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Supports Defrosting and Defogging
Worn bearings
If the ABS module fails
Control Timing
Helps the engine run smoother and use less fuel
502373 | Genuine DuraWRX® DEF Multifunction Head 40 micron, 18" ABS Control Module Supports Defrosting and DefoggingDescription: A Diesel Exhaust Fluid (DEF) header 502373 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: 502373
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