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4026222 for High Performance Qsm11 Engine Diesel Fuel Injector
| MOQ: | 1 pieces |
| Price: | US $138.32-150.32 |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
| OE No. | 4026225 |
| Type | Fuel Injector |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
<Product Description> This high-pressure electronically controlled nozzle unit (standard part number: 4026222, common cross-reference and interchangeable parts include 4026222PX, 4088665, 4902827, etc.) is precision-engineered for heavy-duty trucks, large-tonnage engineering equipment, and large-displacement diesel power platforms (such as ISX15 and QSX15 series high-power engines). As a key actuator in the fuel supply and combustion control system, it bears the heavy responsibility of precisely metering and atomizing high-pressure diesel fuel within microseconds. It is widely used in intercontinental trunk line tractors, mining dump trucks, and large standby generator sets.
The product adheres to the design concept of "high-pressure ultra-micro 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 an anti-coking hardening coating, which can effectively resist early erosion caused by diesel impurities. After the equipment is installed and replaced, drivers will experience a very noticeable improvement in handling: cold starts are crisp and rapid, and the severe vibrations and flat-frequency shaking during idling are smoothed out; under full load acceleration or continuous uphill driving, the accelerator pedal feedback is delicate and responsive, with a continuous, abundant, and smooth power output, while significantly reducing exhaust black smoke emissions, resulting in an excellent overall fuel control experience.
<Product Description>
Problems Solved: Addresses the issues that traditional multi-layered OEM and reseller trade can easily cause, such as excessive tolerances in parts, uneven fuel supply to each cylinder, and high-pressure leakage risks, while also significantly increasing procurement costs.
Value Brought: Relying on standardized self-built production facilities for precision manufacturing throughout the entire process, eliminating layers of intermediaries and ensuring consistent injection height across all cylinders, significantly reducing maintenance costs while 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.
Problem Solved: Addressing the issue of premature wear and valve core seizure caused by variations in diesel lubricity and sulfur content across different regions.
Benefits: The core valve assembly utilizes high-strength special bearing steel and undergoes a 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.
</Product Advantages>
| Parameter Name | Parameter Value |
|---|---|
| Product Name | Heavy-Duty Diesel Engine High-Pressure Electronic Common Rail Injector |
| Standard OE Part Number | 4026222 |
| Common Interchange Numbers | 4026222PX / 4088665 / 4902827 |
| Applicable Engine Models | ISX15 / QSX15 Series Heavy-Duty Diesel Engines |
| Fuel Supply System | High-Pressure Electronic Common Rail/Unit Injection System |
| Core Valve Core Material | Aerospace-Grade Quenched Bearing Steel, Corrosion-Resistant High-Hardness Special Alloy Steel |
| Needle Valve Coating Process | High-Density, Ultra-Wear-Resistant DLC Hardened Coating |
| Nozzle Machining Technology | EDM High-Precision Electrical Discharge Micro-Needle 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 |
| Testing Standard | 100% Automated Bench Flow and Pressure Testing |
</Parameter Table>
Long-distance heavy-duty logistics transportation and mountain steep slope climbing scenarios: Large semi-trailer tractors operate for extended periods on inter-provincial trunk lines, requiring their engines 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.
Mining and continuous operation scenarios for 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.
Application Scenarios
