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Subaru Impreza EJ20 TD04 Turbocharger | 14412AA100 Replacement
Subaru Impreza EJ20 TD04 Turbocharger | 14412AA100 Replacement

OEM 14412AA100 14412-AA100 Turbo TD04 Turbocharger for 2008-11 Subaru Impreza

OE No: 14412AA100 14412-AA100
HG No: HGTB0857
Car Series: Japanese Car
Car Brand: SUBARU
Car Model: 2008-11 Subaru Impreza
Engine Code: EJ20
Warranty: 12 Months

Product Description

Part Number:49377-04000

Turbo Model:TD04

OE Number:14412AA100 14412-AA100

Appicable Models:2008-11 Subaru Impreza with EJ20 Engine

Structure of the Turbocharger

1.Compressor housing

2.Clamps

3.Compressor wheel

4.Oil separator

5.Washer

6.Bushing

7.Bearing housing

8.Gasket

9.Heat shield

10.Exhaust gas wheel with shaft

11.Turbine housing











The Subaru Impreza EJ20 TD04 turbocharger with OE number 14412AA100 is designed as a high-quality OEM replacement for gasoline turbocharged applications. This turbo unit delivers stable boost pressure, fast throttle response, and long-term operational reliability.

Manufactured according to original equipment specifications, this TD04 turbocharger ensures direct fitment and consistent performance for Subaru Impreza models equipped with the EJ20 engine. It is widely supplied to performance parts distributors, automotive wholesalers, and repair networks worldwide.


Product Overview

This turbocharger is engineered to restore factory-level performance for Subaru EJ20 turbocharged engines. By optimizing intake airflow and combustion efficiency, it helps maintain strong power delivery and smooth acceleration under various driving conditions.

Key features include:

  • OEM-standard TD04 housing and cartridge design

  • Precision-balanced turbine and compressor wheels

  • High-temperature resistant alloy materials

  • Optimized oil sealing system

  • Stable boost output across RPM ranges

Each unit is inspected and tested before shipment to ensure consistent product quality.


OE Number and Vehicle Compatibility

This turbocharger is developed based on original reference data and industry cross-matching standards.

Compatible OE reference:

  • 14412AA100

Compatible vehicles include:

  • Subaru Impreza EJ20 Turbo

  • Selected Subaru WRX models with EJ20 engines

Buyers are advised to verify engine type, production year, and original part number before ordering.


Application for Subaru EJ20 Turbo Engine

The EJ20 turbocharged engine is widely used in Subaru performance-oriented vehicles, known for its balance of power and reliability. Turbocharger performance plays a critical role in maintaining acceleration, torque, and fuel efficiency.

This replacement turbocharger is suitable for:

  • Engine rebuild projects

  • Turbo failure replacement

  • Performance restoration

  • Preventive maintenance programs

  • Aftermarket resale and distribution

It helps restore factory boost levels and driving responsiveness.


Manufacturing and Quality Control

Our turbochargers are produced under standardized quality management systems and strict inspection procedures.

Manufacturing and testing include:

  • CNC machining of housings and shafts

  • High-speed dynamic balancing

  • Pressure and leakage testing

  • Oil and water passage inspection

  • Thermal endurance testing

  • Final assembly verification

Each unit is validated to meet OEM performance benchmarks.


Performance Advantages

Compared with worn or low-quality alternatives, this TD04 turbocharger provides significant performance benefits:

  • Faster throttle and boost response

  • Stable pressure at high RPM

  • Reduced turbo lag

  • Improved combustion efficiency

  • Lower engine wear

  • Extended service intervals

These advantages help improve vehicle drivability and long-term reliability.


Installation and Maintenance Recommendations

Professional installation is recommended to achieve optimal turbo performance.

Installation guidelines:

  • Replace engine oil and oil filter before installation

  • Clean oil and coolant lines thoroughly

  • Inspect intake and exhaust systems

  • Pre-lubricate turbo before startup

  • Verify boost control connections

Maintenance recommendations:

  • Use manufacturer-approved engine oil

  • Follow regular service intervals

  • Allow engine warm-up and cool-down periods

  • Monitor boost pressure periodically

Proper installation and maintenance maximize turbocharger service life.


Supply Capacity and Customization Services

We support flexible supply solutions for distributors, wholesalers, and tuning parts suppliers.

Our services include:

  • Stable mass production capacity

  • Bulk order and contract supply

  • OEM and private labeling options

  • Customized packaging solutions

  • Mixed shipment arrangements

Products are packaged to ensure safety during international transportation.


Warranty and After-Sales Support

This Subaru Impreza turbocharger is covered by a 12-month warranty under normal operating conditions.

Warranty coverage includes:

  • Manufacturing defects

  • Material quality issues

  • Assembly-related failures

Our technical support team provides technical consultation and after-sales assistance.


Why Choose Hi-Great EJ20 TD04 Turbocharger

We focus on delivering consistent quality and long-term business value.

Our advantages include:

  • Specialized turbocharger production experience

  • Strict OEM-level quality control

  • Competitive factory pricing

  • Stable international logistics support

  • Complete export documentation

  • Responsive customer service

We aim to build reliable and sustainable partnerships.


Frequently Asked Questions

Is this turbocharger compatible with all EJ20 engines?

This model is designed for Subaru EJ20 turbocharged engines. Compatibility depends on vehicle year and original OE number.


Is this product suitable for performance upgrades?

This unit is designed as an OEM-standard replacement. For high-performance upgrades, please consult our technical team.


Do you support wholesale and distributor orders?

Yes. We offer wholesale pricing and long-term supply programs.


Can I customize packaging or branding?

OEM and private label services are available for qualified bulk orders.


What is the typical delivery lead time?

Lead time depends on order volume and inventory availability. Standard models are usually ready for fast shipment.


Request a Quote for Subaru Impreza EJ20 TD04 Turbocharger

If you are sourcing a reliable replacement for the 14412AA100 turbocharger, please contact our sales team for pricing, technical specifications, and cooperation proposals.

We provide stable quality, competitive pricing, and professional service to support your aftermarket business growth.





Related FAQ

  • Q: Could I purchase other engine parts from your company?

    A: Yes, definitely. We supply engine assembly, engine block, cylinder block, cylinder head, and spare parts applicable with the most of auto cars and trucks. You could leave the OE number or engine number of what you wanna purchase, then we could talk about the details further.

  • Q: What is the delivery date?

    A: Generally, if in small amount, the delivery is 10 work days around after payment, while in large demands, we need to confirm it by fact.

  • Q: What is the terms of payment?

    A: Usually, 30% deposit in advance and 70% payment before shipment.

  • Q: Sample Available?

    A: Yes, it's sure for you to choose sample or samples to test product quality and our service, which is our pleasure.

  • Q: How about the after-sales service?

    A: 12 months quality warranty. Once you meet any problem during application, you could contact us at 24/7.

  • Q: How can you ensure the quality?

    A: We strictly test 100% products before delivery to guarantee each set in excellence.

Product Category

Customer's Packing Box Customized Available

Start by sharing your requirements—we'll help design the perfect custom packing solution for your products. Reach out to HI-GREAT today!