| MOQ: | 1 pieces |
| Price: | US $52-57 / pieces |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
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Product Name
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High Quality Common Rail Diesel Fuel Injector
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Place of Origin
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Wuhan,China
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Warranty
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3 Months
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Delivery time
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3-15 Days, subject to the order quantity
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Quality
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100% Tested
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Packing
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Customer Requirement
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Service
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After-Sales Service
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Size
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Standard Size
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Payment
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TT,Trade Assurance,PayPal,Credit Card
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Advantage
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Perfect Fit
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<Product Description> This high-pressure electronically controlled common rail injection unit (standard part number: 0445120059, common OE cross-reference and interchangeable parts include 0986435520, 5263305, 5263305PX, 4940589, etc.) is precision-engineered for medium and heavy-duty commercial vehicles, passenger buses, and special engineering machinery power platforms (such as ISBe, ISDe, QSB6.7 series diesel engines). As the core control and execution unit of the electronically controlled high-pressure common rail system, it is responsible for the precise metering and ultra-fine atomization of diesel fuel within microseconds, ensuring thorough and uniform mixing of fuel and high-pressure compressed air for complete and efficient combustion.
Adhering to the technical manufacturing standards of "high-pressure particle refinement and microsecond-level precise response," the product uses carefully selected quenched special alloy steel for its internal needle valve assembly and armature control valve core. Combined with ultra-high precision geometric grinding and low-friction polishing processes, the surface is coated with a dense, anti-coking hardened coating, effectively preventing early erosion caused by diesel impurities. After replacement and installation, drivers and equipment operators will experience immediate performance improvements: rapid and smooth start-up, and complete elimination of severe vibrations at low-speed idling; under heavy-load climbing steep slopes or high-intensity continuous operation, the accelerator pedal feedback is compact and smooth, providing continuous, abundant, and stable power, while significantly reducing black smoke emissions and delivering excellent overall fuel economy control.
<Product Description>
<Product Advantages>
Problems Solved: Addressing the complexities of traditional OEM and multi-level distribution channels, which easily lead to accumulated tolerance issues in parts, uneven fuel supply to cylinders, and high-pressure leakage risks, while also significantly increasing the procurement budget.
Value Brought: Leveraging its own production facilities for precision manufacturing throughout the entire process, eliminating intermediaries and their markups, ensuring highly consistent spray volume across all cylinders. This reduces maintenance costs while providing a robust and reliable power guarantee for long-term equipment operation.
Problems Solved: Addresses quality defects common in low-end components, such as delayed solenoid valve response, internal pressure leakage, and needle valve jamming, which lead to unstable power output after installation and wasted time and money on repeated disassembly and adjustment.
Value Brought: Each injector undergoes fully automated testing on a test bench before leaving the factory. Under 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 saving time and costs associated with disassembly and adjustment.
Problems Solved: For commercial vehicles and construction machinery, which are productivity tools, downtime due to fuel system failure can result in costly lost work time and the risk of breach of contract penalties.
Value Brought: The warehousing center maintains ample stock of best-selling specifications year-round, enabling rapid response after order confirmation and priority packing and dispatch within 24-48 hours. This significantly shortens logistics and shipping cycles, helping fleets and owners quickly restore equipment availability and effectively avoiding downtime losses.
Problems Solved: Addresses issues such as premature wear of valve components, needle valve jamming, and excessive return oil caused by differences in diesel lubrication and particulate impurities in different regions.
Value Brought: Core valve components utilize high-strength special bearing steel and surface anti-corrosion hardening treatment, greatly improving fatigue resistance and wear resistance. Even under harsh environments and prolonged high-load operation, it maintains stable performance, avoiding the additional costs of frequent disassembly and repair.
</Product Advantages>
<Parameter Table>
| Parameter Name | Parameter Value |
|---|---|
| Product Name | High-Pressure Electronic Common Rail Injector for Medium and Heavy-Duty Diesel Engines |
| Standard OE Part Number | 0445120059 |
| Interchangeable Part Number | 0986435520 / 5263305 / 5263305PX / 4940589 |
| Applicable Engine Platform | ISBe / ISDe / QSB6.7 Series Diesel Engines |
| 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 |
| Nozzle Machining Technology | EDM High-Precision Electrical Discharge Micro-Needle Machining |
| Maximum Working Pressure | ≥ 1600 bar |
| Operating Temperature Range | -40°C to +125°C |
| Internal Sealing Components | Original Equipment Manufacturer (OEM) High-Temperature Resistant and Swell-Resistant Special Fluororubber (FKM O-Rings) |
| Net Weight per Unit | Approx. 0.78 kg / piece |
| Testing Standards | 100% Automated Full-Condition Bench Flow and Sealing Tests |
Intercity Logistics Transportation and High-Frequency Cruise Operations of Vans: Medium-sized trucks and logistics vans routinely undertake high-density intercity delivery tasks, placing extremely high demands on engine smoothness and torque response. When drivers notice weak acceleration, abnormally increased fuel consumption, or severe idling vibrations, replacing the original aging parts and installing this high-precision fuel injector ensures uniform and sufficient high-pressure diesel atomization, a smooth and responsive accelerator pedal, effectively reducing overall operating costs and ensuring efficient and stable long-distance transportation.
Urban municipal engineering and special-purpose vehicle continuous operation scenarios: Special-purpose vehicles, municipal sweepers, and medium-sized excavators are frequently in a state of start-stop and heavy-load operation. When the equipment experiences difficulty starting, black smoke during acceleration, or power loss, on-site maintenance personnel promptly replace the entire set of high-quality fuel injectors. Precise injection control ensures stable output even under extreme operating conditions, preventing engine stalling or construction delays caused by uneven fuel supply.
Application Scenario
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 is the inventory and delivery time for bulk purchases?
A: We have our own factory and large warehouse, and maintain a large inventory of this model year-round. Standard orders can be packaged and shipped within 24-48 hours, and large-volume orders can also be quickly scheduled for production line setup.
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 high-quality products 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.