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Diesel Fuel Injector Assembly 2881089 2882078 for Cu-mmins Engine Qsk19 Series
| MOQ: | 1 pieces |
| Price: | US $325-349 / piece |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
| OE No. | 2881089 |
| Type | Fuel Injector Pump |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
This high-pressure electronically controlled common rail injection assembly (standard part number: 2881089, common cross-reference numbers include 2881089PX, 4088665, 4902827, etc.) is meticulously crafted for heavy-duty transport trucks, large engineering equipment, and large-displacement diesel power platforms (such as the ISX15 and QSX15 series high-power engines). As a key control actuator in the high-pressure fuel common rail system, it is responsible for precisely metering and atomizing high-pressure diesel fuel within microseconds, ensuring complete fuel-air mixing and efficient combustion, releasing strong and stable power.
The product adheres to the design principles of "microscopic ultra-fine atomization and high-frequency ultra-fast response." The internal valve needle assembly and solenoid valve core undergo extremely high-precision geometric grinding and low-friction polishing, and the surface is covered with a high-density anti-coking hardened coating, effectively resisting early erosion caused by diesel impurities. After installation and loading, operators and drivers will experience a significant performance improvement: ignition and start-up are crisp and clean, and the severe vibrations and jerks at low idling speeds have subsided; under full-load climbing or high-intensity continuous operation, throttle control is smooth and precise, acceleration is rapid and power is continuous, while exhaust black smoke is significantly reduced, resulting in an excellent overall fuel efficiency experience.
Problems Solved: Traditional distribution and procurement models are cumbersome, easily leading to excessive tolerances in component fits, uneven fuel supply to cylinders, and high-pressure leakage risks, while also significantly increasing procurement costs.
Value Brought: Relying on a self-built standardized production plant for precision manufacturing throughout the entire process eliminates layers of markups from intermediate links, ensuring consistent injection height in each cylinder, reducing maintenance costs, and providing a solid and reliable power guarantee for long-term equipment operation.
Problems Solved: Addressing quality issues such as delayed solenoid valve response, internal pressure leakage, and needle valve jamming common with low-quality parts, leading to unstable power after installation and wasted 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 equipment disassembly and debugging.
Problems Solved: Addressing the costly delays and lost work time caused by fuel system failures affecting commercial vehicles and construction machinery, resulting in downtime and material shortages.
Value Brought: The warehousing center maintains a sufficient stock of best-selling specifications year-round. Orders are responded to quickly, with priority packing and shipping within 24-48 hours, significantly shortening the logistics and delivery cycle. This helps fleets and owners quickly restore equipment availability and effectively avoids 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 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 | 2881089 |
| Interchangeable Part Number | 2881089PX / 4088665 / 4902827 |
| Applicable Engine Models | ISX15 / QSX15 Series Heavy-Duty 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 |
| Injection Hole Micro-Engraving Technology | EDM High-Precision Electrical Discharge Micro-Hole 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 |
Large semi-trailer tractors fully loaded with heavy cargo travel at high speeds for extended periods on inter-provincial trunk lines, 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.
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.
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 be quickly scheduled for production.
Q: How do you guarantee the quality and performance of the product before it leaves 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 of superior quality from the outset.
Q: How long is the warranty period? What are the 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.
