| MOQ: | 1 pieces |
| Price: | US $57.32-66.32 / p |
| Payment Method: | L/C,D/A,D/P,T/T |
| OE No. | 3075628 |
| Type | Fuel Injector |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
This high-pressure electronically controlled common rail injection unit (standard part identification code: 4307547; common cross-reference and OE interchangeable numbers include 4307547RX, 4307547PX, 2882054, 2882054NX, etc., widely compatible with 15.0L large-displacement heavy-duty diesel engine platforms such as ISX15 and QSX15, commonly installed in heavy-duty highway tractors, long-haul logistics tractors, and large generator sets) is precision-manufactured. As the core of the high-pressure fuel supply system for precise micro-metering and ultra-fine spray execution, it is responsible for accurately metering and dispersing high-pressure diesel fuel into nano-sized atomized particles under microsecond-level electrical signal commands, promoting comprehensive and uniform mixing of fuel and intake air to achieve efficient combustion.
The product adheres to industrial manufacturing standards of "micron-level high-pressure atomization and millisecond-level ultra-fast response." Internal needle valve components and control valve cores are made from carefully selected aerospace-grade quenched special alloy steel, combined with ultra-high precision geometric grinding. The surface is coated with a high-density, ultra-wear-resistant DLC hardened coating, effectively resisting erosion and jamming caused by diesel impurities. After installation, mechanics and equipment operators will experience a clear and intuitive performance improvement: crisp and rapid cold starts in the morning, and the severe vibrations at low-speed idling are reduced and smoothed out; under heavy-load starts, full-load hill climbs, or full-power operation, the throttle pedal response is firm and sensitive, acceleration is smooth and the power is continuous, while exhaust black smoke is significantly reduced, resulting in satisfactory fuel control and smooth driving experience.
Advantages: Source-based intelligent manufacturing in a physical factory and standardized precision manufacturing.
Problems Solved: Addresses issues arising from traditional OEM and multi-level distribution chains, such as accumulated tolerance issues in parts matching, uneven fuel supply to cylinders, and potential high-pressure leaks, while effectively reducing intermediate procurement costs.
Value Gained: Leveraging a self-operated standardized production base for precise end-to-end control, eliminating intermediate markups, and ensuring highly consistent fuel injection volume across cylinders. This reduces maintenance budgets while providing robust and reliable power for vehicle operation.
Advantages: Rigorous quality inspection using a full-condition ultra-high-pressure digital test bench.
Problems Solved: Addresses issues such as response delays, pressure relief jamming leading to engine misfires and vibrations, and wasted time and money due to repeated disassembly and adjustment, which are common with low-end parts.
Value Gained: Each injector undergoes fully automated digital testing before leaving the factory. Under simulated high-temperature and ultra-high-pressure conditions, the fuel injection volume and sealing performance across different pressure ranges are precisely calibrated, ensuring immediate usability upon installation and significantly saving time and costs associated with equipment disassembly and adjustment.
Advantages: Large-scale warehousing with readily available stock for rapid delivery response.
Problem Solved: Addressing the costly delays and lost work due to fuel system malfunctions causing commercial freight and daily passenger vehicles to become high-utilization productivity tools.
Value Brought: Our warehousing center maintains ample stock of best-selling specifications year-round. Orders are responded to quickly, with priority packing and dispatch within 24-48 hours, significantly shortening logistics and delivery cycles. This helps fleets and owners quickly restore equipment availability and effectively avoids downtime losses.
Advantages: Special quenched alloy and ultra-wear-resistant hardened coating.
Problem 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, it maintains stable performance, avoiding the additional costs of frequent disassembly and repairs.
| Parameter Name | Parameter Value |
|---|---|
| Product Name | Heavy-Duty Diesel Engine Electronic High-Pressure Common Rail Injector |
| Standard OE Part Number | 4307547 |
| Interchangeable Part Number | 4307547RX / 4307547PX / 2882054 / 2882054NX |
| Applicable Engine Platform | ISX15 / QSX15 Series 15.0L Diesel Engine |
| Fuel Supply System | High-Pressure Electronic Common Rail Injection System (Common Rail) |
| Core Needle Valve Material | Aerospace-grade hardened bearing steel, corrosion-resistant high-hardness special alloy |
| 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 | ≥ 2000 bar |
| Operating 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. 1.28 kg / piece |
| Factory Testing Standards | 100% Automated Full-Condition Bench Flow and Sealing Tests |
Long-haul logistics and heavy-duty tractor-trailer inter-provincial transportation: Heavy-duty trucks and semi-trailer tractors continuously travel fully loaded on inter-provincial highways and trunk logistics routes, 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.
Large-scale mining fracturing and continuous field power generation scenarios: Large diesel generator sets and mining equipment operate continuously at high loads in outdoor deserts or mining areas. When the unit experiences starting difficulties, drastic speed fluctuations, or power reduction, the on-site maintenance team promptly replaces the entire fuel injection assembly. High-precision control ensures smooth and stable engine output even at full load, significantly reducing downtime for maintenance and ensuring continuous and smooth power supply operations in mining areas and construction sites.
Q: Can I use the product directly after installation? Is it necessary to enter a correction code?
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, 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 the products are of superior quality from the outset.
Q: What is the warranty period for your products? What are your after-sales service details?
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.