2003-2005 Subaru Baja 2.5L H4 SOHC Non-AVCS Engine JDM EJ25 EJ251
Stock number SUB-EN-EJ25-004
$1,549.99
In stock, ships from Grand Rapids
| Stock number | SUB-EN-EJ25-004 |
|---|---|
| Make | Subaru |
| Engine code | EJ25 |
| Fits model years | 2003-2005 |
| Category | Engines, Subaru Engines |
| Shipping weight | 280 lbs (estimated) |
| Condition | Used, imported from Japan, tested before dispatch |
| Warranty | 90 days from delivery |
Prefer to write it down? Call +1 503-551-4892 or email Sales@hanedaautos.com.
Get a freight price firstThis ships by freight. It travels bolted to a pallet, and the price depends on your ZIP, whether the address is residential and whether you need a liftgate. Order online and we will send the freight price before anything leaves the floor, or get the price up front below.
Checking fitment? Call +1 503-551-4892 or email Sales@hanedaautos.com with your VIN and we will confirm it against this unit.
About this unit
| Feature | Detail |
| Engine Code | EJ25 / EJ251 (JDM Version) |
| Displacement | 2.5 Liter |
| Configuration | Horizontally Opposed (Flat-Four) |
| Valve Train | SOHC 16-Valve (Non-AVCS) |
| Block Material | Aluminum Alloy |
| Horsepower | Approx. 165 hp @ 5600 RPM |
| Torque | 166 lb-ft @ 4000 RPM |
Vehicle Fitment
This engine is a direct long-block replacement for the following North American models:
Subaru Baja (Non-Turbo): 2003, 2004, 2005, 2005
Chassis Cross-Compatibility: Also serves as a high-quality donor for 2000–2005 Subaru Outback, Legacy, Forester, and Impreza (SOHC Models).
Compatibility Note: This is a Non-AVCS (Active Valve Control System) engine. It is not compatible with the Baja Turbo (EJ255) or the 2006+ EJ253 i-Active Valve Lift models without heavy modification.
JDM to USDM Installation & Swap Guide
To ensure 100% compatibility and a “first-turn” start in your USDM Baja, professional Subaru technicians recommend the following “External Swap” steps:
Intake Manifold: You must transfer your original USDM Intake Manifold. JDM versions often have different vacuum routing and different EGR (Exhaust Gas Recirculation) configurations that will trigger a Check Engine Light (CEL).
Engine Sensors: Transfer your original USDM PCV Valve, Camshaft and Crankshaft Sensors to the JDM block.
Wiring Harness: Always retain and use your original USDM Engine Wiring Harness. JDM harnesses are configured for right-hand drive and will not interface with your chassis bulkheads.
Exhaust Manifolds: Swap your original USDM Exhaust Manifolds. JDM versions may lack specific oxygen sensor bungs required for North American emissions compliance.
Oil Pan: Inspect the JDM oil pan; if your Baja requires specific ground clearance for the skid plates, you may need to swap your original pan and pickup tube.
What is included
You receive exactly what is pictured. Engines are supplied as a long block assembly with the components visible in the photos. Accessories such as the alternator, starter, intake manifold or sensors are included only where you can see them on the unit, so check the photographs before ordering and ask us if anything is unclear.
Before you order
- Confirm the engine code against your own vehicle, not just the model year.
- Japanese market units can differ from the US version in intake, loom and sensors.
- Replace the timing components, water pump and seals while the unit is out. It is cheap insurance on an engine this age.
- Keep your original accessories until the swap is finished and running.
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