turbocharger 840169-0004 23870962

The turbocharger is one of the most vital components in today’s automotive engineering, providing enhanced performance, improved fuel efficiency, 

and reduced emissions. For modern compact and mid-size vehicles, turbocharging has become a necessity to balance power with efficiency. 

Among the numerous turbo models available on the market, the NGT1344Z turbocharger, with part numbers 840169-0004 and 23870962, 

stands out as a reliable and high-performing unit specifically designed for the BAOJUN SGMW 1.5T engine.

This introduction aims to provide an in-depth overview of the NGT1344Z turbocharger, its construction, compatibility, technical advantages,

 and the benefits it brings to the BAOJUN SGMW 1.5T platform.

Background of BAOJUN SGMW and the 1.5T Engine

BAOJUN, a brand under SAIC-GM-Wuling (SGMW), has grown significantly in the Chinese automotive market and gained international recognition. 

The company focuses on manufacturing practical, affordable, yet technologically advanced vehicles that appeal to modern drivers.

The 1.5T engine used in BAOJUN vehicles represents the brand’s move towards more efficient and eco-friendly engines without sacrificing performance.

 By incorporating turbocharging technology, the 1.5T engine delivers power comparable to larger naturally aspirated engines, 

while keeping displacement small for better fuel economy and lower emissions. The NGT1344Z turbocharger is a key part of this engineering achievement.

Core Features of the NGT1344Z Turbocharger

1. High-Precision Engineering

• Manufactured with advanced materials capable of withstanding extreme temperatures and high exhaust gas pressures.

• Built to operate at rotational speeds exceeding 200,000 rpm, ensuring fast spool-up and immediate throttle response.

2. Compact and Lightweight Design

• The turbo is specifically tailored for 1.5T engines, offering a perfect balance of size, weight, and output.

• Its compact structure allows it to fit seamlessly into modern engine bays with limited space.

3. Durability and Reliability

• Equipped with high-strength turbine wheels and robust bearing systems.

• Optimized lubrication and cooling channels prevent overheating and reduce wear, extending the service life of the turbocharger.

4. Efficient Boost Delivery

• Provides stable and consistent boost pressure across a wide RPM range.

• Ensures smoother acceleration, higher torque at low RPMs, and better performance during overtaking or climbing.

Construction and Materials

The NGT1344Z turbocharger consists of three primary sections: the turbine, compressor, and center housing.

• Turbine Housing: Constructed from heat-resistant alloys that can endure exhaust temperatures exceeding 900°C.

• This housing channels exhaust gases through the turbine wheel, converting energy from exhaust flow into rotational force.

• Compressor Housing: Made of lightweight aluminum alloy for strength and reduced inertia. The compressor draws in ambient air,

• compresses it, and feeds it into the engine intake manifold at higher density, improving combustion efficiency.

• Center Housing & Rotating Assembly (CHRA): The heart of the turbo, including the shaft, turbine wheel, compressor wheel,

• and bearing system. The NGT1344Z CHRA is designed with precision balancing to minimize vibration and prolong operational life.

Technical Advantages for the 1.5T Engine

1. Improved Power Output

• By forcing more air into the engine, the NGT1344Z enables the 1.5T engine to produce significantly higher horsepower

• and torque compared to a naturally aspirated engine of the same size.

• The result is a responsive and enjoyable driving experience without compromising efficiency.

2. Fuel Efficiency

• Turbocharging allows for a smaller engine displacement while maintaining strong performance.

• The optimized air-fuel ratio ensures that fuel is burned more completely, reducing fuel consumption in daily driving.

3. Lower Emissions

• Better combustion efficiency leads to fewer unburnt hydrocarbons and lower CO₂ output.

• The NGT1344Z turbo helps BAOJUN meet increasingly strict emission regulations.

4. Adaptability to Different Driving Conditions

• Whether in urban traffic, on highways, or in hilly terrains, the turbo ensures consistent performance.

• Low-RPM torque helps in city driving, while high-RPM boost provides power for highway acceleration.

Advantages of Replacement with NGT1344Z

When a turbocharger shows signs of failure—such as loss of power, increased exhaust smoke, excessive oil consumption, or abnormal noises

—it is often necessary to replace the unit. Choosing the NGT1344Z turbocharger (840169-0004 / 23870962) offers several benefits:

• Direct OEM Fitment – No modifications are needed for installation, ensuring a perfect match with the BAOJUN SGMW 1.5T engine.

• Restored Engine Performance – Replacing a worn or damaged turbo with the NGT1344Z restores the vehicle’s original horsepower, torque, and fuel efficiency.

• Cost-Effective Solution – Instead of investing in an entirely new engine or vehicle, replacing only the turbocharger is a more affordable repair option.

• Prolonged Engine Life – A properly functioning turbo reduces engine strain, maintaining a balanced combustion cycle.

Maintenance Recommendations

To maximize the lifespan of the NGT1344Z turbocharger, proper maintenance is essential:

1. Regular Oil Changes – Use high-quality engine oil and change it at recommended intervals.

2. Oil contamination is a leading cause of turbocharger failure.

3. Check Oil Supply Lines – Ensure oil feed and return lines are clean and unobstructed.

4. Warm-Up and Cool-Down – Allow the engine to warm up before heavy acceleration, and let it idle for a short time

5. before shutting off to prevent oil coking inside the turbo.

6. Air Filtration – Use clean air filters to prevent dust and debris from entering the compressor wheel.

Signs of Turbocharger Issues

Drivers should monitor their vehicles for symptoms of turbo malfunction, such as:

• Reduced engine power and sluggish acceleration.

• Excessive smoke from the exhaust (blue, black, or white).

• Whining or high-pitched noises from the engine bay.

• Oil leaks near the compressor or turbine housings.

If these symptoms appear, inspection and possible replacement with the NGT1344Z turbocharger is recommended.

Conclusion

The NGT1344Z turbocharger (840169-0004 / 23870962) is a high-quality, reliable, and efficient component designed specifically for the BAOJUN SGMW 1.5T engine. 

Its robust construction, excellent performance characteristics, and OEM compatibility make it the ideal choice for both replacement and performance restoration.

By installing or replacing with the NGT1344Z, BAOJUN owners can enjoy restored engine performance, improved fuel efficiency, 

and a driving experience that balances power with economy. 

This turbocharger is a testament to the synergy of advanced engineering and practical design, ensuring that the BAOJUN SGMW 1.5T engine 

continues to perform at its peak for many miles ahead.