Hybrid Turbo Volkswagen LT 2 , 5 , 83, 90, 95 and 102 – 074145701C, 53149707025. TDI hp

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Hybrid
Hybrid Turbo VW LT 2.5 TDI 83 90 95 102 074145701C  53149707025, 53149807025, 53149887025, 53149907025
  • Hybrid Turbo VW LT 2.5 TDI 83 90 95 102 074145701C  53149707025, 53149807025, 53149887025, 53149907025
  • Hybrid Turbo VW LT 2.5 TDI 83 90 95 102 074145701C  53149707025, 53149807025, 53149887025, 53149907025
  • Hybrid Turbo VW LT 2.5 TDI 83 90 95 102 074145701C  53149707025, 53149807025, 53149887025, 53149907025
53149707025
Year: From 1996 onwards, depending on the role
Power: 83, 90, 95 and 102 hp
displacement: 2.5 l
Engine code: Not specified
Gasket kit
Preparation course
Exchange
€377.99 VAT included

314.99125 tax excl.

Quantity
Manufacturing time: 15-20 working days

Description

This hybrid turbo for, designed for the Volkswagen 2.5 TDI, is based on an internal modification designed to adapt the air flow dand the compression capacity.. Depending on the upgrade package selected, it is fitted with a high-flow MFS compressor wheel, a 360° thrust bearing and reprofiled housings.

It is designed for LT 2 and LT 3 Volkswagen s within the power ratings and installation periods documented below. Its design plug & play allows for Installation without modification of the original layout d.

Available versions — 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 dto adapt the flow rate dto the air, whilst retaining a configuration closer to the original ddesign.

Stage 2
Compressor wheel: MFS high-flow oversized
d’ 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 oversized impeller requires the intake housing to be re-profiled d. This combination aims to increase the compressor’s air displacement capacity d, with performance depending on the engine configuration and mapping.

Stage 3
Compressor impeller: MFS high-flow oversized
Intake housing d: re-profiled for to accommodate the new impeller
Bearing: 360° thrust bearing
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 applies to both the compressor and turbine sides. The increased dimensions and reprofiling of both housings alter the flow conditions and may also affect the turbocharger’s response time.

What is a hybrid turbo?

A hybrid turbo utilises a turbocharger architecture adapted for accommodate internal components that differ from the original dconfiguration. Depending on the stage, the modification may involve the compressor wheel, the turbine wheel, the housings, the thrust bearing system and 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 compressor wheel: the geometry of the wheels and the overall coherence of the unit are decisive.

MFS compressor wheel: standard or Performance?

MFS stands for ‘Milled From Solid’, meaning a wheel machined from a solid block. This technology describes the manufacturing process and, on its own, is not sufficient to prove an increase in air flow d.

A standard MFS impeller may retain a geometry equivalent to the original. An MFS impeller Performance can be given a profile and dimensions tailored to the tuning objective. On this product, the impeller shown is made from forged aluminium and features a configuration that is lighter, larger and taller than the doriginal.

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 help generate more power when the engine is properly tuned, though this alone does not guarantee results.

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. A suitable geometry can move more dair under certain conditions, but 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 a better result and may alter the response time.

Reliability and balancing of the hybrid turbo

The 360° thrust bearing fitted to each stage distributes axial forces over a wide surface area. It helps the bearing adapt to the stresses of the modification without making the turbo immune to faults in assembly or lubrication.

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 during operation.

Engine remapping and preparation

Appropriate engine management is required for to make the most of the hybrid turbo’s characteristics. The mapping, boost pressure and wastegate setting must be checked during reprogramming. Depending on the tuning, the fuel injection, exhaust, cooling, intake and transmission may also require checking or adjustment.

Turbo specifications

OEM part numbers — Volkswagen
074 145 701C
074145701C
Manufacturer part numbers
53149707025
53149807025
53149887025
53149907025
K14-7025

Compatible vehicles and assignments

Volkswagen
LT 2 2.5 TDI — 83, 90, 95 and 102 hp
Engine: 2.5 TDI — from 1996, end date unspecified
Engine codes: unspecified
LT 2 2.5 TDI — 95 and 102 hp
Engine specifications: 2.5 TDI — from 1996, end date unspecified
Engine codes: unspecified
LT 3 2.5 TDI — 83 and 95 hp
Engine specifications: 2.5 TDI — from 2003, end date unspecified
Engine codes: unspecified
LT 3 2.5 TDI — 95 hp
Engine specifications: 2.5 TDI — from 2003, end date unspecified
Engine codes: unspecified

Additional technical specifications

Product type: turbo hybrid
Engine: 2...5 TDI
displacement: 2.5 l
Documented power outputs: 83, 90, 95 and 102 hp
Installation: plug & play, without modification to the layout
Engine codes: not specified

Fitting advice

⚠️ WARNING — IMPORTANT BEFORE INSTALLATION

Identify and rectify the cause of the previous fault before d’installing the turbo. Check the lubrication system, the oil supply and return d’as well as the cleanliness of the pipes.

Check the intake for 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 marked on the original turbo d, the OEM and manufacturer part numbers, as well as the make, model, generation, engine type, power output, installation period and engine code.. An identical engine may be fitted with several different turbo set-ups.

⚠️ 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, contact our team with the full part number taken from your turbocharger.

Product Details
53149707025
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.

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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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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.

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