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TD05 20G turbocharger for Subaru Impreza WRX and STI
Upgraded TD05 20G turbocharger for 2002-2006 Subaru Impreza WRX and STI with EJ20 and EJ25 engines. The design utilizes the TD05H turbine, oil and liquid cooling, and an external wastegate.
This model was designed to replace the TD04 turbocharger in select configurations. However, for vehicles factory-equipped with the TD04, modifications to connections, bolts, fasteners, or other system components may be required. Before purchasing, please compare the specifications of your current turbocharger with the product specifications.
Application
- Subaru Impreza WRX, including STI versions
- EJ20 and EJ25 engines
- Yearbooks 2002–2006
- Configurations with TD05 turbocharger; for TD04, installation modifications may be necessary
Confirmed OEM/OE designation
TD05H
Technical data
| Parameter | Value |
|---|---|
| Turbocharger model | TD05 20G |
| Bearing type | Wet Float/Journal Bearing |
| Cooling | Oil + liquid |
| Wastegate | Yes |
| Thrust bearing | 270 degrees |
| Exhaust outlet flange | 5 screws |
| Exhaust gas inlet flange | 3 screws |
| Turbine housing | 7 cm² |
| Turbine wheel inducer diameter | 56 mm |
| Turbine wheel exducer diameter | 48.96 mm |
| Turbine trim | 76.4 |
| Compressor wheel inducer diameter | 52.6 mm |
| Compressor exducer wheel diameter | 67.9 mm |
| Compressor Trim | 59.8 |
| Compressor housing inlet, outer diameter | 57.8 mm |
| Compressor housing inlet, inside diameter | 53.62 mm |
| Compressor housing outlet, outer diameter | 51.2 mm |
| Compressor housing outlet, inside diameter | 41.2 mm |
| Oil supply connection | M10 × 1.5 |
| Oil drain connection | M15 and 2 × M6H |
| Fluid connection | M14 × 1.5 |
| Product dimensions | 29 × 27 × 23 cm |
| Product weight | 7250 g |
Construction and assembly information
- Turbine housing made of QT450-10 ductile iron.
- The turbine wheel is made of K418 alloy steel.
- The compressor housing is made of ZL104 aluminum.
- The compressor blades are cast from aluminum.
- According to source data, the turbocharger is undergoing a balance test using VSR technology.
- Source recommends professional installation; assembly instructions not included.
- Full utilization of the system's capabilities may require additional changes to the intake, exhaust, fuel system and individual tuning.
Helpful information before purchasing
This is a TD05 20G turbocharger for Subaru Impreza WRX and STI models with EJ20 or EJ25 engines from 2002-2006. Before purchasing, confirm your car uses the TD05H system and compare the flanges, oil, and fluid connections. Vehicles with a TD04 turbocharger may require modifications to the connections, bolts, or mounting hardware.
The most important information
- TD05 20G turbocharger with TD05H turbine.
- Designed for Subaru Impreza WRX/STI EJ20 and EJ25, 2002–2006.
- Oil and liquid cooling, sleeve bearing and wastegate.
- The outlet flange has 5 bolts and the inlet flange has 3 bolts.
- The source states a claimed value of up to 380 HP and a maximum value of 420 HP; actual result depends on vehicle configuration and modifications.
Contents of the set
The source confirms the TD05 20G turbocharger, but does not specify additional kit components. Please verify the scope of delivery before purchasing.
Frequently asked questions
How do I check if a part fits?
Compare engine, year, turbocharger model, flanges, and connections with your vehicle's data. This product fits 2002–2006 Subaru Impreza WRX/STI EJ20 and EJ25 models. Installation modifications may be required for earlier TD04 models.
Is the product ready for assembly?
Installation requires compatibility testing and may require additional modifications. The source recommends professional installation and does not provide installation instructions.
Does the offer include a complete set?
The source does not specify the specific scope of the kit beyond the turbocharger. Additional hoses, mounts, and accessories are unconfirmed.
Why is it worth buying from Multigenus?
- Ships from European warehouse for selected offers
- Final price within the EU, excluding customs and import surcharges
- 14 days to return in accordance with EU law
- Pre- and post-purchase support
- The product is described in a way that makes it easier to choose the right variant