4954892 New Diesel Fuel Injector Injection Nozzle for Cu-mmins Qsk45 Qsk60 Engine

Product Description

OE No.	4954892
Type	Fuel Injector Pump
Car Make	Diesel Car
Packing	Neutral Packing or Customize Packing
Warranty	1 Year
MOQ	1PC

Packaging & Shipping

Company Information

Product Description

This industrial-grade electronically controlled high-pressure common rail injector (OE part number: 4954892, common interchangeable part numbers include 0445120217, 0445120217, 4954892PX, etc.) is a high-precision fuel supply core specifically developed for commercial heavy-duty and high-intensity work power systems. This product is widely used in various high-power electronically controlled common rail diesel engines and is perfectly compatible with heavy-duty trucks for long-haul logistics, large engineering dump trucks, intercity passenger buses, and various special construction machinery.

Adhering to the manufacturing philosophy of "millisecond-level precise response and ultra-fine particle atomization," the internal core needle valve assembly and armature valve component undergo micron-level geometric matching grinding, and the surface is covered with a high-density, wear-resistant, hardened coating, exhibiting excellent anti-coking and corrosion resistance. After replacing your vehicle or equipment with this brand-new injector system, you'll immediately notice the crisp, clean engine ignition during actual driving or operation, and the complete elimination of severe vibrations and intermittent noises at low idle speeds. When encountering heavy loads climbing steep slopes or high-intensity continuous operation, the control lever and accelerator pedal provide responsive and agile feedback, delivering a continuous, smooth, and stable power output, significantly reducing exhaust emissions and resulting in excellent overall energy consumption control.

Product Advantages

• Direct shipping from our self-built modern production base eliminates markups from intermediaries: Addressing the problems of multi-level distribution, high final prices, and cumbersome technical support communication in traditional procurement channels, we leverage our own automated factory to conduct independent direct sales. This flat supply model eliminates all intermediary markups, directly reducing daily wear and tear parts expenses for fleets and repair shops, making long-term equipment operation and maintenance more cost-effective.
• Sufficient and readily available dedicated inventory prevents revenue losses due to downtime and parts shortages: Commercial vehicles and construction machinery are high-upload revenue assets. If they become stranded due to fuel system pressure leaks, it results in costly downtime losses and default risks every day. Therefore, we have established a dedicated inventory warehouse for this popular model. Once an order is confirmed, it can be packed and shipped within 24-48 hours, using fast logistics response to help your equipment quickly return to the work site.
• 100% fully simulated digital bench rigorous quality inspection eliminates early failures and high-pressure leakage risks: Addressing the quality issues commonly found in low-quality parts on the market, such as solenoid valve delays, internal pressure leaks, and needle valve jamming, every injector undergoes a fully automated common rail test bench before leaving the factory. Under 100% fully simulated high-temperature and ultra-high-pressure real-world working conditions, the starting fuel quantity, full-load discharge, and return fuel airtightness are checked point by point to ensure that every product delivered to you possesses superior durability and consistent quality.
• High-pressure resistant and wear-resistant specially hardened material, long-term performance for complex and harsh working conditions: Addressing the challenge of premature wear of valve components caused by differences in diesel lubricity and sulfur content across different regions, the core valve assembly is made of high-strength special alloy steel, combined with a surface ultra-wear-resistant hardening treatment. This significantly enhances fatigue and corrosion resistance, maintaining stable performance even during prolonged operation under harsh conditions, effectively avoiding the additional costs associated with secondary disassembly and maintenance.

Parameter Table

Application Scenarios

Long-distance trunk logistics and steep mountain climbing: In cross-regional logistics transportation, trucks fully loaded with heavy goods need to 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 upshifting and acceleration are more crisp, the power output is full and does not decrease when the accelerator is pressed, and the diesel fuel is fully combusted, which improves climbing torque and effectively reduces overall fuel consumption.

Construction engineering and continuous operation of large heavy-duty machinery: In construction sites with high dust and harsh terrain, heavy equipment is frequently operating under heavy load. This fuel 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 drastic fluctuations in engine speed. The smooth and continuous compound action completely avoids engine stalling and misfires, ensuring efficient progress in construction.

Frequently Asked Questions