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Common Rail Diesel Fuel Injector 1764365 1521978 1521977 1481827 for Scania DC12.14 DC12.03 Dt12.17 Truck
| MOQ: | 1 pieces |
| Price: | US $270-295 / piece |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
| OE No. | 1521977 |
| Type | Fuel Injector Pump |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
This high-pressure electronically controlled nozzle assembly (standard part number: 1521977, common interchangeable and cross-reference part numbers include 1521977PX, 1846350C91, 1846350C92, etc.) is specifically designed for heavy-duty commercial trucks, construction machinery, and high-load diesel power systems. It is a key actuator for achieving high-pressure micro-metering and ultra-rapid atomization of diesel fuel. The product is widely installed in long-haul trucks, large-tonnage engineering dump trucks, special-purpose excavating equipment, and standby diesel generator sets.
This product adheres to the R&D and manufacturing standards of "multi-hole ultra-rapid atomization and high-pressure ultra-micro spray." The internal valve needle assembly and electromagnetic response valve core undergo high-precision grinding and polishing, and the surface is covered with an anti-coking hardening coating, effectively preventing early erosion caused by impurities in inferior diesel fuel. After the equipment is upgraded, drivers and machine operators will experience significant changes: cold starts are quick and smooth, and the severe shaking and vibration at low idling speeds are completely eliminated; under heavy-load climbing steep slopes or high-intensity continuous tunneling conditions, throttle control is tight and smooth, power is continuous and powerful, and exhaust smoke is significantly reduced, resulting in excellent fuel economy for vehicles and machinery.
Advantages: Direct shipping from our self-operated modern production base.
Problems Solved: Addresses issues easily caused by traditional multi-layered OEM and reseller trade, such as excessive tolerances in parts, uneven fuel supply to cylinders, 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 eliminates layers of intermediaries, ensuring consistent injection height in each cylinder, significantly reducing maintenance costs while providing a solid and reliable power guarantee for long-term equipment operation.
Advantages: 100% fully simulated digital bench rigorous quality inspection.
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.
Advantages: A large, readily available inventory and rapid warehousing and distribution.
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.
Advantages: Made of special hardened alloy wear-resistant and corrosion-resistant material.
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.
| Parameter Name | Parameter Value |
|---|---|
| Product Name | Heavy-Duty Diesel Engine High-Pressure Electronic Injector |
| Standard OE Part Number | 1521977 |
| Common Interchange Numbers | 1521977PX / 1846350C91 / 1846350C92 |
| Applicable Engine Systems | Heavy-Duty Diesel Engine High-Pressure Injection System |
| Fuel Supply System | High-Pressure Electronic Common Rail/Unit Injection System |
| Core Valve Core Material | Aerospace-grade hardened 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-hole machining |
| Operating Temperature Range | -40°C to +125°C |
| Internal Sealing Components | Original factory-grade high-temperature resistant, anti-swelling special fluororubber (FKM O-Rings) |
| Net Weight per Unit | Approx. 1.26 kg / piece |
| Testing Standard | 100% Automated Bench Flow and Pressure Testing |
Long-haul logistics and steep mountain climbing: In cross-regional logistics transportation, trucks fully loaded with heavy goods face long-term high-speed cruising and continuous steep slope climbing. By replacing the fuel injector with this high-pressure injector, drivers can clearly feel that the vehicle's upshifts are crisper, the power output is full and does not diminish when the accelerator is pressed, and the diesel fuel is fully combusted, improving climbing torque while effectively reducing overall fuel consumption.
Construction and continuous operation of large heavy-duty machinery: In construction sites with high dust and harsh terrain, heavy equipment frequently operates under heavy loads. This injector, with its microsecond-level electronic control response and ultra-high-pressure atomization capability, ensures that the engine can still output continuous high torque even when facing sudden fluctuations in engine speed. The combined action is smooth and continuous, completely avoiding engine stalling and misfires, ensuring efficient progress in construction.
Q: Can I use it directly after receiving the product? Do I need 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 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 arranged for production line scheduling.
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.
