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Qsz13 Qsz13 Xpl Diesel Engine Fuel Injector Assembly 2872056 for Cu-mmins Diesel Engine
| MOQ: | 1 pieces |
| Price: | US $140-165 / piece |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
| OE No. | 2872056 |
| Type | Fuel Injector Pump |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
<Product Description> This high-pressure electronically controlled common rail injector assembly (standard part number: 2872056; common OE cross-reference and interchangeable identification numbers include 2872056PX, 2872056RX, 4307452, 2872544, 4954434, etc.) is precision-manufactured for heavy-duty trucks, long-haul logistics vehicles, and high-power industrial diesel power platforms (such as ISX15 and QSX15 series 15.0L six-cylinder diesel engines, commonly installed in heavy-duty semi-trailer tractors, large mining vehicles, and heavy-duty generator sets). As a key micro-metering and spray execution unit in the high-pressure common rail fuel supply system, it is responsible for accurately metering high-pressure diesel fuel and rapidly converting it into micron-level ultrafine atomized particles with a microsecond-level high-frequency response, promoting comprehensive and uniform mixing of fuel and intake airflow for efficient and complete combustion.
The product adheres to a manufacturing process of "microscopic ultra-fine atomization and millisecond-level ultra-fast response." The internal needle valve assembly and armature control valve core are made from carefully selected quenched special alloy steel, combined with ultra-high precision geometric grinding and low-friction polishing. The surface is covered with a dense, anti-coking hardened coating, effectively preventing early erosion caused by diesel impurities. After the parts are installed, drivers and on-site maintenance personnel will experience a significant performance improvement: ignition starts crisply and quickly, and the severe vibration and shaking at low-speed idling are completely eliminated; under full-load high-speed cruising or steep incline conditions, the accelerator pedal response is firm and smooth, acceleration is rapid and continuous, while significantly reducing black smoke from exhaust, resulting in excellent overall fuel consumption control.
<Product Description>
<Product Advantages>
Advantages: Integrated production in a physical factory with intelligent manufacturing at the source.
Problems Solved: Addresses the issues of excessive tolerances in component fit, uneven fuel supply to cylinders, and high-pressure leakage risks inherent in traditional OEM and multi-level distribution models, while also avoiding the increased procurement costs associated with intermediaries.
Value Gained: Utilizing a self-built standardized production base for end-to-end precision manufacturing eliminates layers of intermediaries, ensuring consistent injection height across cylinders. This reduces maintenance costs and provides a robust and reliable power guarantee for long-term equipment operation.
Advantages: 100% fully simulated digital dynamic test bench for rigorous quality inspection.
Problems Solved: Addresses quality issues common in low-end components, such as delayed solenoid valve response, internal pressure leakage, and needle valve jamming, leading to unstable power output after installation and wasted time and money on repeated disassembly and debugging.
Value Gained: Each injector undergoes fully automated testing before leaving the factory. Under fully simulated high-temperature and ultra-high-pressure conditions, the injection volume and return oil sealing are precisely calibrated across different pressure ranges, ensuring immediate usability after installation and significantly reducing time and costs associated with equipment disassembly and debugging.
Advantages: Large-scale warehousing with readily available stock for rapid dispatch and shipment.
Problems Solved: Commercial vehicles and construction machinery are high-upload, high-revenue tools. If they become stranded due to fuel system failure, the resulting downtime and lack of materials can lead to costly delays, compensation claims, and lost work time.
Value Brought: The warehousing center maintains a sufficient stock of best-selling specifications year-round. After order confirmation, a rapid response is provided, with priority packing and dispatch within 24-48 hours, significantly shortening the logistics and delivery cycle. This helps fleets and owners quickly restore equipment availability and effectively avoids downtime losses.
Advantages: Special quenched alloys and corrosion-resistant hardened coatings.
Problems Solved: Addressing the issue of premature wear and valve core seizure caused by differences in diesel lubricity and sulfur content in different regions.
