Hybrid Turbo 1.4 TDI 68 80 hp, 54399700054, 045253019J, 045253019JV, 045253019JX

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Hybrid Turbo 1.4 TDI 68 80 hp, 54399700054, 045253019J, 045253019JV, 045253019JX
  • Hybrid Turbo 1.4 TDI 68 80 hp, 54399700054, 045253019J, 045253019JV, 045253019JX
54399700054
Year: From 2001, end date unspecified
Power: 68 and 80 hp
displacement: 1.4 l
Engine code: Not specified
Gasket kit
Preparation course
€403.20 VAT included

336 tax excl.

Quantity
Manufacturing time: 15-20 working days

Description

This hybrid turbo for, with a 1., 4 TDI engine, rated at 68 and 80 hp, features d an internal modification designed to optimise d air flow.. Depending on the chosen specification, it combines a high-flow MFS compressor wheel, a 360° bearing retainer and reprofiled housings.

Documented applications cover several models Seat, Skoda and Volkswagen. . Installation is advertised as requiring no modifications, but to make full use of the turbo’s performance characteristics, appropriate engine tuning is required.

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

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

This modification primarily affects the compressor impeller in order d to adapt its compression capacity and air flow rate d. Its performance depends on the engine configuration and the mapping used.

Stage 2
Compressor wheel: MFS high-flow oversized
d ’s intake housing: re-profiled for accommodate the new impeller
Bearing: 360° thrust
Balancing: high-speed at 150,000 rpm on a Cimat VSR test bench

The Stage 2 combines a oversized compressor wheel with a d intake housing adapted. This configuration can move more d air under certain conditions, although the final power output cannot be determined independently of the engine tuning.

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

This modification affects both the compressor and turbine sides. Resizing the impellers and re-profiling the housings can alter both flow rate and response time; the result depends on the overall configuration.

What is a hybrid turbo?

A hybrid turbo is based on a turbocharger architecture designed for accommodate internal modifications. Depending on the upgrade package, these may involve the impellers, housings, thrust bearing 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 compressor wheel: its geometry, the adaptation of the housings and the overall coherence of the assembly are decisive.

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 d. A standard MFS wheel may retain a geometry similar to that d of the original.

An MFS impeller Performance is based on a geometry tailored to the tuning objective. On this product, the impellers listed are described as high-flow models and, for for Stages 2 and 3, as oversized.

A standard MFS impeller can perform just as well 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 flow rate can support an increase in power only with appropriate engine tuning.

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 the arrangement of its blades influence its aerodynamic behaviour and the amount d of air it can move.

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 turbocharger’s response time.

Reliability and balancing of the hybrid turbo

The 360° bearing stop present on each stage helps to distribute the axial forces exerted on the rotating assembly. It does not replace d'proper lubrication or d'correct installation.

High-speed balancing is carried out at 150,000 rpm on a Cimat VSR test bench to minimise vibrations and mechanical stresses on the rotor. This balancing cannot compensate for inadequate lubrication, contamination or incorrect installation.

Engine remapping and preparation

Adjustments to the mapping and boost pressure management are required for to make the most of the turbo’s characteristics. The wastegate must be adjusted during ECU reprogramming.

Depending on the level of tuning, the fuel injection, exhaust system, cooling system, intake system, clutch or gearbox must also be checked and, if necessary, adjusted. The hybrid turbo alone does not determine the engine’s final power output.

Turbo specifications

OEM part numbers

127788
1103838
045253019J
045253019JV
045253019JX
8900-2520
89002520

Manufacturer’s part numbers

54399700054
54399880054

Compatible vehicles and applications

Seat
Cordoba 4 — 80 hp
1.4 TDI — from 2002, end date unspecified
Engine code : unspecified
Ibiza 3 — 80 hp
1.4 TDI — from 2001, end date unspecified
Engine code : unspecified
Ibiza 4 — 80 hp
1.4 TDI — from 2008, end date unspecified
Engine code : unspecified
Skoda
Fabia Phase 2 Praktik — 68 hp
1.4 TDI — from 2002, end date unspecified
Engine code : unspecified
Fabia Phase 2 — 68 hp
1.4 TDI — from 2004, end date unspecified
Engine code : unspecified
Fabia Phase 2 Saloon — 68 hp
1.4 TDI — from 2004, end date unspecified
Engine code : unspecified
Fabia 2 — 80 hp
1.4 TDI — from 2006, end date unspecified
Engine code : unspecified
Roomster — 80 hp
1.4 TDI — from 2006, end date unspecified
Engine code : unspecified
Volkswagen
Polo 8 — 80 hp
1.4 TDI — from 2005, end date unspecified
Engine code : unspecified

Additional technical specifications

Product type: turbo hybrid
Engine: 1.4 TDI
Power: 68 and 80 hp
Engine codes: not specified
Installation: Installation without modification documented

Installation advice

⚠️ WARNING — IMPORTANT BEFORE INSTALLATION

Identify and rectify the cause of the previous fault. Check the lubrication circuit, as well as the oil supply and return d, then check that all pipes are clean.

Check the intake and ensure that no foreign objects can reach the turbocharger. Carry out the priming procedure in accordance with the applicable recommendations and follow the manufacturer’s instructions.

Failure to rectify a lubrication fault may result in the turbocharger failing again.

How do you identify the correct turbocharger?

Check the part number marked on the original turbo d and compare it with the OEM and manufacturer part numbers in this data sheet. Also check the make, model, generation, body style, engine type, power output,Year and engine code where available.

An identical engine specification does not always guarantee compatibility, as there may be several different set-ups for for the same vehicle.

⚠️ 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 you are unsure about the identification, please contact us with the full part number taken from your turbo.

Product Details
54399700054
Hybrid
Attachments
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Installation instructions and pr

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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.

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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.

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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.

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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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