| MOQ: | 1 pieces |
| Price: | US $305.32-325.32 |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
| OE No. | 4928346 |
| Type | Fuel Injector |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
No company information provided.
This high-pressure electronic injection unit (standard part number: 4928346; common OE cross-reference and interchangeable part numbers include 4928346PX, 4088665, 4902827, 4928347, etc.) is precision-engineered for heavy-duty trucks, large-tonnage engineering equipment, and large-displacement diesel power platforms (such as the ISX15 and QSX15 series high-power diesel engines). As the core actuator of the high-pressure common rail and electronic control unit injection system, it is responsible for accurately metering high-pressure diesel fuel and rapidly converting it into nano-scale ultra-fine atomized particles within microseconds, promoting thorough mixing of fuel and cylinder intake air, and releasing abundant and stable power output.
The product adheres to the technical manufacturing standards of "ultra-fast electronic control response and micro-fine atomization." The internal needle valve assembly and armature control valve core are made from carefully selected aerospace-grade quenched special alloy steel, combined with ultra-high precision geometric grinding and ultra-low friction polishing processes. The surface is covered with a high-density, anti-coking hardened coating, effectively resisting early erosion caused by diesel impurities. After the parts are installed and replaced, operators and drivers will experience a significantly improved performance: ignition and starting are clean and crisp, and the severe vibration and shaking at low-speed idling have subsided and become smooth; under full-load climbing or high-load continuous operation, pedal control is tight and smooth, power is continuous, abundant, and stable, and black smoke emissions are significantly reduced, resulting in excellent fuel consumption control.
| Parameter Name | Parameter Value |
|---|---|
| Product Name | Heavy-Duty Diesel Engine High-Pressure Electronic Common Rail Injector |
| Standard OE Part Number | 4928346 |
| Interchangeable Part Number | 4928346PX / 4088665 / 4902827 / 4928347 |
| Applicable Engine Models | ISX15 / QSX15 Series Heavy-Duty Diesel Engines |
| Fuel Supply System | High-Pressure Electronic Common Rail/Unit Injection System |
| Core Needle Valve Material | Aerospace-Grade Quenched Bearing Steel, Corrosion-Resistant High-Hardness Special Alloy Steel |
| Needle Valve Surface Treatment | High-Density Ultra-Wear-Resistant DLC Hardened Coating |
| Injection Orifice Micro-Engraving Technology | EDM High-Precision Electrical Discharge Micro-Orifice Machining |
| 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. 0.91 kg / piece |
| Factory Testing Standards | 100% Automated Full-Condition Bench Flow and Sealing Tests |
Heavy-Duty Long-Haul Logistics Transportation and Mountainous Steep Slope Climbing: Large semi-trailer tractors fully loaded with heavy cargo travel at high speeds for extended periods on inter-provincial highways, requiring the engine to continuously withstand high load pressure. When drivers notice the vehicle's inability to climb hills, abnormally high fuel consumption, or black smoke, they replace the original aging parts and install this high-precision fuel injector. After installation, the engine's fuel atomization effect is significantly improved, throttle response is more robust, effectively reducing overall fuel consumption and ensuring high efficiency and stability in long-distance transportation.
Open-Pit Mining and Continuous Operation of 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 the equipment exhibits severe idling vibration, difficulty starting, or excessive emissions, on-site maintenance personnel promptly replace the entire set of high-quality injectors. Precise injection control ensures stable output even under extreme operating conditions, preventing engine stalling or abnormal wear caused by uneven fuel supply.