Value Brought: Core valve components are made of high-strength special bearing steel with a surface anti-corrosion hardening treatment, significantly improving fatigue resistance and wear resistance. Even under harsh environments and prolonged high-load operation, they maintain stable performance, avoiding the additional costs of frequent disassembly and repairs.
</Product Advantages>
<Parameter Table>
| Parameter Name | Parameter Value |
|---|---|
| Product Name | Heavy-Duty Diesel Engine High-Pressure Electronic Common Rail Injector |
| Standard OE Part Number | 2872056 |
| Interchangeable Part Number | 2872056PX / 2872056RX / 4307452 / 2872544 / 4954434 |
| Applicable Engine Platform | ISX15 / QSX15 Series 15.0L Diesel Engine |
| Fuel Supply System | High-Pressure Electronic Common Rail System |
| Core Needle Valve Material | Aerospace-grade hardened bearing steel, corrosion-resistant high-hardness special alloy steel |
| Surface Treatment Process | High-Density, Ultra-Wear-Resistant DLC Hardened Coating |
| Injector Orifice Micro-Engraving Technology | EDM High-Precision Electrical Discharge Micro-Orifice Machining |
| Maximum Working Pressure | ≥ 2200 bar |
| Operating Temperature Range | -40°C to +125°C |
| Internal Sealing Components | Original factory-grade high-temperature resistant and swelling-resistant special fluororubber (FKM O-Rings) |
| Net Weight per Unit | Approx. 1.05 kg / piece |
| Testing Standards | 100% automated full-condition bench flow and sealing test |
| </Parameter Table> |
<Application Scenarios> Long-haul logistics and highway traction transport: Heavy-duty semi-trailer tractors continuously travel fully loaded on inter-provincial highways and long-distance trunk logistics, placing extremely high demands on engine fuel supply stability and fuel economy. When truck drivers notice sluggish acceleration for overtaking, insufficient power when climbing hills in high gears, or black smoke from the exhaust pipe, mechanics promptly replace the fuel with this high-precision common rail injection valve. After replacement, fuel atomization is extremely fine and uniform, engine power reserves are fully restored, throttle response is brisk, and overall fuel consumption per 100 kilometers is effectively reduced.
Open-pit mining and large tracked excavator operations: Large excavators and mining loading equipment continuously excavate and load large rocks in harsh, high-dust, and high-intensity environments, placing extremely high demands on engine fuel supply stability and power output. When on-site operators notice a decrease in equipment digging force, significant and severe vibration at idle, or frequent black smoke from the exhaust pipe, maintenance personnel promptly replace worn parts and install this high-precision fuel injector. After replacement, fuel injection atomization is extremely uniform, and the hydraulic system's power output is restored to ample and stable levels, ensuring efficient and uninterrupted mining operations.
**Application Scenarios**
Q: Can I use the product directly after installation? Is it necessary to enter a correction code?
A: Each fuel injector has a unique flow correction code (IMA code) generated during factory testing. It is recommended to use a diagnostic tool to flash the correction code into the engine ECU after installation to achieve optimal fuel efficiency and smoothness.
Q: What are the inventory and delivery times for bulk purchases?
A: We own our factory and large warehouse, maintaining a large inventory of this model year-round. Standard orders can be packaged and shipped within 24-48 hours, and large-volume orders can be quickly scheduled for production.
Q: How do you guarantee the quality and performance of your products before they leave the factory?
A: All injectors undergo assembly in a Class 100 cleanroom and 100% full-condition bench testing, covering key indicators such as sealing, pre-injection volume, full-load injection volume, and return oil volume. These stringent testing standards ensure that they are of superior quality from the outset.
Q: How long is the warranty period? What about after-sales service?
A: We offer a 12-month warranty period. If a performance failure occurs within the warranty period due to non-human factors, we provide rapid replacement or after-sales technical support to ensure your peace of mind when using our products.
