Turbocharger 790179 790179-0002 144110920

The GTB1549L Turbocharger 790179 790179-0002 144110920 is a high-performance turbocharger designed for the Renault Master 2.3 dCi engine, 

delivering 150 horsepower (HP) and 110 kilowatts (kW) of power. It is an essential component that enhances the vehicle’s overall performance, efficiency,

 and durability. Built with advanced engineering by Garrett, a world-leading turbocharger manufacturer, the GTB1549L combines precision, reliability,

 and innovation, making it one of the most trusted options for Renault commercial vehicles.

1. Compatibility and Applications

This turbocharger is specifically engineered for the Renault Master 2.3 dCi diesel engine, widely used in light commercial vehicles (LCVs) 

and vans across Europe and global markets. The Renault Master is popular among businesses and fleet operators due to its fuel economy, 

durability, and strong load-carrying capability.

The GTB1549L turbocharger supports the M9T engine code found in Renault Master vans produced after 2010. Its design ensures compatibility with:

• Renault Master III (2010 – present)

• Nissan NV400 2.3 dCi (sister model)

• Opel/Vauxhall Movano 2.3 CDTi

This broad compatibility makes it a versatile replacement turbocharger for multiple vehicle brands that share Renault’s engine platform.

2. Technical Specifications

• Model: GTB1549L

• 
  

• Part Numbers: 790179, 790179-0002, 144110920

• Engine Type: 2.3 dCi M9T diesel engine

• Power Output: 150 HP / 110 kW

• Displacement: 2299 cc

• Application: Renault Master III and equivalent vans

• Technology: Variable Geometry Turbocharger (VGT/VNT)

The Variable Geometry Technology (VGT) allows the turbocharger to adjust the flow of exhaust gases with precision, 

ensuring consistent boost pressure across different engine speeds. This results in smoother acceleration, better low-end torque, and optimized fuel efficiency.

3. Key Features and Advantages

The GTB1549L turbocharger offers several benefits that contribute to enhanced vehicle performance and reliability:

a) Improved Power Delivery

By compressing intake air and forcing it into the engine, the turbocharger significantly increases the volume of oxygen available for combustion. 

This leads to a higher power output without increasing engine displacement, allowing the 2.3 dCi engine to achieve 150 HP efficiently.

b) Fuel Efficiency

The VGT mechanism ensures optimal air-fuel ratio, reducing fuel consumption while maintaining strong engine performance. 

For commercial vehicles like the Renault Master, this translates into lower operating costs and better fuel economy over long distances.

c) Durability and Longevity

Constructed from high-quality materials, including heat-resistant alloys, the GTB1549L is designed to withstand extreme

 temperatures and pressures within the turbo system. Its robust build ensures long service life even under heavy-duty usage.

d) Reduced Emissions

With precise boost control, the turbocharger improves combustion efficiency, resulting in lower CO₂ and NOx emissions. 

This is especially important for vehicles that must meet strict European emission standards such as Euro 5 and Euro 6.

e) Smooth Driving Experience

Thanks to VGT technology, the turbo reduces turbo lag and ensures responsive acceleration, making driving more enjoyable and predictable, whether in city traffic or on highways.

4. Importance in Commercial Vehicles

For a light commercial vehicle like the Renault Master, performance, reliability, and efficiency are critical. The GTB1549L turbocharger plays a central role in enabling the engine to:

• Carry heavy loads without loss of power

• Maintain stable performance over long distances

• Deliver cost savings through reduced fuel consumption

• Meet emission regulations required for commercial fleets

Fleet operators benefit from improved vehicle uptime, reduced maintenance costs, and extended service intervals due to the turbocharger’s reliability.

5. Replacement and Maintenance

When replacing a turbocharger, it is essential to ensure correct installation and maintenance practices to achieve maximum service life.

Replacement Guidelines:

• Verify the correct part number (790179, 790179-0002, 144110920) before installation.

• Ensure the lubrication system is clean and oil lines are free from blockages.

• Always replace the oil and oil filter when installing a new turbocharger.

• Check intercooler and air intake system for carbon deposits or debris.

Maintenance Tips:

• Use only manufacturer-recommended engine oil.

• Allow the engine to idle briefly before shutting off to cool the turbo.

• Regularly service the engine to prevent oil contamination.

• Avoid aggressive driving immediately after starting a cold engine.

Proper care extends the life of the GTB1549L and ensures reliable performance.

6. Why Choose the GTB1549L Turbocharger?

The GTB1549L stands out due to its precision engineering and compatibility with Renault’s 2.3 dCi engine.

Compared with aftermarket alternatives, genuine or OE-spec GTB1549L units offer:

• Perfect fitment and hassle-free installation

• Proven reliability under commercial usage conditions

• Optimal fuel efficiency and emission compliance

• Long-term durability with fewer breakdowns

For vehicle owners and fleet operators, choosing a high-quality turbocharger like the GTB1549L minimizes downtime and maximizes vehicle efficiency.

7. Market Demand and Availability

The Renault Master 2.3 dCi is widely used across Europe and other regions as delivery vans, shuttle vehicles, and commercial fleet carriers. 

The growing demand for replacement turbochargers like the GTB1549L reflects the high mileage and workload these vans endure.

Both brand-new and remanufactured versions of this turbocharger are available in the market, catering to different budget requirements. 

Genuine Garrett turbochargers ensure consistent quality, while remanufactured units provide a cost-effective solution when sourced from reputable suppliers.

8. Conclusion

The GTB1549L Turbocharger (Part Numbers 790179, 790179-0002, 144110920) is an essential performance 

component for the Renault Master 2.3 dCi 150HP 110Kw engine. Designed with variable geometry technology, it delivers power,

 efficiency, and reliability demanded by commercial vehicle users. Its ability to improve fuel economy, reduce emissions,

 and withstand demanding workloads makes it a trusted choice for drivers and fleet operators alike.