DLLA150P1666 LIWEI High-pressure Common Rail Diesel Injection Nozzle Engine Great Wall

DLLA150P1666 is a high-pressure common rail diesel injector, produced by China Hanjiang District Zhonglutong Parts Factory, and is compatible with Bosch injector model 0 445 110 293. The nozzle is manufactured using a precision hydraulic grinding process, and the nozzle inlet is specially rounded to optimize the fuel atomization effect and reduce emissions. It complies with ISO 9001 quality system certification and is widely used in commercial vehicles and construction machinery.

 

 

Material and process: High-alloy chromium steel structure, resistant to high temperature and high pressure, suitable for harsh working conditions;

Spray hole design: Multi-hole precision spray hole to ensure uniform fuel injection and improve combustion efficiency;

Adapt to common rail system: Support high-pressure injection (up to 2000Bar or more), meet low emission and high power requirements;

Sealing performance: Double-angle needle valve design reduces fuel leakage and extends service life.

 

 

DLLA150P1666 is mainly used in Great Wall 4-cylinder 2.8L TC turbocharged diesel engines, and the supporting models include:

Great Wall Haval series: such as Haval H5, H9 and other off-road models, the adaptation years are mainly 2015-2020 models;

Great Wall Fengjun pickup: such as Fengjun 5, Fengjun 7, etc., used in logistics and engineering transportation scenarios.

 

 

Installation specifications: Use a torque wrench to tighten according to the 20-30N·m standard to avoid damage to the sealing surface;

Maintenance points: Clean regularly (recommended every 40,000-60,000 kilometers), check the wear of O-rings and needle valve parts, and use clean diesel that meets national standards to reduce the risk of carbon deposition.

With its high precision and reliability, this injector has become a key component of Great Wall diesel power system, taking into account both power performance and environmental protection requirements, and is particularly suitable for high-load transportation and off-road scenarios.

 

product recommendations

DLLA150P1666 for 0445110293/404/407 GREAT WALL

DLLA82P1668 for 0445110305/521 JMC 4JB1

DLLA155P1674 use in 0445110291/447 DEUTZDALIAN CA4DC1-EU3

DSLA146P1675 use in 044110307 KOMATSU PC70-8

DLLA155P1684

DLLA147P1702 apply for 0445110313/445/446 FOTON 4DA1-2B1

DLLA148P1717 apply for 0445110877 NISSAN

DLLA145P1720 service 0445110317/482 4cy1-1.9L/2.5l

DLLA150P1734 application 0445110322/351/398 4cy1-1.9L/2.5l

DLLA145P1738 application 0445110321 JMC 2.5L VM-JE4D25A

 

Regarding the inspection of DLLA142P1595 common rail injectors, the following parameters and precautions should be paid attention to:

Spray cone angle

The spray cone angle of DLLA142P1595 is determined by the manufacturing shape, and wear may cause angle deviation. During the inspection, a standard injector comparison test or special equipment (such as atomization tester) should be used to verify whether the spray cone angle meets the original factory specification7.

 

 

Use professional equipment to observe whether the fuel injection is uniform and mist-like. If there is bifurcation, dripping or poor atomization, it may be due to blockage of the spray hole or wear of the occasional parts, which needs to be cleaned or replaced.

 

Consistency of fuel injection

Multi-cylinder engines need to ensure that the difference in fuel injection volume of each injector does not exceed 5%, which can be detected by a flow tester to avoid power imbalance or excessive emissions due to uneven fuel injection.

 

Notes: Keep the environment clean during operation to prevent impurities from entering the precision parts; check the carbon deposits on the spray holes and the aging of the sealing rings after disassembly, and use ultrasonic cleaning if necessary; reinstall after testing and verify the stability of engine operation

 

 

 

 

 

 

 

 

 

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