Hybrid Turbo 1.4 CRDTI – 17201-0N020, 755925

Hybrid
Hybrid Turbo 1.4 CRDTI 755925 17201-0N020
  • Hybrid Turbo 1.4 CRDTI 755925 17201-0N020
  • Hybrid Turbo 1.4 CRDTI 755925 17201-0N020
  • Hybrid Turbo 1.4 CRDTI 755925 17201-0N020
755925
Year: Not specified
Power: Not specified
displacement: 1.4 l
Engine code: Not specified
Gasket kit
Preparation course
Exchange
€482.99 VAT included

402.49125 tax excl.

Quantity
Manufacturing time: 15-20 working days

Description

This hybrid turbocharger, designed for the 1.4 CRDTI engine, is available in three performance levels. Depending on the level chosen, the modifications relate to the MFS compressor wheel, the housings, the turbine wheel, the bearing thrust ring and the rotor balancing.

plug & play ’s design allows for Installation without modification of the original layout d. However, to make full use of its capabilities, the engine must be tuned in a way that is consistent with and suited to the vehicle.

Available tuning options — Stage 1, Stage 2 and Stage 3

Stage 1
Compressor wheel: MFS high-flow
Bearing retainer: 360°
Balancing: high-speed at 150,000 revolutions per minute on a Cimat VSR test bench

This modification primarily affects the compressor section in order d to adjust the compression capacity and air flow rate d whilst retaining the documented configuration of Stage 1.

Stage 2
Compressor impeller: MFS high-flow oversized
d' intake housing: re-profiled for accommodate the new impeller oversized
Bearing thrust ring: 360°
Balancing: high-speed at 150,000 revolutions per minute on a Cimat VSR test bench

The Stage 2 combines a oversized compressor impeller with a d intake housing, re-profiled. This modification is designed to correctly accommodate the new geometry and to enhance the compressor’s performance.

Stage 3
Compressor impeller: MFS high-flow oversized
d intake housing: re-profiled for to accommodate the new impeller oversized
Bearing thrust ring: 360°
Turbine impeller: high flow oversized
Turbine casing: re-profiled for ly to accommodate the new impeller oversized
Balancing: high-speed at 150,000 revolutions per minute on a Cimat VSR test bench

Stage 3 includes modifications to the compressor and turbine sides. The larger impeller dimensions and the re-profiling of the housings may alter the air flow rate d, gas flow rate and response time depending on the engine configuration.

What is a hybrid turbo?

A hybrid turbo is based on an architecture designed for to accommodate internal components that differ from the original configuration d. Depending on the upgrade stage, the modification may involve the compressor wheel, the turbine wheel, the housings, the thrust bearing and balancing.

The aim is d to adjust the compression capacity and the air flow rate d. A hybrid turbo is not defined solely by the appearance of its wheel: the geometry of the components and how they are combined determine its behaviour.

MFS compressor wheel: standard or Performance?

MFS stands for ‘Milled From Solid’, meaning a wheel machined from a solid block. This manufacturing process alone does not guarantee an increase in air flow rate d.

A standard MFS impeller may retain a geometry equivalent to that of the ori d. An MFS Performance impeller may adopt a geometry adapted to the modification, particularly in terms of its profile, dimensions or the shape of its blades, where such modifications are intended.

A standard MFS impeller can be just as glossy as an MFS impeller Performance. It is not its appearance that determines its performance, but its geometry and its ability to move more d air. A higher airflow rate can contribute to an increase in power with appropriate engine tuning, though this alone does not guarantee a specific result.

Why does the geometry of the blades influence the air flow rate d?

The compressor impeller draws in and then compresses the air sent to the engine. Its diameter, profile, height, width and blade arrangement all influence its aerodynamic behaviour. The result also depends on the casings, the turbine wheel, the boost pressure and the engine management system. A larger wheel therefore does not automatically guarantee better performance and may alter the response time.

Reliability and balancing of the hybrid turbo

The documented 360° bearing stop helps to distribute axial forces over a wider surface area. However, it does not replace d the need for proper lubrication or d correct installation.

The rotor is balanced at high speed, at 150,000 revolutions per minute on a Cimat VSR test bench, to minimise vibrations and mechanical stresses. This balancing does not protect the turbocharger against insufficient lubrication, contamination or incorrect installation.

