$4,099.00
Engine Overview
Engine Specs: 2.5L (2,498 cc) Flat-4 (Boxer)
Engine Family: Subaru FB Series
Aspiration & Fuel: Naturally Aspirated (DOHC Chain-Driven)
Included: Engine Complete Block Assembly
Unsure if this FB25 engine fits your vehicle? Call our specialists at 403.471.7150 or enter your VIN at checkout to confirm before shipping.
Every engine is verified for your vehicle. If it isn't the correct fit, you'll receive a full refund.
Professionally packaged to protect your engine during shipping across Canada
Your purchase is backed by a 6-month warranty for added confidence and peace of mind.
We supply only tested OEM engines - never rebuilt, remanufactured, or used.
| Specification | Details |
| Engine Code (Part Code) | FB25 (FB25B / FB25D) |
| Engine Family | Subaru FB Boxer Engine Series |
| Engine Size | 2.5L (2,498 cc) Horizontally Opposed 4-Cylinder (Boxer) |
| Aspiration & Fuel | Multi-Point Injection (FB25B) / Direct Injection (FB25D) |
| 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) |
Restore efficient, smooth power to your Subaru with a hand-picked, low-mileage FB25 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 FB-series 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:
FB25B (MPi / Port Injected): Multi-Point Injection / Dual AVCS (Fits 2011–2018 Forester 2.5L, 2013–2019 Outback 2.5L, 2013–2019 Legacy 2.5L).
FB25D (GDI / Direct Injected): Direct Injection with higher compression ratio (Fits 2019+ Forester, 2020+ Outback, 2020+ Legacy, 2021+ Crosstrek 2.5L).
VIN & Variant Verification Recommended: Port-Injected (FB25B) and Direct-Injected (FB25D) engines use completely different cylinder heads, high-pressure fuel pumps, intake manifolds, and wiring harnesses and are not interchangeable. Call us at 403.471.7150 or include your VIN in the order notes so we can confirm 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 (HPFP included on FB25D) | ❌ Vehicle Emissions & Vacuum Lines |
| ✅ Exhaust Headers, Valve Covers & Timing Cover | ❌ Alternator, AC Compressor & Power Steering Pump (If different) |
| ✅ Oil Pan & Internal Oil Pump | ❌ Starter Motor |
All engines are packaged with care and shipped via standard heavy-duty commercial freight to ensure your order arrives safely and undamaged.
Order Processing: Orders are prepped, strapped to a heavy-duty wooden pallet, and dispatched within 24 to 48 business hours.
Estimated Transit Time: 3–7 business days across Canada (depending on destination).
Tracking: You will receive a tracking/pro-number via email as soon as your pallet is loaded and dispatched.
Requirements: Business location with a loading dock, forklift, or heavy hoist equipment capable of unloading a freight truck.
Fastest Option: Commercial deliveries generally move faster through freight carrier networks with no appointment delays.
We can deliver directly to your chosen repair facility or mechanic shop. Please ensure the shop is aware of the incoming pallet delivery.
Liftgate Service: Available at checkout. The carrier will use a hydraulic liftgate to safely lower the engine pallet from the truck to ground level.
Delivery Appointment: The freight carrier will contact you via phone prior to delivery to schedule a required delivery time window. Someone must be present to sign for the shipment.
Local pickup is available at our Calgary facility during regular business hours. Please contact us in advance to schedule your pickup window.
Inspect Before Signing: Please inspect the exterior box/crate and engine for any visible freight damage before signing the driver’s Proof of Delivery (POD).
Report Damage Immediately: In the rare event of transit damage, note the damage on the delivery bill with the driver and contact us immediately at 403.471.7150.
| Model | Year Range | Drivetrain | Notes |
| Subaru Forester | 2011 – 2024 | AWD | FB25 (2.5L) |
| Subaru Outback | 2013 – 2024 | AWD | FB25 (2.5L) |
| Subaru Legacy | 2013 – 2024 | AWD | FB25 (2.5L) |
| Subaru Crosstrek | 2021 – 2024 | AWD | FB25 (2.5L trims) |
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.