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FAW Engine Aseembly-Packing Box Chassis Parts Group
FAW Engine Aseembly-Packing Box Chassis Parts Group
2025-07-30
FAW Engine Aseembly-Oil Dipstick Group
FAW Engine Aseembly-Oil Dipstick Group
2025-07-30

FAW Engine Aseembly-Urea Pump

FAW Engine Aseembly-Urea Pump
FAW Engine Aseembly-Urea Pump
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What is the FAW Engine Aseembly-Urea Pump

  • 1. Precision DEF Delivery for Emissions Compliance
    The Urea Pump is a critical electronically controlled component within the FAW WP13.550E501 Engine Assembly’s Selective Catalytic Reduction (SCR) system. Responsible for precisely pumping and metering Diesel Exhaust Fluid (DEF), also known as AdBlue®, it enables the chemical reaction that converts harmful nitrogen oxides (NOx) into harmless nitrogen and water vapor, ensuring compliance with stringent Euro VI/China VI emission standards.
  • 2. Core Pump Function & Integration
    The Urea Pump operates under complex engine control unit (ECU) commands. It draws DEF from the tank, pressurizes it, and delivers it at the exact flow rate required for current engine operating conditions. Its integrated design often combines the pump motor, fluid metering valve, and pressure sensors into a single compact, ruggedized unit designed to withstand underhood vibrations, temperature extremes, and the corrosive nature of DEF.
  • 3. Essential Filtration: Protecting Precision Components
  • Filter Element of Urea Pump: This critical internal or inline filter is the DEF system’s first line of defense. It traps microscopic contaminants, crystals, or debris present in the DEF fluid, preventing them from reaching and damaging the pump’s intricate internal mechanisms, metering valve, or downstream Urea Nozzle. Regular replacement per FAW maintenance schedules is vital for long-term pump reliability and accurate DEF dosing.
  • 4. Fluid Circuit Connectivity: The Pipe Joint Network
    The Urea Pump interfaces with the DEF tank and the dosing line via multiple Urea Pump Pipe Joints. These specialized, quick-connect or threaded joints provide secure, leak-proof connections:
  • Typically, one Urea pump pipe joint connects to the DEF suction line (tank outlet).
  • Another Urea pump pipe joint connects to the high-pressure supply line leading to the dosing injector.
  • A third Urea pump pipe joint may serve as a return line connection or a vent/overflow port, depending on the specific pump design.
    These joints are specifically designed for DEF compatibility, featuring corrosion-resistant materials and integrated seals to maintain system integrity.
  • 5. Engineered for Heavy-Duty Reliability & Performance
    Manufactured to exact FAW OEM specifications, the Urea Pump Assembly – including its vital Filter Element and leak-proof Pipe Joints – is built for the harsh demands of commercial vehicle operation. Its precision ensures optimal DEF consumption, maximizes NOx reduction efficiency within the SCR catalyst, and prevents costly system failures or engine derates due to dosing inaccuracies. Regular maintenance of the Filter Element and inspection of the Pipe Joints are crucial for sustained emission compliance and trouble-free WP13.550E501 operation.

Product Parameters of FAW Engine Aseembly-Urea Pump

Order Part NO. Part Name And Standards Oty
1000410A-DY889R WP13.550E501  Engine Aseembly 1
612640130088 Urea Pump 1
1 612640130438 Filter element of urea pump 1
2 612640130785 Urea pump pipe joint 1
3 612640130786 Urea pump pipe joint 1
4 612640130787 Urea pump pipe joint 1

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