Fuel Injector Assembly 392-0224 20r-1283 3508b 3508c 3516b 3516c Common Rail Injector for Cater-pillar Machinery Engine

<Product Description> This model of high-voltage electronically controlled common rail nozzle component (standard part number: 392-0224 / 3920224, common OE cross-reference and interchangeable identification codes include 10R-9080, 10R9080, 20R-0126, 20R0126, 392-0223, etc.) is specially manufactured for heavy engineering construction equipment, large-scale operation facilities and industrial diesel power platforms (such as C13 and C15 series 12.5L / 15.2L large displacement inline six-cylinder diesel engines, often equipped in 345D and 349D tracked heavy excavators, 980H wheel loaders and D8T heavy bulldozers and other large equipment). As the core micro-metering and spray control actuator of the high-pressure common rail system, it bears the crucial responsibility of accurately metering and rapidly atomizing high-pressure diesel fuel into ultra-fine atomized particles with microsecond-level electronic control response. This ensures thorough and uniform mixing of fuel and intake airflow, achieving full and efficient combustion and powerful power release.

The product adheres to the design specifications of "high-pressure resistant particle refinement and microsecond-level ultra-fast response." The internal needle valve assembly and control valve core are made of aerospace-grade quenched special alloy steel, combined with ultra-high precision geometric grinding and low-friction polishing. The surface is covered with a high-density, anti-coking hardened coating, which effectively prevents early erosion caused by diesel impurities. After replacement and installation, mechanics and equipment operators will experience a significant performance improvement: ignition starts crisply and quickly, and the severe vibrations at low idling speeds are reduced and smoothed out; under heavy-load tunneling, steep slope climbing, or high-intensity continuous operation conditions, the control lever and accelerator pedal respond smoothly and precisely, acceleration is rapid and powerful, and exhaust black smoke is significantly reduced, resulting in a satisfactory overall fuel consumption control experience.

<Product Description>

<Product Advantages>
Advantages: Integrated precision manufacturing from a physical factory.

Problems Solved: Addresses the issues of excessive tolerances in parts matching, uneven fuel supply to cylinders, and high-pressure leakage risks caused by traditional OEM and multi-level distribution chains, while effectively reducing intermediate procurement costs.

Value Brought: Utilizing a self-operated standardized production base for precise control throughout the entire process, eliminating intermediate markups, and ensuring highly consistent fuel injection volume in each cylinder, reducing maintenance budgets while providing solid and reliable power for equipment operation.

Advantages: Rigorous quality inspection on a full-condition ultra-high-pressure digital bench. Problems Solved: Addresses issues such as response delays, engine misfires and vibrations caused by pressure relief jamming, and wasted time and money due to repeated disassembly and adjustment, often caused by inferior parts.

Value Brought: Each injector undergoes automated testing before leaving the factory, calibrating its flow and sealing performance under simulated high-temperature and ultra-high-pressure conditions to ensure immediate use upon installation, significantly saving time and costs associated with equipment disassembly and adjustment.

Advantages: Large-scale warehousing with readily available stock for rapid dispatch and shipment.

Problems Solved: Addresses the costly delays and lost work time caused by fuel system failures affecting high-uptake production tools like construction machinery and commercial vehicles.

Value Brought: The warehousing center maintains a sufficient stock of best-selling specifications year-round. Orders are responded to quickly, with priority packing and shipment within 24-48 hours, significantly shortening logistics and delivery cycles, helping fleets and owners quickly restore equipment availability, and effectively avoiding downtime losses.

Advantages: Special hardened alloy and ultra-wear-resistant hardened coating.

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 Table>

| Parameter Name | Parameter Value |

| --- | --- |

| Product Name | Heavy-Duty Engineering Machinery Electronic High-Pressure Common Rail Injector |

| Standard OE Part Number | 392-0224 |

| Interchangeable Part Number | 3920224 / 10R-9080 / 10R9080 / 20R-0126 / 392-0223 |

| Applicable Engine Platform | C13 / C15 Series 12.5L / 15.2L Diesel Engines |

| Fuel Supply System | High-Pressure Electronic Common Rail Injection System (Common Rail) |

| Core Needle Valve Material | Aerospace-Grade Quenched 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 |

| Working Temperature Range | -40°C to +125°C |

| Internal Sealing Components | Original Equipment Manufacturer (OEM) High-Temperature Resistant and Swell-Resistant Special Fluororubber (FKM O-Rings) |

| Net Weight per Unit | Approx. 1.35 kg / piece |

| Factory Testing Standards | 100% Automated Full-Condition Bench Flow and Sealing Tests |

| </Parameter Table> | |

<Application Scenarios> Mining and Heavy Excavation Operations: Large tracked excavators continuously excavate and load large rocks in harsh, high-dust, and high-load environments, requiring extremely high stability in fuel supply and explosive power. When operators notice a decrease in digging force, severe idling vibration, or black smoke from the exhaust pipe, maintenance personnel should promptly replace the fuel injector with this high-precision model. After replacement, fuel injection atomization is extremely uniform, and the hydraulic system's power output is restored to ample and stable levels, ensuring efficient progress in mining operations.

Large-scale highway infrastructure construction and continuous heavy bulldozing operations: Heavy bulldozers and large loaders require their engines to maintain stable low-speed, high-torque output for extended periods during highway infrastructure operations. When equipment experiences starting difficulties, sluggish acceleration, or abnormally high fuel consumption, the maintenance team will replace the entire fuel supply system. Precise electronic injection control restores smooth engine operation, significantly improving fuel efficiency and acceleration response, avoiding downtime costs.

**Application Scenarios**

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, 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 they are high-quality products from the outset.

Q: How long is the warranty period? What about after-sales service?

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.