Description
Used Subaru Forester FB25 2.5L Engine for Sale (2011–2016) – JDM Import Drop-In Assembly
This listing is for a used Subaru Forester FB25 2.5L engine for sale, sourced directly from Japan and intended as a replacement engine for compatible Subaru Forester models produced between 2011 and 2016. This engine is a genuine Subaru FB25 flat-four gasoline engine removed from a Japanese-market vehicle and imported as a used unit. It is not refurbished, rebuilt, or remanufactured.
The used Subaru Forester FB25 2.5L engine for sale is supplied as a complete engine assembly with major external components included, making it suitable for a direct replacement when installed by a qualified professional. This option is commonly chosen by customers who need to replace an original engine that has failed due to wear, oil consumption, overheating, or high mileage.
Engine Condition and Source
This is a used Subaru Forester FB25 2.5L engine for sale in used condition. It remains in its original factory configuration and has not been internally modified. As a used engine, cosmetic wear, surface marks, and signs of previous use should be expected.
The engine is sourced straight from Japan (JDM import). Japanese domestic market vehicles are subject to strict inspection systems and are often removed from service earlier than vehicles in other markets. As a result, used engines from Japan are commonly selected for replacement purposes. However, mileage is not guaranteed and should be considered unknown unless otherwise stated.
Prior to shipment, the engine is:
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Drained of fluids
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Cleaned externally
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Visually inspected
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Compression tested to confirm basic mechanical operation
These checks are performed to verify that the engine is suitable for resale as a used replacement unit. They do not represent refurbishment or reconditioning.
Vehicle Fitment Information
This used Subaru Forester FB25 2.5L engine for sale is intended for Subaru Forester vehicles originally equipped with the FB25 naturally aspirated engine.
Compatible Models:
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2011 Subaru Forester
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2012 Subaru Forester
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2013 Subaru Forester
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2014 Subaru Forester
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2015 Subaru Forester
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2016 Subaru Forester
Subaru engines can vary by:
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Emissions configuration
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ECU calibration
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Drivetrain layout
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Regional specifications
Fitment must be confirmed by the buyer or installer before purchase. Compatibility is the buyer’s responsibility.
What Is Included – Engine Assembly
This used Subaru Forester FB25 2.5L engine for sale is supplied as a complete engine assembly with major accessories installed, as shown in product images.
Included Components:
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FB25 long block assembly
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Intake manifolds
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Exhaust manifolds
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Throttle body
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Ignition coil packs
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Fuel injectors
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Fuel rail
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Sensors mounted on the engine
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Alternator
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Air conditioning compressor
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Starter motor
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Power steering pump (if originally equipped on donor engine)
Accessories are included as-is. Minor components, brackets, or sensors may vary depending on the donor vehicle and production year.
Engine Specifications
| Specification | Details |
|---|---|
| Engine Code | FB25 |
| Displacement | 2.5 Litres |
| Configuration | Horizontally Opposed (Boxer) |
| Cylinders | 4 |
| Aspiration | Naturally Aspirated |
| Fuel Type | Gasoline |
| Condition | Used |
| Origin | JDM Import (Japan) |
The FB25 engine platform is commonly used across Subaru’s Forester range and is designed to integrate with Subaru’s all-wheel-drive drivetrain systems when installed correctly.
Intended Use
This used Subaru Forester FB25 2.5L engine for sale is intended for standard replacement use in compatible Subaru Forester vehicles.
Common applications include:
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Replacement of worn or high-mileage engines
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Repair after internal engine failure
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Oil consumption–related replacement
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Overheating or mechanical damage
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Long-term vehicle ownership repair
This engine is not intended for performance upgrades, forced induction conversions, racing applications, or use outside factory specifications without additional modifications.
Installation Requirements
Professional installation is strongly recommended. Subaru boxer engines require precise procedures for timing, torque sequencing, and component alignment.
During installation, the following should be addressed:
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Replacement of wear items (gaskets, seals, belts)
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Verification of ECU compatibility
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Transfer of vehicle-specific sensors if required
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Proper priming and fluid replacement
Improper installation may result in drivability issues or engine damage. The seller is not responsible for installation errors.
Emissions and Compliance Notice
This used Subaru Forester FB25 2.5L engine for sale is a Japanese-market engine. Emissions equipment and configuration may differ from U.S.-market vehicles.
The buyer is responsible for:
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Confirming emissions compliance
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Verifying legality in their state or jurisdiction
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Ensuring compatibility with local regulations
No guarantees are made regarding emissions certification or inspection approval.
Shipping Information
This engine ships via freight carrier within the Continental United States.
Shipping Details:
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Secure palletized freight shipment
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Liftgate delivery included
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Delivery appointment scheduling
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Tracking number provided
A commercial delivery address is recommended. Residential delivery may require additional coordination.
Important Notes on Used Engines
Please be aware of the following:
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This is a used engine, not new or rebuilt
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Mileage is not guaranteed
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Cosmetic wear is normal
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Accessories are included as-is
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No claims are made beyond the stated condition
By purchasing this used Subaru Forester FB25 2.5L engine for sale, the buyer acknowledges and accepts these conditions.
Summary
This used Subaru Forester FB25 2.5L engine for sale provides a practical replacement option for compatible 2011–2016 Subaru Forester models. Sourced directly from Japan and supplied as a complete engine assembly, it is intended for customers seeking a factory-correct used engine without refurbishment or modification.
When installed correctly by a qualified professional and matched properly to the vehicle, this engine can serve as a suitable replacement for an original FB25 engine that is no longer serviceable.








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