$3,399.00
Engine Overview
Engine Specs: 2.5L (2,457 cc) Flat 4 (Boxer)
Engine Family: Subaru EJ Family
Aspiration & Fuel: Naturally Aspirated (SOHC i-AVLS) or Turbocharged (DOHC)
Included: Engine Complete Block Assembly
Unsure if this EJ253 engine fits your vehicle? Call our specialists at 403.471.7150 or enter your VIN at checkout to confirm before shipping.
Contact us with your VIN to confirm the correct engine or transmission before ordering.
Delivery takes up to 5 business days. Freight charges depend on your delivery location and are shown at checkout.
Warranty coverage and duration follow the purchased product. No returns for refunds. Faulty-engine exchanges are available under the applicable warranty. View our exchange policy.
Check each listing for new or used condition, mileage, testing details and included components. Contact us if you need clarification before ordering.
| Specification | Details |
| Engine Code (Part Code) | EJ25 (EJ251 / EJ253 / EJ255 / EJ257) |
| Engine Family | Subaru EJ Boxer Engine Series |
| Engine Size | 2.5L (2,457 cc) Horizontally Opposed 4-Cylinder (Boxer) |
| Aspiration & Fuel | Naturally Aspirated (EJ251 / EJ253) / Turbocharged (EJ255 / EJ257) |
| Mileage / Condition | Used Low-Mileage Import / Tested (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) |
Get your Subaru back on the road with a hand-picked, low-mileage EJ25 complete engine assembly—compression tested, steam cleaned, and verified for strong mechanical health.
🏎️ Low-Mileage Condition: Sourced with low average kilometers (approx. 50K–70K KM) to ensure maximum remaining operational life.
🧪 Fully Tested: Every unit undergoes compression and leak-down testing prior to listing to guarantee healthy cylinder pressures.
🔩 Direct OEM Replacement: Original Subaru 2.5L Boxer engine assembly designed for direct drop-in setup.
🛡️ 90-Day Warranty: Covered by our 90-Day Engine Warranty for essential operational protection.
📦 No Core Return: Keep your old engine block! We do not charge core fees or require trade-ins.
Engine Variations:
EJ251: Naturally Aspirated SOHC / MAP Sensor (Fits 1999–2004 Outback, Legacy, Forester, Impreza 2.5L).
EJ253: Naturally Aspirated SOHC / MAF & i-AVLS (Fits 2005–2012 Outback, Legacy, Forester, Impreza 2.5L).
EJ255: Turbocharged DOHC / AVCS (Fits 2006–2014 WRX, Forester XT, Legacy GT, Outback XT).
EJ257: Turbocharged DOHC / Dual AVCS High-Performance (Fits 2004–2021 WRX STI).
VIN & Variant Verification Recommended: Subaru 2.5L engines have distinct variations in cylinder head EGR ports, i-AVLS solenoid setups, single vs. dual AVCS, and intake manifolds across model years. Call us at 403.471.7150 or include your VIN in the order notes so we can verify exact matching before shipping!
Engines are sold as complete assemblies as shown in photos, including attached intake and exhaust core accessories. However, because electrical plug configurations, emissions setups, and sensor layouts vary by year and market, plan to swap your original sensors and harness if necessary:
| Included (Attached Core Accessories) | Transfer / Swap From Original Engine |
| ✅ Engine Block & Cylinder Head Assembly | ❌ Vehicle Engine Wiring Harness & ECU |
| ✅ Intake Manifold & Throttle Body Assembly | ❌ Sensors (USDM Crank/Cam Sensors, Knock Sensor) |
| ✅ Fuel Rail & Injectors | ❌ Vehicle Emissions & Vacuum Lines |
| ✅ Exhaust Manifold & Turbocharger (Turbo models) | ❌ Alternator, AC Compressor & Power Steering Pump (If different) |
| ✅ Timing Covers, Valve Covers & Oil Pan | ❌ Starter Motor |
Delivery takes up to 5 business days. Freight charges depend on your delivery location and are shown at checkout.
Contact us before ordering if you need to confirm delivery arrangements for your address.
Contact us to arrange pickup at 235126 Ryan Rd, Unit 7, Rocky View County, AB T1X 0K1, Canada.
We do not accept returns for refunds. Faulty-engine exchanges are available under the applicable product warranty. JDM Engine Supply pays return freight for a non-working engine being exchanged under warranty. Contact us to arrange the exchange and freight.
| Model | Year Range | Drivetrain | Notes |
| Subaru Impreza / Crosstrek 2.5i | 2005 – 2011 | AWD | EJ253 NA |
| Subaru Legacy 2.5i | 2005 – 2012 | AWD | EJ253 NA |
| Subaru Outback 2.5i | 2005 – 2012 | AWD | EJ253 NA |
| Subaru Forester 2.5X | 2005 – 2010 | AWD | EJ253 NA |
| Subaru Baja | 2003 – 2006 | AWD | NA & Turbo |
Vehicle options, trims, and engine splits can vary. Before placing your order, please contact us with your VIN (Vehicle Identification Number) or add it to your order notes at checkout. Our team will verify exact block, head, and sensor compatibility for your specific vehicle.
🛠️ Installation & Peripheral Swap Notice:
⚠️ Disclaimer: This compatibility table is provided for reference purposes only. It is the buyer/installer’s responsibility to confirm that the engine code (G4FJ) matches their existing vehicle setup prior to installation.
