Turbocharger 4389700002 14411-00Q0L

The Turbocharger 4389700002 / 14411-00Q0L is a high-performance forced induction component designed specifically for the Nissan Juke 1.5 dCi 110 HP engine. 

This turbocharger is a crucial element in enhancing the engine’s power output, fuel efficiency, and overall driving experience. By optimizing the air intake process, 

it allows the relatively compact 1.5-liter diesel engine to deliver power levels equivalent to much larger engines, while still maintaining the benefits of improved fuel economy and reduced emissions.

In today’s automotive landscape, turbochargers have become essential, particularly for modern diesel engines, 

and the Nissan Juke benefits greatly from this advanced technology. Let us take a closer look at the features, technical aspects, benefits, and importance of this turbocharger.

Technical Specifications

• Model Number: 4389700002

• OEM Reference: 14411-00Q0L

• Application: Nissan Juke 1.5 dCi 110 HP

• Engine Code: K9K (Renault-Nissan Alliance diesel engine family)

• Fuel Type: Diesel

• Power Output: 110 horsepower (approximately 81 kW)

• Cooling System: Oil and water-cooled

• Design: Variable Geometry Turbocharger (VGT) in most configurations, enabling enhanced efficiency across a wide RPM range

These specifications highlight that the turbocharger is built not only for durability but also for precise performance

 to meet the demands of modern compact SUVs like the Nissan Juke.

How the Turbocharger Works

The primary function of the turbocharger is to increase the density of the air entering the engine’s combustion chamber. 

By compressing the intake air, more oxygen is available for combustion, which results in higher power output without increasing engine displacement.

The 4389700002 / 14411-00Q0L turbocharger operates using exhaust gases from the engine. These gases spin the turbine wheel, 

which is connected via a shaft to the compressor wheel. As the turbine rotates, it drives the compressor, 

which draws in ambient air, compresses it, and directs it into the intake manifold.

The addition of variable geometry technology (if equipped) further enhances this process by adjusting the turbine vane 

angles depending on engine speed and load. This ensures minimal turbo lag at low RPM and maximum efficiency at higher speeds.

Benefits for the Nissan Juke 1.5 dCi 110 HP

1. Improved Power Output

• The turbocharger allows the compact 1.5 dCi diesel engine to produce 110 HP, which is impressive for its size.

• This ensures lively performance, making the Nissan Juke fun and engaging to drive both in the city and on highways.

2. Enhanced Fuel Efficiency

• By optimizing combustion, the turbo ensures that fuel is burned more efficiently.

• This translates into lower fuel consumption compared to naturally aspirated engines with similar power output.

3. Lower Emissions

• More complete combustion reduces particulate matter and harmful emissions.

• This helps the Nissan Juke meet stringent European emission standards.

4. Better Torque Delivery

• Turbocharged diesel engines are known for their strong low-end torque. With the 4389700002 / 14411-00Q0L,

• the Juke delivers smooth acceleration and strong pulling power, making it ideal for both city driving and longer journeys.

5. Durability and Reliability

• Built with high-quality materials and designed to withstand high temperatures and pressures,

• this turbocharger ensures long service life when properly maintained.

Construction and Quality

The turbocharger is built with precision-engineered components to handle extreme operating conditions. Key parts include:

• Turbine Housing: Made from heat-resistant alloys to endure exhaust gas temperatures.

• Compressor Housing: Designed for maximum airflow and pressure stability.

• Bearings and Shaft: Precision-balanced to reduce friction, ensure smooth operation, and extend lifespan.

• Actuator (Electronic or Pneumatic): Controls the variable geometry vanes for optimal performance.

Every unit undergoes rigorous testing and balancing to ensure that it meets OEM performance standards, making it a reliable replacement or upgrade part.

Applications Beyond the Nissan Juke

Although primarily associated with the Nissan Juke 1.5 dCi 110 HP, the 4389700002 / 14411-00Q0L turbocharger 

may also be compatible with other Renault-Nissan Alliance vehicles that use the same 1.5 dCi engine variant. These may include:

• Nissan Qashqai 1.5 dCi

• Renault Megane 1.5 dCi

• Renault Scenic 1.5 dCi

• Renault Clio 1.5 dCi

Compatibility depends on the specific engine code and ECU calibration,

but the wide use of the K9K diesel engine makes this turbocharger relevant for multiple models.

Maintenance and Care

To ensure long-lasting performance of the 4389700002 / 14411-00Q0L turbocharger, proper maintenance is essential:

1. Regular Oil Changes

• Use high-quality engine oil and replace it at recommended intervals.

• Since turbochargers rely heavily on oil for lubrication and cooling, poor oil quality can cause bearing damage.

2. Allowing Cool-Down Time

• After long drives or high-speed operation, it is advisable to let the engine idle for a short period before shutting it off.

• This helps prevent oil coking inside the turbo.

3. Air Filter Maintenance

• Ensure that the engine air filter is clean and functional, preventing dust or debris from entering the compressor side.

4. Avoiding Overloading

• Driving within recommended parameters ensures the turbo is not subjected to unnecessary stress.

By following these steps, the service life of the turbocharger can be significantly extended.

Replacement and Aftermarket Options

The Turbocharger 4389700002 / 14411-00Q0L is available as:

• Brand New Turbocharger – Manufactured to OEM standards, suitable for direct replacement.

• Remanufactured Turbocharger – A cost-effective option where the turbo is restored to like-new condition using OEM parts.

• Cartridge/Core Assembly (CHRA) – Allows repair of the turbocharger without replacing the entire unit, offering a balance between cost and performance.

When replacing a turbocharger, it is important to also check the oil supply lines, intercooler,

 and intake system for cleanliness to avoid premature failure of the new unit.

Conclusion

The Turbocharger 4389700002 / 14411-00Q0L is a vital performance and efficiency-enhancing component for the Nissan Juke 1.5 dCi 110 HP.

 Its advanced design, durability, and efficiency make it indispensable in delivering the balance of power, economy, 

and environmental friendliness that modern drivers demand.

Whether you are a car owner seeking a reliable replacement, a mechanic handling maintenance, or a distributor looking to supply quality turbochargers

 this unit represents a trustworthy solution. With proper care and regular maintenance, it ensures that the Nissan Juke continues to perform at its best,

 offering both driving enjoyment and long-term value.