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This hybrid turbocharger is designed for the 1.7 CDTI engines with power outputs of 110 hp and 125 hp, corresponding to the part numbers listed in this data sheet:.. Its modification includes, in particular, a high-flow MFS compressor wheel, a 360° bearing stop and high-speed balancing.
Three levels of preparation are documented. The mechanical modifications differ depending on the stage and must be combined with appropriate engine management.
This modification primarily affects the compressor section. The high-flow MFS impeller is designed to adjust the compression capacity and air displacement d without altering d the documented installation.
The Stage 2 combines a oversized compressor wheel with a reprofiled d intake housing. This modification allows the housing to accommodate the new wheel and can alter the air flow rate d as well as the turbocharger’s response.
Stage 3 features modifications to the compressor and turbine sides. The re-profiling of both housings accompanies the integration of the oversized impellers. The resulting performance depends on the overall engine configuration and its settings.
A hybrid turbo utilises a turbocharger architecture adapted for to accommodate modified internal components. Depending on the upgrade package, the modifications may involve the compressor wheel, the housings, the turbine wheel, the thrust bearing system and balancing.
The aim is d to adapt the compression capacity and air flow rate d. However, a hybrid turbo is not defined solely by the appearance of its impeller: its geometry, the machining carried out and the overall coherence of the unit are decisive factors.
MFS stands for ‘Milled From Solid’, meaning a wheel machined from a solid block. This is d a manufacturing process which, on its own, does not guarantee an increase in air flow d.
A standard MFS impeller may retain a geometry equivalent to that d'of the original. An MFS impeller Performance may adopt a geometry suited to the tuning objective, for example a different profile or dimensions where such modifications are intended.
A standard MFS impeller can be just as shiny 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 power output with appropriate engine tuning, though it does not, on its own, guarantee results.
The compressor wheel draws in and then compresses the air sent to the engine. Its diameter, profile, height, width and the arrangement of its blades influence its aerodynamic behaviour and the amount d of air displaced under certain conditions.
The result also depends on the casings, the turbine wheel, the boost pressure and the engine tuning. A larger wheel does not automatically guarantee better performance and may alter the response time as well as the range d of optimal operation.
The documented 360° thrust bearing distributes axial forces over a wide surface area. It helps the bearing adapt to operating stresses, without making the turbocharger insensitive to poor lubrication or incorrect fitting.
The rotor is balanced at high speed, up to 150,000 rpm, on a Cimat VSR test bench. This process aims to minimise vibrations and mechanical stresses associated with rotation.
d operation of a hybrid turbo requires consistent adaptation of the engine management system. The mapping, boost pressure, fuel injection, exhaust and cooling must be monitored or adjusted according to the level of tuning. The wastegate must be adjusted whilst remapping the ECU. The clutch, transmission and other vehicle components must also be checked in accordance with the configuration.
No detailed list of vehicles, model years or production periods is documented. Compatibility must be established based on the original turbo part number d and the part numbers listed above.
⚠️ WARNING — IMPORTANT BEFORE INSTALLATION
Identify and rectify the cause of the previous fault before d installing the turbo.
Check the lubrication circuit, the oil supply and return lines, and ensure all pipes are clean d.
Check the intake and ensure there are no 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 the turbocharger failing again.
Check the part number engraved or marked on the original turbo d, then compare it with the OEM and manufacturer part numbers in this datasheet.. Also take into account the make, model, generation, body style, engine type, power output ( hp), mountingYear and engine code where available. 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 d turbo with the part numbers listed in this product sheet. An identical engine does not always guarantee compatibility.
If in doubt, contact our team with the full part number taken from your turbo.
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.
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.
You can search for your turbo based on the vehicle or application, engine type, engine code, or directly using d an OEM or manufacturer part number found on your old turbocharger.
Browse our range of new turbochargers for for diesel and petrol engines. ALFI TURBO has over 5,500 new turbochargers in stock for covering a wide range of makes, engine types and turbocharger part numbers.
View new turbochargers →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.
View standard exchange turbochargers →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.
View hybrid turbos →The turbo Cartridge, also known as the central turbo cartridge, comprises the main rotating components of the turbocharger. ALFI TURBO has over 6,000 Cartridge for turbo part numbers.
View turbo Cartridge →Our catalogue covers a wide range of d applications fitted with d a turbocharged engine.
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.
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.
Since 2012, ALFI TURBO has been assisting private individuals and professionals in identifying and replacing turbochargers.
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.
Do you have a turbocharger part number but can’t find the matching part? Are you unsure which part number to choose? Send us the details from your old turbo so that our team can help you identify the part you’re looking for.
CONTACT ALFI TURBO