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DONGFENG CUMMINS ENGINE Urea Dosing Pump Filter A040N388
FUNCTION
1. Filters Impurities from Urea Solution
Installed within the Urea Dosing Pump, this filter element performs fine filtration of the urea solution, capturing solid particles, impurities, crystalline deposits, and contaminants to prevent their entry into the urea injection system.
2. Protects the Urea Pump and Precision Components
It effectively prevents impurities from clogging the urea pump, dosing unit, nozzles, and pipelines, thereby avoiding issues such as pump wear, nozzle blockage, or inaccurate dosing, and ensuring the proper operation of the entire SCR after-treatment system.
3. Ensures Efficient SCR System Operation
By supplying a clean urea solution, it enables the precise injection of urea into the exhaust system, where it undergoes a chemical reaction with nitrogen oxides (NOx), converting them into harmless nitrogen gas and water vapor, thereby effectively reducing tailpipe emissions.
Working Principle
1. The filter element utilizes high-precision filtration media (typically consisting of a plastic housing combined with filter paper or specialized materials) to capture minute particles and impurities present in the urea solution.
2. The filtered, purified urea is then pumped to the nozzle and, under the precise instructions of the ECU, is accurately injected into the exhaust pipe to facilitate NOx reduction.
Installation Location
It is housed within the filter element cavity (filter seat) located inside the urea pump.
The urea pump assembly is situated near the urea tank (AdBlue tank) and is typically mounted on the vehicle frame or integrated into the urea tank module.
Performance Advantages
| No. | Performance Advantage | Specific Description | Actual Benefits |
|---|---|---|---|
| 1 | High Filtration Efficiency | High-precision filter media removes particles ≥5μm with up to 99% efficiency | Effectively removes solid particles, impurities, and crystals from urea solution |
| 2 | Protection of Precision Components | Prevents contaminants from entering the urea pump, dosing unit, and nozzles | Significantly reduces risks of urea pump damage and nozzle clogging |
| 3 | Strong Corrosion Resistance | Uses special materials resistant to urea solution corrosion | Ensures long-term stable operation in chemically aggressive environments |
| 4 | Ensures Emission Compliance | Provides clean urea supply for precise injection and improved NOx conversion | Helps the vehicle consistently meet National IV/V/VI emission standards |
DETAILS
| DESCRIPTION | Urea Dosing Pump Filter | PART NUMBER | A040N388 |
| WEIGHT |
0.2KG |
VOLUME |
55mm × 55mm × 100mm |
| TRUCK MOLDE | DONGFENG CUMMINS | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | ENGINE |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Daily Maintenance Recommendations
Standard Replacement Interval: Replace every 40,000–60,000 kilometers, or once per year.
Recommendation for HOWO, Sitrak, and Similar Models: Replace every 50,000 kilometers.
Under Severe Operating Conditions (use of non-standard urea, high dust levels, high-temperature environments, or long-haul heavy-duty transport): Inspect or replace proactively every 30,000–40,000 kilometers.
Preventive Principle: Even in the absence of any detected faults, it is strongly recommended to strictly adhere to the prescribed replacement schedule based on mileage or time, as the filter element has a finite capacity for accumulating contaminants.
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