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Branded Diesel Common Rail Fuel Injector 0445120209 5254682 for Cu-mmins Isb Qsb 5.9L Fuel Injector
| MOQ: | 1 pieces |
| Price: | US $53-57 / 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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This industrial-grade, fully digital precision common rail injector assembly (standard part number: 0445120209, common interchangeable and OEM part numbers include 0986435540, 612600080934, 612600080618, etc.) is specifically designed for diesel power systems in large-displacement heavy trucks and construction machinery (such as WP10, WP12 series heavy-duty engines). As the core control element of the high-pressure common rail fuel system, it can perform high-frequency metering and ultra-fine particle atomization of high-pressure diesel fuel within microseconds, ensuring thorough mixing and efficient combustion of fuel and air.
Adhering to the design principles of "high-precision atomization and high-frequency ultra-fast response," the internal valve needle assembly and armature valve core are made of special hardened alloy, undergoing micron-level graded grinding and low-friction polishing, and covered with a high-density anti-coking hardened coating, which can easily resist early erosion caused by diesel impurities. After the equipment upgrade, drivers and machine operators will experience noticeable improvements in operation: the engine starts crisply and quickly when cold, and the severe vibrations and flat-frequency shaking at idle are completely eliminated; under full load climbing steep slopes or high-intensity continuous operation, throttle control feedback is smooth and precise, providing continuous and abundant power, significantly reducing exhaust black smoke emissions, and resulting in a significant improvement in overall fuel economy.
Advantages: Precision manufacturing in a self-built automated production base.
Problems Solved: Traditional multi-layered distribution models involve complex procurement processes, easily leading to excessive tolerances in parts, uneven fuel supply to cylinders, and high-pressure leakage risks, while significantly increasing procurement costs.
Value Brought: Relying on a self-built standardized production base for precision manufacturing throughout the entire process eliminates layers of intermediaries, ensuring consistent injection height across cylinders. This significantly reduces maintenance costs while providing a solid and reliable power guarantee for long-term equipment operation.
Advantages: 100% rigorous quality inspection on a full-condition ultra-high-pressure digital test bench.
Promotional Points: Problems Solved: Addressing common issues with inferior, low-end parts, such as atomization angle deviation, sluggish solenoid valve response leading to incomplete combustion, engine misfires, idling vibrations, and wasted time and extra costs associated with secondary disassembly and adjustment.
Value Brought: Each injector undergoes fully automated testing before leaving the factory. Under simulated high-temperature and ultra-high-pressure conditions, the injection volume and return oil sealing across different pressure ranges are precisely calibrated, ensuring immediate usability upon installation and significantly reducing time and costs associated with equipment disassembly and adjustment.
Advantages: Regular, large-scale warehousing with readily available stock for rapid delivery.
Problems Solved: Large commercial vehicles and construction machinery are high-upload, high-revenue tools. If they become stranded due to fuel system failures, downtime and lack of materials can result in costly delay compensation 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 and priority packing and dispatch within 24-48 hours significantly shorten the logistics and delivery cycle, helping fleets and owners quickly restore equipment availability and effectively avoid downtime losses.
Advantages: Nanoscale DLC coating and special wear-resistant alloy valve assembly.
Problems Solved: Addresses issues such as premature wear of valve components, needle valve jamming, and excessive return oil caused by variations in diesel lubricity and particulate impurities in different regions.
Value Brought: The core valve assembly components utilize high-strength special bearing steel and undergo surface anti-corrosion hardening treatment, significantly improving fatigue resistance and wear resistance. It maintains stable performance even under harsh environments and prolonged high-load operation, avoiding the additional costs associated with frequent disassembly and repairs.
| Parameter Name | Parameter Value |
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| Product Name | Heavy-Duty Diesel Engine High-Pressure Electronic Common Rail Injector |
| Standard OE Part Number | 0445120209 |
| Common Interchange Numbers | 0986435540 / 612600080934 / 612600080618 |
| Applicable Engine Models | WP10 / WP12 Series Heavy-Duty Diesel Engines |
| Fuel Supply System | High-Pressure Electronic Common Rail System |
| Core Valve Core Material | Aerospace-grade hardened bearing steel, corrosion-resistant high-hardness special alloy steel |
| Needle Valve Coating Process | High-Density, Ultra-Wear-Resistant DLC Hardened Coating |
| Nozzle Machining Technology | EDM High-Precision Electrical Discharge Micro-Needle Machining |
| Maximum Working Pressure | ≥ 1800 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. 0.86 kg / piece |
| Testing Standards | 100% Automated Bench Flow and Pressure Testing |
Cross-Regional Heavy-Duty Transportation and Mountainous Steep Slope Cruise Conditions: Heavy-duty semi-trailer trucks fully loaded with cargo travel for extended periods on inter-provincial highways, requiring the engine to continuously output high torque. When drivers notice a decrease in vehicle start-up smoothness, weak acceleration uphill, or abnormally increased fuel consumption, replacing the original aging parts and installing this high-precision fuel injector is recommended. After installation, the high-pressure diesel atomization effect is significantly improved, throttle response is more robust, effectively reducing overall fuel consumption and ensuring high efficiency and stability during long-distance transportation.
Continuous operation scenarios in open-pit mines and large construction machinery: Large construction dump trucks and excavators operate continuously in high-dust, high-load environments, placing extremely high demands on the stability of the fuel supply system. When equipment experiences severe idling vibration, difficulty starting, or excessive emissions, on-site maintenance personnel promptly replace the entire set of high-quality fuel injectors. Precise injection control ensures stable output even under extreme conditions, preventing engine stalling or abnormal wear caused by uneven fuel supply.
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.
