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Common Rail Diesel Fuel Injector Assembly 2882078 for Cu-mmins Engine Qsk19/38/50/60
| MOQ: | 1 pieces |
| Price: | US $325-349 / piece |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
| OE No. | 2882078 |
| Type | Fuel Injector |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
This fully digital high-pressure electronically controlled common rail injector unit (standard part number: 2882078, common cross-references and interchangeable numbers include 2882078PX, 4088665, 4902827, etc.) is specifically designed for high-power commercial heavy trucks, large-tonnage construction machinery, and high-load diesel engine systems (such as the ISX15 and QSX15 series large-displacement diesel engines). As a high-precision actuator in the high-pressure common rail fuel system, it is responsible for the microsecond-level precise metering and ultra-fine particle atomization of thousands of bar of high-pressure diesel fuel. It is widely used in long-haul trucks, mining dump trucks, and generator sets.
The product adheres to the technical specifications of "micron-level precise metering and ultra-fine particle high-pressure injection." The core needle valve assembly and armature valve core are made of special high-hardness alloy steel, precision ground and polished with low friction at the micron level, and coated with a high-density anti-coking hardening coating, which can easily cope with early particulate wear caused by fluctuations in diesel quality. After the parts replacement is completed, drivers and machine operators will experience a noticeable improvement in operation: the engine starts crisply and cleanly when cold, and the severe vibrations and irregular shaking at low idling speeds are instantly eliminated; when climbing hills under full load or operating continuously under high load, the accelerator pedal response is smooth and precise, the power is continuous and abundant, and black smoke from the exhaust is significantly reduced, resulting in excellent overall fuel economy control.
Advantages: Integrated intelligent manufacturing supply chain from the source factory.
Problems Solved: Traditional multi-level procurement models are complex and prone to leading to excessive tolerances in parts, uneven fuel supply to cylinders, and high-pressure leakage risks, while also significantly increasing procurement costs.
Value Gained: Relying on a self-built standardized production base for end-to-end precision manufacturing, eliminating layers of intermediaries and ensuring consistent injection height across cylinders, significantly reducing maintenance costs while providing a solid and reliable power guarantee for long-term equipment operation.
Advantages: Full-condition ultra-high pressure dynamic micron-level bench inspection.
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 digital 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: Large-scale warehousing and readily available stock for rapid delivery response.
Problems Solved: 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 logistics and delivery cycles, helping fleets and owners quickly restore equipment operational readiness and effectively avoiding 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 |
|---|---|
| Product Name | Heavy-Duty Diesel Engine High-Pressure Electronic Common Rail Injector |
| Standard OE Part Number | 2882078 |
| Interchangeable Part Number | 2882078PX / 4088665 / 4902827 |
| Applicable Engine Models | ISX15 / QSX15 Series Heavy-Duty Diesel Engines |
| Fuel System Type | 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 |
| Injection Orifice Micro-Engraving Technology | EDM High-Precision Electrical Discharge Micro-Orifice Machining |
| Maximum Working Pressure | ≥ 1800 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. 0.91 kg / piece |
| Factory Testing Standards | 100% Automated Full-Condition Bench Flow and Sealing Tests |
Intercity Heavy-Duty Transportation and Mountainous Steep Slope Cruise Conditions: Heavy-duty trucks fully loaded with goods travel for extended periods on cross-regional logistics routes, 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, they replace worn parts and install this high-precision fuel injector. 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 in 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.
