Engine Specifications
| Specification |
Details |
| Engine Code (Part Code) |
EJ20 (EJ203 / EJ205 / EJ20X / EJ20Y) |
| Engine Family |
Subaru EJ Boxer Engine Series |
| Engine Size |
2.0L (1,994 cc) Horizontally Opposed 4-Cylinder (Boxer) |
| Aspiration & Fuel |
Naturally Aspirated (EJ203) / Turbocharged (EJ205 / EJ20X / EJ20Y) |
| Mileage / Condition |
Used Low-Mileage JDM Import (Approx. 50,000–70,000 KM) |
| Testing Status |
Compression Tested, Leak-Down Tested & Steam Cleaned |
| Parts Included |
Complete Engine Assembly with Attached Core Accessories |
| Core Charge |
$0 (No Core Return Required) |
Product Overview & Fitment Highlights
Get your Subaru back on the road with a hand-picked, low-mileage JDM EJ20 complete engine assembly—imported directly from Japan, compression tested, and verified for mechanical integrity.
Why Choose This Engine?
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Low-Mileage JDM Import: Sourced with low average kilometers (approx. 50K–70K KM) to ensure plenty of operational life remaining.
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Fully Tested: Units undergo compression and leak-down testing prior to listing to check cylinder pressures.
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Direct OEM Replacement: Original Subaru Japanese Domestic Market (JDM) complete engine—ideal for replacing worn North American USDM units.
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No Core Return: Keep your old engine block! We do not charge core fees or require trade-ins.
General Vehicle Fitment Reference
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Engine Variations:
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EJ203: Naturally Aspirated SOHC (Fits Impreza, Legacy, Forester 2.0L models).
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EJ205: Single Turbo DOHC (Fits Impreza WRX, Forester XT 2.0L models).
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EJ20X / EJ20Y: Twin-Scroll Turbo Dual AVCS (Fits Legacy GT, WRX STI JDM models; EJ20X = Automatic, EJ20Y = Manual).
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VIN & USDM Swap Verification Recommended: Swapping a JDM EJ20 into a USDM chassis may require swapping over intake manifolds, engine wiring harnesses, crank/cam sprockets, or sensors. Call us at 403.471.7150 or send us your VIN so we can confirm exact variation matching for your chassis!
Components Included vs. Accessories to Transfer
JDM engines are sold as complete assemblies (photos may show a representative unit) , including core intake and exhaust components. However, because Japanese domestic plugs, emissions, and sensor layouts differ from North American models, plan to swap your original sensors and harness for USDM compatibility:
| Included (Attached Core Accessories) |
Transfer / Swap From Original Engine |
| Engine Block & Cylinder Head Assembly |
USDM Engine Wiring Harness & ECU
|
| Intake Manifold & Throttle Body Assembly |
Sensors (USDM Crank/Cam Sensors, Knock Sensor)
|
| Fuel Rail & Injectors |
USDM Emissions & Vacuum Lines |
| Exhaust Manifold & Turbocharger (Turbo models) |
Alternator, AC Compressor & Power Steering Pump (If different)
|
| Timing Covers, Valve Covers & Oil Pan |
Starter Motor |
Compatible Models & Years
| Model |
Year Range |
Drivetrain |
Notes |
| Subaru Impreza WRX |
1999 – 2005 |
AWD |
EJ205 Turbo |
| Subaru Impreza (NA) |
1993 – 2011 |
FWD / AWD |
EJ20 / EJ203 SOHC NA |
| Subaru Forester |
1997 – 2010 |
AWD |
NA & Turbo models |
| Subaru Legacy / Outback |
1998 – 2009 |
AWD |
EJ203 NA / EJ20X Turbo |
Unsure About Compatibility?
Vehicle options, trims, and engine splits can vary. Before placing your order, please contact us with your VIN (Vehicle Identification Number) or send it to us before ordering. Our team will verify exact block, head, and sensor compatibility for your specific vehicle.
Installation & Peripheral Swap Notice:
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Sensor & Harness Swaps: Depending on your vehicle’s exact market, trim, and emission specs, your installer may need to transfer your original engine’s sensors, intake manifold, wiring harness, or oil pan to match your factory ECU.
Disclaimer: This compatibility table is provided for reference purposes only. It is the buyer/installer’s responsibility to confirm that the engine code listed in the specifications above matches their existing vehicle setup prior to installation.
