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Diesel Common Rail Fuel Injector 3406604 3411821 3071497 3087648 4914328 3018835 3079946 for M11 Engine
| MOQ: | 1 pieces |
| Price: | US $131.32-142.32 |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
| OE No. | 3406604 |
| Type | Fuel Injector |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
This high-pressure electronically controlled nozzle device (standard part number: 3406604; common OE cross-reference and interchangeable identification codes include 3406604PX, 3406604RX, 3087557, 3095773, 3095729, etc.) is precision-manufactured for heavy-duty long-haul trucks, large-tonnage engineering transport equipment, and diesel power platforms (such as N14 and NT855 series 14.0L large-displacement diesel engines, commonly installed in heavy-duty long-haul tractor units, large mining dump trucks, and heavy-duty generator sets). As a key metering and spraying actuator in the high-pressure fuel supply system, it can accurately meter diesel fuel and rapidly disperse it into nano-sized micro-atomized particles within a microsecond reaction time, promoting thorough mixing of fuel and intake airflow and releasing strong and stable power output.
The product adheres to the technical manufacturing standards of "high-pressure particle refinement and microsecond-level ultra-fast response." 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 low-friction polishing. The surface is covered with a dense, anti-coking hardened coating, effectively preventing early erosion caused by diesel particulates. After the parts are installed, mechanics and equipment operators will experience a significant performance improvement: crisp and clean starts, with the severe vibrations and jerks at low idling speeds becoming stable; under full-load climbing or high-intensity continuous operation, the control lever and throttle are tight and smooth, acceleration is rapid and powerful, and black smoke emissions are significantly reduced, resulting in excellent overall fuel consumption control.
Advantages: Integrated precision intelligent manufacturing at a self-operated modern production base.
Problems Solved: Traditional OEM and multi-level procurement models involve complex processes that easily lead to excessive tolerances in component fit, uneven fuel supply to cylinders, and high-pressure leaks, while significantly increasing procurement costs.
Value Gained: By relying on a self-built standardized production plant for precision manufacturing throughout the entire process, the layers of intermediaries are eliminated, ensuring consistent injection height across all cylinders. This reduces maintenance costs and provides a solid and reliable power guarantee for long-term equipment operation.
Advantages: Full-condition, ultra-high pressure, dynamic micron-level bench inspection.
Problems Solved: Addresses common issues in low-end components such as injection atomization deviation, incomplete combustion due to sluggish solenoid valve response, engine misfires, idling vibrations, and wasted time and additional costs from secondary disassembly and reassembly.
Value Gained: Each nozzle unit undergoes fully automated digital testing before leaving the factory. Under fully simulated high-temperature and ultra-high-pressure conditions, the injection volume and return oil sealing are precisely calibrated across different pressure ranges, ensuring immediate usability after installation and significantly saving time and costs associated with equipment disassembly and reassembly.
Advantages: Large-scale warehousing with readily available stock and rapid delivery response.
Problems Solved: Commercial vehicles and construction machinery are high-upload, high-revenue tools. If they become stranded due to fuel system failure, the resulting downtime and lack of materials will incur costly delays, 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 is provided, with priority packing and dispatch 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.
Advantages: Nano-level DLC coating and special wear-resistant alloy valve pairs.
Problems Solved: Addressing issues such as premature wear of valve pairs, needle valve jamming, and excessive oil return caused by differences in diesel lubrication and particulate impurities in different regions.
Value Brought: Core valve pairs are made of high-strength special bearing steel with a surface anti-corrosion hardening treatment, significantly improving fatigue resistance and wear resistance. Even under harsh environments and prolonged high-load operation, they maintain stable performance, avoiding the additional costs of frequent disassembly and repair.
| Parameter Name | Parameter Value |
|---|---|
| Product Name | Heavy-Duty Diesel Engine High-Pressure Electronic Injector |
| Standard OE Part Number | 3406604 |
| Interchangeable Part Number | 3406604PX / 3406604RX / 3087557 / 3095773 / 3095729 |
| Applicable Engine Platform | N14 / NT855 Series 14.0L Diesel Engine |
| Fuel Supply System | High-Pressure Electronic Single Unit/Common Rail Injection System |
| Core Needle Valve Material | Aerospace-Grade Quenched Bearing Steel, Corrosion-Resistant High-Hardness Special Alloy Steel |
| Surface Treatment Process | High-Density Ultra-Wear-Resistant DLC Hardened Coating |
| Nozzle Machining Technology | EDM High-Precision Electrical Discharge Micro-Needle Machining |
| Maximum Working Pressure | ≥ 2000 bar |
| Operating Temperature Range | -40°C to +125°C |
| Internal Sealing Components | Original factory-grade high-temperature resistant and swelling-resistant special fluororubber (FKM O-Rings) |
| Net Weight per Unit | Approx. 1.20 kg / piece |
| Factory Testing Standards | 100% automated full-condition bench flow and sealing tests |
Long-haul logistics and highway traction transport: Heavy-duty semi-trailer tractors continuously travel fully loaded on inter-provincial highways and long-distance trunk logistics, placing extremely high demands on engine fuel supply stability and fuel economy. When truck drivers notice sluggish acceleration for overtaking, insufficient power when climbing hills in high gears, or black smoke from the exhaust pipe, mechanics promptly replace the fuel injection valve with this high-precision model. After replacement, fuel atomization is extremely fine and uniform, engine power reserves are fully restored, throttle response is brisk, and overall fuel consumption per 100 kilometers is effectively reduced.
Open-pit mining and large tracked excavator operations: Excavators and mining loading equipment continuously excavate and load large rocks in harsh, high-dust, and high-intensity environments, placing extremely high demands on engine fuel supply stability and power output. When on-site operators notice a decrease in equipment digging force, significant and severe vibration at idle, or frequent black smoke from the exhaust pipe, maintenance personnel promptly replace worn parts and install this high-precision nozzle unit. After replacement, fuel injection atomization is extremely uniform, and the hydraulic system's power output is restored to ample and stable levels, ensuring efficient and uninterrupted mining operations.
Q: Can I use the product directly after installation? Is it necessary to enter a correction code?
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 are the inventory and delivery times for bulk purchases?
A: We own our 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 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 of superior quality from the outset.
Q: What is the warranty period? What about after-sales service?
A: We offer a 12-month warranty period. If 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.
