🛠️ 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 |
| Warranty | 90-Day (3 Months) Warranty Included |
| 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: Every unit undergoes compression and leak-down testing prior to listing to guarantee healthy 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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🛡️ 90-Day Warranty: Covered by our 90-Day Engine Warranty for essential operational protection.
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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 include your VIN in the order notes so we can confirm exact variation matching for your chassis!
⚙️ Components Included vs. Accessories to Transfer
JDM engines are sold as complete assemblies as shown in photos, 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 |






