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TD05 20G Turbocharger Water Cooled for 2002-2006 Subaru IMPREZA WRX EJ20 EJ25

TD05 20G Turbocharger Water Cooled for 2002-2006 Subaru IMPREZA WRX EJ20 EJ25 is a direct-fit performance turbo with water-cooled center housing, priced at $129.65. Ideal for WRX owners upgrading forced induction for improved throttle response and power output.

$129.65

● In stock

Buy at Lab Work Auto →

Price and availability may change. Click to see current details on Lab Work Auto.

Key features

  • Water-cooled center housing for heat management
  • Direct fit for 2002–2006 WRX EJ20 and EJ25 engines
  • TD05 20G compressor for improved airflow
  • Rebuildable and serviceable design
  • Cast turbine housing for durability
  • No installation instructions included
  • SKU F8-016922 for accurate ordering

Pros

  • +Affordable performance upgrade at $129.65
  • +Water cooling improves thermal efficiency
  • +Compatible with stock manifolds and downpipes
  • +Supports moderate power gains over stock
  • +Rebuildable for long-term use
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Cons

  • No installation guide included
  • Requires professional tuning and setup
  • May need upgraded oil and coolant lines
  • Not plug-and-play; modification likely needed

About TD05 20G Turbocharger Water Cooled for 2002-2006 Subaru IMPREZA WRX EJ20 EJ25

What is TD05 20G Turbocharger Water Cooled for 2002-2006 Subaru IMPREZA WRX EJ20 EJ25?

The TD05 20G Turbocharger Water Cooled is a direct-replacement performance turbo unit designed specifically for 2002–2006 Subaru IMPREZA WRX models equipped with EJ20 or EJ25 engines. This turbocharger features a water-cooled center housing to manage heat soak during high-load driving, making it a reliable upgrade for enthusiasts seeking improved boost response and sustained performance. Priced at $129.65 and sold by Lab Work Auto, it’s an accessible option for turbo swaps or replacements without sacrificing compatibility.

Key features

  • Water-Cooled Center Housing — Reduces heat soak and improves durability under performance use.
  • Direct Fit for EJ20/EJ25 — Matches OEM mounting points and flange patterns for 2002–2006 WRX models.
  • TD05 20G Compressor Wheel — Balances airflow and spool time for responsive mid-range power.
  • Rebuildable Design — Allows for future servicing or upgrades with common tools.
  • Cast Turbine Housing — Durable construction withstands high exhaust temperatures.
  • No Installation Guide Included — Requires professional knowledge for proper setup.
  • SKU F8-016922 — Ensures correct part matching during purchase.

Who is TD05 20G Turbocharger Water Cooled for 2002-2006 Subaru IMPREZA WRX EJ20 EJ25 for?

This turbocharger is ideal for Subaru WRX owners performing engine builds, replacing worn turbos, or upgrading from stock TD04 units. It suits DIY mechanics with advanced skills or professionals handling performance tuning and forced induction work. Not recommended for beginners due to the need for calibration, oil and coolant line routing, and potential ECU tuning.

How does TD05 20G Turbocharger Water Cooled for 2002-2006 Subaru IMPREZA WRX EJ20 EJ25 compare?

Compared to stock TD04 turbos, the TD05 20G offers increased airflow and better thermal management thanks to water cooling. It outperforms non-cooled variants in sustained driving and track use. While not as large as race-only units like TD05 25G or HTA models, it strikes a balance between responsiveness and power gains for street and mild performance use. It’s more affordable than full aftermarket kits but requires additional components for complete installation.

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Best use cases

  • Replacing failed stock turbo
  • Upgrading from TD04 to TD05 20G
  • Supporting tuned EJ20/EJ25 builds
  • Street performance and mild track use
  • Restoring OEM+ reliability
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Is TD05 20G Turbocharger Water Cooled for 2002-2006 Subaru IMPREZA WRX EJ20 EJ25 right for you?

This turbo is best for experienced Subaru enthusiasts or professional mechanics upgrading or replacing a failed turbo. It requires knowledge of turbo installation, oil and coolant plumbing, and ECU tuning. Confirm fitment with your specific EJ20 or EJ25 variant. Alternatives include full turbo kits with gaskets and hardware, or higher-flow TD05 25G units for more power.

How it compares: Compared to non-water-cooled turbos, this unit runs cooler and lasts longer under stress. It’s more affordable than full aftermarket kits but lacks included hardware or tuning. Offers better spool than larger race turbos while supporting more power than stock TD04 units.

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Frequently Asked Questions

What vehicles fit the TD05 20G Turbocharger?

This turbo fits 2002–2006 Subaru IMPREZA WRX models with EJ20 or EJ25 engines. Always verify your engine code and turbo configuration before purchase to ensure compatibility with your existing manifold and downpipe.

Does the turbo include installation hardware?

No, the TD05 20G Turbocharger does not include gaskets, bolts, or installation instructions. You’ll need to source mounting hardware and potentially upgrade oil and coolant lines for proper installation.

How does water cooling improve turbo performance?

Water cooling reduces heat soak in the center housing, lowering oil coking risk and extending bearing life. This is especially beneficial during repeated hard driving or track use where sustained boost increases thermal load.

Is tuning required after installation?

Yes, ECU tuning is strongly recommended after installing this turbo. Changes in airflow and boost response require fuel, timing, and boost pressure adjustments to ensure safe and optimal performance.

Can I use this turbo for a high-horsepower build?

The TD05 20G supports moderate power increases, typically up to 300–350 wheel horsepower. For higher outputs, consider larger turbos like the TD05 25G or hybrid units designed for increased airflow.

How much does TD05 20G Turbocharger Water Cooled for 2002-2006 Subaru IMPREZA WRX EJ20 EJ25 cost?

TD05 20G Turbocharger Water Cooled for 2002-2006 Subaru IMPREZA WRX EJ20 EJ25 is $129.65 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.

Is TD05 20G Turbocharger Water Cooled for 2002-2006 Subaru IMPREZA WRX EJ20 EJ25 in stock at Lab Work Auto?

Yes, TD05 20G Turbocharger Water Cooled for 2002-2006 Subaru IMPREZA WRX EJ20 EJ25 is currently in stock at Lab Work Auto.

Specifications

SKU
F8-016922
Last updated May 14, 2026