| OE No. | 4025280 |
| 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 unit (standard part number: 4025280, common interchangeable/cross-part numbers include 4025280PX, 3013892, 3027588, etc.) is specifically designed for large-displacement heavy-duty diesel power systems (such as ISM11, QSM11, M11 series high-power engines). It is the core control component for achieving high-pressure, precise metering and ultra-fine particle atomization of diesel fuel. The product is widely installed in large-tonnage engineering dump trucks, long-haul heavy trucks, large excavators, and high-load diesel generator sets.
Adhering to the design and manufacturing standards of "high-pressure ultra-fine atomization and microsecond-level precise response," the internal needle valve assembly and control valve core undergo micron-level geometric matching grinding, and the surface is covered with a high-density, anti-coking hardened coating, easily coping with the abrasion caused by impurities in inferior diesel fuel. After installation and refitting, operators will experience a noticeable improvement in power: ignition and starting are clean and crisp, and the severe vibrations at low idle speeds are completely eliminated; during full-load climbing or continuous heavy-load operation, the throttle and control lever responses are crisp and linear, providing a continuous, solid, and stable power output, significantly reduced black smoke emissions, and excellent overall fuel economy control.
Problems Solved: Traditional procurement models involve multiple intermediaries and high turnover, easily leading to dimensional deviations in component fit, resulting in uneven fuel supply to cylinders and potential early high-pressure leaks, while also increasing procurement costs.
Value Brought: Utilizing a standardized self-built production base for end-to-end precision manufacturing eliminates layers of intermediaries, ensuring consistent injection height across cylinders, reducing maintenance costs while providing a robust and reliable power guarantee for long-term equipment operation.
Problem Solved: Low-quality parts can easily lead to unstable power, cylinder scoring, knocking, and wasted time and extra costs due to repeated disassembly and adjustment after installation.
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 adjustment.
Problem Solved: Construction machinery and commercial trucks are high-uptime, high-revenue tools. If a breakdown occurs due to fuel system failure, downtime due to lack of materials will result in costly delay 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 and priority packing and dispatch within 24-48 hours greatly shorten the logistics and delivery cycle, helping fleets and owners quickly restore equipment availability and effectively avoiding downtime losses.
Problem Solved: Differences in diesel lubricity and sulfur content across different regions can easily lead to premature wear of valve components and valve core seizure.
Value Gained: The core valve components are made of high-strength special bearing steel and undergo surface anti-corrosion hardening treatment, significantly improving fatigue resistance and wear resistance. This ensures 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 | 4025280 |
| Common Interchange Numbers | 4025280PX / 3013892 / 3027588 |
| Applicable Engine Models | ISM11 / QSM11 / M11 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. 1.28 kg / piece |
| Testing Standard | 100% Automated Bench Flow and Pressure Testing |
Open-pit mining and continuous loading of large-tonnage rocks: In the dusty and harsh working environment of open-pit mines, heavy equipment is operating at full power to grab and load heavy loads onto hard rock strata. As hydraulic resistance surges instantaneously, the 4025284 injector, with its microsecond-level electronic control response, establishes excellent atomization pressure, ensuring that the engine can still output continuous high torque even when facing drastic speed fluctuations. The complex actions are smooth and continuous, completely avoiding engine stalling and misfires.
High-load, 24/7 power supply and emergency infrastructure support: In remote construction sites or large mining areas lacking stable power grids, large generator sets driven by high-displacement diesel engines serve as the core power source, operating continuously for dozens of hours. With the frequent switching on and off of large specialized electrical equipment on construction sites, the electrical load changes rapidly. The fuel injectors, relying on extremely high consistency and rapid injection control, ensure that the generator set speed remains stable at the standard level, with no drift in output voltage and frequency.
Q: Why are your prices so much lower than local physical stores? Are they brand new?
A: We promise that all products sold are 100% newly manufactured high-quality parts, not recycled or refurbished parts. Because we ship directly from our own factory, eliminating the markups and rental costs of traditional physical stores and multiple layers of distributors, we can offer you the true factory price.
Q: How long after placing an order will it be shipped? How long will it take to receive it?
A: This model is a core stock item in our warehouse. After you complete payment, it will be inventoried, packed, and shipped within 24 to 48 hours. We cooperate with major international express delivery channels, and it usually arrives within 5-9 business days.
Q: What details should I pay attention to when arranging for a technician to install this brand new high-pressure fuel injector?
A: High-pressure fuel systems are extremely sensitive to impurities. Before installation, please thoroughly clean the diesel tank and fuel lines, and replace the fuel filter with a brand new, high-specification one. Ensuring a clean fuel system is a prerequisite for maximizing the performance of the new part and ensuring its extended lifespan.
Q: What should I do if I find an incorrect model number after receiving the goods, or encounter performance abnormalities during subsequent use?
A: As long as the product has not been opened or tested, its appearance and accessories are intact, and it does not affect resale, we offer a 90-day return and exchange guarantee. In addition, the product comes with a 12-month warranty. If a performance failure occurs during the warranty period due to non-human causes, the after-sales customer service team will arrange for a replacement or refund as soon as possible.
