel Exhaust Fluid Header Peterbilt 579 Signs of a Bad ShortDescription: A Diesel Exhaust Fluid (DEF) header 5G QLS SSI 4163689C91 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
