| OE No. | 3349861 |
| Type | Fuel Injector Pump |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
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Wholesale Nta855 Diesel Engine Parts PT Pump Common Rail Fuel Injector 3071497 3064457 3071494 for Nt855-G4 Series
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Wholesale Nta855 Diesel Engine Parts PT Pump Common Rail Fuel Injector 3071497 3064457 3071494 for Nt855-G4 Series
| MOQ: | 1 pieces |
| Price: | US $145-165 / piece |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
Detail Information
Place of Origin
China
Brand Name
hardsench
Model Number
3349861
Model NO.:
3349861
Fuel:
Diesel
Body Material:
Steel
Component:
Fuel Injection Device
Cylinder:
Multi-cylinder
Condition:
New
Selling Units:
Single Item
Universalfitment:
Yes
Single Package Size:
36X16X6cm
Material:
Steel
Purpose:
For Replace/Repair
OE No.:
3349861
MOQ:
1PC
Fuel Type:
Diesel
Neutral Packing Or Customize:
Neutral Packing
Type:
Fuel Injector Pump
Single Gross Weight:
2.000 Kg
Trademark:
Hardsench
Origin:
Hubei, China
HS Code:
8409991000
Production Capacity:
5000piece
Product Description
Product Description
Packaging & Shipping
Company Information
This high-pressure electronically controlled nozzle device (standard part identification code: 3349861, common OE cross-reference and interchangeable parts include 3349861PX, 3349861RX, 3803637, 3095773, 3087557, etc.) is precision-engineered for heavy-duty trucks, large-tonnage engineering equipment, and high-power industrial diesel power platforms (such as N14 and NT855 series 14.0L large-displacement diesel engines, matched with heavy-duty trunk line tractor units, large mining dump trucks, and heavy-duty generator sets). As a key metering and spray 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, achieving complete mixing and full combustion of fuel and intake airflow.
The product adheres to the technical specifications of "high-pressure micro-atomization and millisecond-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, drivers and on-site maintenance personnel will experience a significant performance improvement: crisp and clean starts, with the severe vibrations and shaking at low-speed idling completely eliminated; under full-load high-speed cruising or steep incline conditions, the accelerator pedal response is firm and smooth, acceleration is rapid and continuous, while significantly reducing black smoke emissions, resulting in excellent overall fuel consumption control.
Product Advantages
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-long. 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 Table
| Parameter Name | Parameter Value |
|---|---|
| Product Name | Heavy-Duty Diesel Engine High-Pressure Electronic Injector |
| Standard OE Part Number | 33498 |
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