Engine remapping and preparation

The engine map must be adapted for to make the most of the hybrid turbo’s characteristics. Fuel injection, exhaust, cooling, pressure management and the transmission must be adjusted according to the level of tuning. The wastegate must be adjusted during the ECU remapping.

Turbo specifications

Manufacturer’s part numbers
755925-0001
755925-5001S
OEM Reference
17201-0N020

Compatible vehicles and applications

No specific vehicle applications are documented. Compatibility must be confirmed using the original turbo part numbers d and the vehicle’s specifications.

Additional technical specifications

Product type: Hybrid Turbo
Engine type: 1.4 CRDTI
Turbo model: GT1444V
Installation: Plug & play, no modification to the original d layout required

Fitting instructions

⚠️ WARNING — IMPORTANT BEFORE INSTALLATION

Identify and rectify the cause of the previous failure. Check the lubrication circuit, as well as the oil supply and return lines d. Ensure the pipes and inlet are clean and free from foreign objects.

Prime the system in accordance with the applicable recommendations and follow the manufacturer’s instructions. A lubrication fault that is not rectified may lead to further damage to the turbocharger.

How do you identify the correct turbo?

Check the part number of the original turbo d, the OEM and manufacturer part numbers, as well as the make, model, generation, body style, engine type, power output, years of manufacture and engine code. An identical engine type does not always guarantee compatibility.

⚠️ Check your turbo’s part numbers

Before ordering, compare the part number marked on your original turbo d with the part numbers listed in this product description. An identical engine specification does not always guarantee compatibility. If in doubt, please contact us before placing your order.

Product Details
755925
Hybrid
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Turbo: specialists in turbochargers since 2012

ALFI TURBO specialises in the sale of turbochargers for for cars, commercial vehicles, heavy goods vehicles, construction machinery, agricultural machinery and boats: new turbochargers, remanufactured units, hybrid turbochargers, Cartridge and turbocharger spare parts. Over 20,000 items are available.

Find the right turbocharger for your engine

The turbocharger plays a vital role in the operation and performance d of a turbocharged engine. When a turbocharger needs replacing, it is important d to identify the exact part number before ordering.

ALFI TURBO supplies turbochargers for for a wide range of makes and engine types: cars, commercial vehicles, heavy goods vehicles, construction machinery, tractors and agricultural machinery, as well as various marine applications.

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A standard exchange turbo allows you to replace a turbocharger whilst returning the old part where a deposit is required. Our catalogue includes numerous part numbers for from various makes and engine types.

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Hybrid turbos are designed for set-ups requiring greater air flow d and higher performance potential than a standard set-up. Specifications depend on the turbo, its tuning and the engine configuration.

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How do you identify the correct turbo part number?

A single engine type may have been fitted with several different turbochargers depending on theYear, power output, engine version or technical evolution.. The application alone is therefore not always sufficient for to accurately identify the correct turbo.

Before ordering, note down the part numbers shown on the identification plate d of your old turbocharger. This may be d an OEM part number or d a part number from the turbo manufacturer.

Compare these part numbers with those listed on our product pages.. If in doubt, our team can help you verify the part number you are looking for before you place your order.

Turbo failure: identify the cause before replacement

A loss of power, an unusual whistling noise, oil consumption d, abnormal smoke or poor engine performance may be linked to a turbocharger fault.

However, a fault that appears to be turbo-related may also stem d from a lubrication issue, d from contaminated oil, d from a foreign object, from the intake or exhaust systems, or d from another engine peripheral component.

It is therefore important to investigate the cause of the fault before fitting a new turbo or a new Cartridge.

→ Identifying the symptoms d of a turbo failure

→ Understand the main causes of turbo failure d

ALFI TURBO, specialists in turbochargers since 2012

Since 2012, ALFI TURBO has been assisting private individuals and professionals in identifying and replacing turbochargers.

  • over 20,000 items in the catalogue;
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BEFORE REPLACING A TURBO

A turbocharger failure may be the result d of another engine problem. Before fitting d a new turbo or Cartridge, identify and rectify the cause of the original fault to d avoid d damaging the new part.

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