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Common Rail Diesel Fuel Injector 0445120184 for Cu-mmins 4981077 6.7L Isb Qsb
| MOQ: | 1 pieces |
| Price: | US $50-55 / pieces |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
| Product Name | High Quality Common Rail Diesel Fuel Injector |
| Place of Origin | Wuhan,China |
| Warranty | 3 Months |
| Delivery time | 3-15 Days, subject to the order quantity |
| Quality | 100% Tested |
| Packing | Customer Requirement |
| Service | After-Sales Service |
| Size | Standard Size |
| Payment | TT,Trade Assurance,PayPal,Credit Card |
| Advantage | Perfect Fit |
This high-pressure electronically controlled common rail nozzle assembly (standard part number: 0445120184, common interchangeable parts include 0986435552, 5263319, 5263319PX, etc.) is precision-manufactured for medium and heavy-duty trucks, passenger buses, and construction machinery power platforms (such as ISBe, ISDe, QSB6.7 series diesel engines). As the core micro-control unit of the high-pressure common rail fuel system, it is responsible for accurately metering and atomizing diesel fuel into micron-level fine mist within milliseconds, ensuring thorough and uniform mixing of fuel and high-pressure air for efficient and complete combustion.
Adhering to the technical standards of "ultra-fast electronic control response and micro-ultra-fine atomization," the internal needle valve assembly and armature valve core are made of quenched special alloy steel, combined with ultra-high precision grinding and low-friction polishing technology. The surface is covered with a high-density anti-coking hardened coating, effectively preventing early erosion caused by diesel particulates. After the equipment is replaced, operators and drivers will experience a noticeable improvement in power: a crisp and clean start-up, significantly reduced vibration and jerking during idling; smooth and firm pedal feedback during heavy-load climbing or heavy-load operations, rapid and continuous acceleration, and a significant reduction in black smoke from the exhaust, resulting in outstanding overall fuel savings.
Problems Solved: Traditional OEM and multi-level distribution channels are complex and prone to issues such as accumulated tolerances in parts, uneven fuel supply to cylinders, and high-pressure leaks, while also significantly increasing procurement budgets.
Value Brought: Precision manufacturing throughout the entire process, utilizing a self-operated production plant, eliminates intermediaries and ensures highly consistent spray volume across cylinders, reducing maintenance costs and providing a robust and reliable power guarantee for long-term equipment operation.
Problems Solved: Addressing 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 waste time and money on repeated disassembly and debugging.
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 are precisely calibrated for different pressure ranges, ensuring immediate usability after installation and significantly saving time and costs associated with disassembly and debugging.
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 breach of contract penalties.
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 logistics and delivery cycles, helping fleets and owners quickly restore equipment availability and effectively avoid downtime losses.
Problems Solved: Addresses issues such as premature wear of valve components, needle valve jamming, and excessive return oil caused by variations in diesel lubrication and particulate impurities in different regions.
Value Brought: Core valve components are made of high-strength special bearing steel and undergo surface anti-corrosion hardening treatment, significantly improving fatigue resistance and wear resistance. This ensures 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 |
|---|---|
| Product Name | High-Pressure Electronic Common Rail Injector for Medium and Heavy-Duty Diesel Engines |
| Standard OE Part Number | 0445120184 |
| Interchangeable Part Number | 0986435552 / 5263319 / 5263319PX |
| 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 |
| Needle Valve Surface Treatment | High-Density, Ultra-Wear-Resistant DLC Hardened Coating |
| Nozzle Machining Technology | EDM High-Precision Electrical Discharge Micro-Needle Machining |
| Maximum Working Pressure | ≥ 1600 bar |
| Working Temperature Range | -40°C to +125°C |
| Internal Sealing Components | Original Equipment Manufacturer (OEM) High-Temperature Resistant and Anti-Swelling 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 |
Inter-provincial Logistics Transportation and Long-Distance Cruise Operations for Heavy-Duty Trucks: Medium and heavy-duty trucks fully loaded with cargo travel at high speeds on national highways and expressways for extended periods, requiring the engine to continuously output stable torque. When drivers notice slow acceleration, difficulty climbing hills, or abnormally high fuel consumption, the old, damaged parts of the original vehicle can be removed and replaced with this electronic fuel injector. After installation, fuel injection atomization is extremely uniform, the accelerator pedal response is smooth and precise, significantly reducing overall fuel consumption and ensuring efficient and stable long-distance transportation.
High-load, continuous operation scenarios for urban construction and medium-sized excavators: The work site environment is dusty and complex, with construction machinery operating under heavy loads for extended periods. When equipment experiences starting difficulties, severe idling vibrations, or black smoke during operation, maintenance personnel promptly replace the entire fuel injection system. Precisely controlled fuel injection ensures the engine delivers stable and ample power under various load changes, preventing stalling or engine braking, and guaranteeing on-time project delivery.
Q: Can I use the product directly after installation? Is a correction code required?
A: Each 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, 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 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.
