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This hybrid turbocharger for, designed for the Mercedes 2.7 CDI, features internal modifications to optimise air flow dand compression capacity.. Depending on the selected upgrade package, the configuration includes a high-flow MFS compressor wheel, re-profiled housings and, at the most advanced level, a turbine wheel oversized.
It is designed for the Sprinter 216, 316, 416 and 616 Mercedes s from the 901–904 series in the 156 version hp, from 2004 onwards.. Installation is designed to require no modification d’adaptation provided the part numbers match the original fitment d.
This modification affects the compressor section to dadapt the air flow rate dwhilst retaining a configuration designed for for installation without requiring any modifications dadaptation.
The Stage 2 combines a oversized compressor impeller with a reprofiled dintake casing. This adaptation is designed to ensure the new impeller geometry and its aerodynamic environment work together.
This configuration alters the compressor and turbine sides. The resulting performance depends on the overall engine set-up and cannot be assessed based solely on the size of the impellers.
A hybrid turbo utilises a turbocharger architecture adapted for to accommodate internal components that differ from the original configuration d. Depending on the tuning stage, modifications may involve the compressor wheel, the housings, the turbine wheel, the thrust bearing and the balancing.
The aim is dto adapt the compression capacity and the air flow rate d. However, a hybrid turbo is not defined solely by the appearance of its impeller: the geometry of the components and how they are combined determine its behaviour.
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 wheel may retain a geometry equivalent to that dof the original.
An MFS wheel Performance can be given a geometry tailored to the tuning objective. In this specification sheet, the MFS wheel is described as a forged aluminium wheel, lighter, larger and taller than the d’original, with a claimed 15 per cent higher compression capacity.
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 can contribute to power output only when combined with appropriate engine tuning.
The compressor impeller draws in and then compresses the air sent to the engine. Its diameter, profile, height, width and arrangement of its blades all influence its aerodynamic behaviour. The result also depends on the housings, the turbine wheel, the boost pressure and the engine management system. A larger wheel does not automatically guarantee better performance and may alter the response time.
The 360° bearing stop present on each stage helps to distribute the axial forces exerted on the rotating assembly. It does not, however, replace dthe need for proper lubrication or dcorrect installation.
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, without compensating for any faults d’installation or d’oil supply.
The operation dof a hybrid turbo requires appropriate engine management. The mapping, boost pressure, injection, exhaust and cooling must be checked in accordance with the level of tuning. The wastegate must be adjusted when the ECU is remapped. The transmission and other vehicle components may also require inspection.
⚠️ WARNING — IMPORTANT BEFORE INSTALLATION
Before fitting, identify and rectify the cause of the previous fault. Check the lubrication circuit, the oil supply and return lines d, the cleanliness of the pipes, and check the inlet for any 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 turbocharger failure.
Check the part number marked on the turbo d– the original part number, the OEM and manufacturer part numbers, as well as the make, model, 901–904 series, engine type 2.7 CDI, power output 156 hp and theYear for fitting.. An identical engine type is not always sufficient to confirm 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 data sheet. An identical engine specification does not always guarantee compatibility.
If in doubt, please contact us with the part number clearly visible on your turbocharger.
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