|
Common Rail Diesel Fuel Injector Assembly 4061851 for Cu-mmins Diesel Enqine Qsm11
| MOQ: | 1 pieces |
| Price: | US $143-159 / piece |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
| OE No. | 4061851 |
| Type | Fuel Injector Pump |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
This high-precision diesel electronic injection assembly (standard part number: 4061851, common interchangeable/cross-part numbers include 4061851PX, 4088665, 4902827, etc.) is specifically designed for high-power commercial heavy trucks, large engineering equipment, and high-load diesel engine systems (such as ISX15 and QSX15 series large-displacement engines). It is the core control component for achieving high-pressure, precise metering and fine particulate injection of diesel fuel. This product is widely installed in long-haul trucks, large-tonnage engineering dump trucks, special-operation excavating equipment, and standby diesel generator sets.
Adhering to the design and manufacturing standards of "high-pressure fine particulate injection and microsecond-level precise control," the internal core needle valve assembly and armature valve core are manufactured using ultra-high precision grinding and ultra-low friction polishing processes. The surface is covered with a high-density, anti-coking hardened coating, which can easily cope with particulate wear caused by poor diesel fuel quality. After your equipment is upgraded, drivers and operators will experience immediate improvements: ignition starts crisply and cleanly, and the severe vibrations and jerks at low idle speeds are completely eliminated; when fully loaded climbing steep slopes or performing high-intensity continuous operations, the accelerator pedal and control lever respond smoothly and precisely, providing consistent and stable power output, effectively reducing exhaust fumes and resulting in excellent overall fuel economy control.
Advantages: Direct shipping from our self-operated modern production base.
Problems Solved: Traditional procurement models involve complex processes and frequent intermediaries, easily leading to deviations in the dimensions of parts, resulting in uneven fuel supply to cylinders and potential high-pressure leaks, while significantly increasing procurement costs.
Value Brought: Based in our standardized self-built production base, we implement precision manufacturing throughout the entire process, eliminating layers of intermediaries and ensuring consistent injection height across all cylinders. This significantly reduces maintenance costs while providing a solid and reliable power guarantee for the long-term operation of the equipment.
Advantages: 100% fully simulated digital bench rigorous quality inspection.
Problems Solved: Inferior, low-end parts can easily lead to unstable power after installation, solenoid valve delays, knocking, cylinder scoring, and wasted time and extra costs due to repeated disassembly and adjustment.
Value Brought: Every injector undergoes fully automated testing on a fully simulated high-temperature, ultra-high-pressure test bench. The injection volume and return oil sealing are precisely calibrated under real-world conditions, ensuring immediate usability after installation and significantly saving time and costs associated with equipment disassembly and adjustment.
Advantages: Regularly available, massive stock and rapid warehousing and distribution.
Problems Solved: Commercial vehicles and construction machinery are high-uptime, high-revenue tools. If a vehicle is paralyzed due to fuel system failure, downtime and lack of materials can result in costly delay compensation and lost work time.
Value Brought: The warehousing center maintains ample stock of best-selling specifications year-round, enabling rapid response after order confirmation and priority packing and dispatch within 24-48 hours. This significantly shortens the logistics and delivery cycle, assisting fleets and owners in quickly restoring equipment availability and effectively avoiding downtime losses.
Advantages: Special hardened alloy wear-resistant and corrosion-resistant material.
Problems Solved: Addresses the issue of premature wear and valve core seizure caused by differences in diesel lubricity and sulfur content in different regions.
Value Brought: Core valve components utilize high-strength special bearing steel and surface anti-corrosion hardening treatment, greatly improving fatigue resistance and wear resistance. Even under harsh environments and prolonged high-load operation, it maintains 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 | 4061851 |
| Common Interchange Numbers | 4061851PX / 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 | High-Temperature Resistant and Swell-Resistant Special Fluororubber (FKM O-Rings) |
| Net Weight per Unit | Approx. 0.91 kg / piece |
| Testing Standard | 100% Automated Bench Flow and Pressure Testing |
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 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 equipment experiences 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 suchs 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.
