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2010-2012 Subaru Legacy 2.5L H4 SOHC AVLS Engine JDM EJ25 EJ253

2010-2012 Subaru Legacy 2.5L H4 SOHC AVLS Engine JDM EJ25 EJ253

Stock number SUB-EN-EJ25-002

$1,449.99

In stock, ships from Grand Rapids

Stock numberSUB-EN-EJ25-002
MakeSubaru
Engine codeEJ25
Fits model years2010-2012
CategoryEngines, Subaru Engines
Shipping weight280 lbs (estimated)
ConditionUsed, imported from Japan, tested before dispatch
Warranty90 days from delivery

Prefer to write it down? Call +1 503-551-4892 or email Sales@hanedaautos.com.

Get a freight price first

This 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

FeatureDetail
Engine CodeEJ25 (JDM Replacement for EJ253)
Displacement2.5 Liter
ConfigurationHorizontally Opposed (Boxer) 4-Cylinder
Valve TrainSOHC 16-Valve with AVLS
HorsepowerApprox. 170 hp @ 5600 RPM
Torque170 lb-ft @ 4000 RPM

Vehicle Fitment

This engine is a direct long-block replacement for the following North American models:

  • Subaru Legacy (2.5i, Premium, Limited): 2010, 2011, 2012

  • Subaru Outback (2.5i): 2010, 2011, 2012

  • Compatibility Note: This is the EJ25 AVLS variant. It is a direct mechanical replacement for the USDM EJ253. It is not compatible with Turbocharged (EJ255) or DOHC models.

JDM to USDM Installation & Swap Guide

To ensure 100% compatibility and prevent a Check Engine Light (CEL) using your original ECU, professional Subaru technicians recommend the following “External Swap” steps:

  1. Intake & Exhaust Manifolds: You must transfer your original USDM Intake Manifold and Exhaust Manifold. JDM versions may have different vacuum routing and often lack specific emissions sensors required for North American OBDII compliance.

  2. 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 Legacy’s chassis bulkhead.

  3. Camshaft & Crankshaft Sprockets: You must swap your original USDM Camshaft Sprocket (Driver Side) and Crankshaft Sprocket. The “trigger points” for the sensors on JDM pulleys can differ, which will cause a “No Start” or timing codes if not swapped.

  4. Engine Sensors: Transfer your original USDM Camshaft and Crankshaft Sensors. These are “known-good” for your vehicle’s electrical system.

  5. EGR System: Many JDM EJ25 engines do not come equipped with an EGR port on the driver-side cylinder head. If your USDM Legacy requires EGR, ensure you verify the port or utilize a block-off/adapter strategy as needed.

  6. Oil Pan: Inspect the JDM oil pan; if the donor vehicle was a different chassis (like a Forester or Exiga), swap your original USDM Oil Pan and Pickup to ensure proper subframe clearance.

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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