{"product_id":"2011-2024-subaru-forester-2-5l-fb25-flat-4-cylinder-engine","title":"2011–2024 Subaru Forester 2.5L FB25 Flat 4-Cylinder Engine","description":"\u003ch2\u003e Engine Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEngine Code (Part Code)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eFB25 (FB25B \/ FB25D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEngine Family\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eSubaru FB Boxer Engine Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEngine Size\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5L (2,498 cc) Horizontally Opposed 4-Cylinder (Boxer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAspiration \u0026amp; Fuel\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Point Injection (FB25B) \/ Direct Injection (FB25D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMileage \/ Condition\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eUsed Low-Mileage Import \/ Tested (Approx. 50,000–70,000 KM)\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eTesting Status\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eCompression Tested, Leak-Down Tested \u0026amp; Steam Cleaned\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eParts Included\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eComplete Engine Assembly with Attached Core Accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCore Charge\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003e$0 (No Core Return Required)\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e Product Overview \u0026amp; Fitment Highlights\u003c\/h2\u003e\n\u003cp\u003eRestore efficient, smooth power to your Subaru with a \u003cb\u003ehand-picked, low-mileage FB25 complete engine assembly\u003c\/b\u003e—compression tested, steam cleaned, and verified for strong mechanical health.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eWhy Choose This Engine?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e \u003cb\u003eLow-Mileage Condition:\u003c\/b\u003e Sourced with low average kilometers (approx. 50K–70K KM) to ensure maximum remaining operational life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e \u003cb\u003eFully Tested:\u003c\/b\u003e Units undergo compression and leak-down testing prior to listing to check cylinder pressures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e \u003cb\u003eDirect OEM Replacement:\u003c\/b\u003e Original Subaru 2.5L FB-series Boxer engine assembly designed for direct drop-in setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e \u003cb\u003eNo Core Return:\u003c\/b\u003e Keep your old engine block! We do not charge core fees or require trade-ins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e General Vehicle Fitment Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEngine Variations:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFB25B (MPi \/ Port Injected):\u003c\/b\u003e Multi-Point Injection \/ Dual AVCS (Fits 2011–2018 Forester 2.5L, 2013–2019 Outback 2.5L, 2013–2019 Legacy 2.5L).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFB25D (GDI \/ Direct Injected):\u003c\/b\u003e Direct Injection with higher compression ratio (Fits 2019+ Forester, 2020+ Outback, 2020+ Legacy, 2021+ Crosstrek 2.5L).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVIN \u0026amp; Variant Verification Recommended:\u003c\/b\u003e Port-Injected (FB25B) and Direct-Injected (FB25D) engines use completely different cylinder heads, high-pressure fuel pumps, intake manifolds, and wiring harnesses and are \u003cb\u003enot\u003c\/b\u003e interchangeable. Call us at \u003cb\u003e403.471.7150\u003c\/b\u003e or send us your VIN so we can confirm exact matching before shipping!\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e Components Included vs. Accessories to Transfer\u003c\/h2\u003e\n\u003cp\u003eEngines are sold as \u003cb\u003ecomplete assemblies (photos may show a representative unit) \u003c\/b\u003e, 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:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded (Attached Core Accessories)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTransfer \/ Swap From Original Engine\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e Engine Block \u0026amp; Cylinder Head Assembly\u003c\/td\u003e\n\u003ctd\u003e \u003cb\u003eVehicle Engine Wiring Harness \u0026amp; ECU\u003c\/b\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Intake Manifold \u0026amp; Throttle Body Assembly\u003c\/td\u003e\n\u003ctd\u003e \u003cb\u003eSensors (USDM Crank\/Cam Sensors, Knock Sensor)\u003c\/b\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Fuel Rail \u0026amp; Injectors (HPFP included on FB25D)\u003c\/td\u003e\n\u003ctd\u003e Vehicle Emissions \u0026amp; Vacuum Lines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Exhaust Headers, Valve Covers \u0026amp; Timing Cover\u003c\/td\u003e\n\u003ctd\u003e Alternator, AC Compressor \u0026amp; Power Steering Pump \u003ci\u003e(If different)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Oil Pan \u0026amp; Internal Oil Pump\u003c\/td\u003e\n\u003ctd\u003e Starter Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cb\u003eCompatible Models \u0026amp; Years\u003c\/b\u003e\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eModel\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eYear Range\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eDrivetrain\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eNotes\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSubaru Forester\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2011 – 2024\u003c\/td\u003e\n\u003ctd\u003eAWD\u003c\/td\u003e\n\u003ctd\u003eFB25 (2.5L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSubaru Outback\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2013 – 2024\u003c\/td\u003e\n\u003ctd\u003eAWD\u003c\/td\u003e\n\u003ctd\u003eFB25 (2.5L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSubaru Legacy\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2013 – 2024\u003c\/td\u003e\n\u003ctd\u003eAWD\u003c\/td\u003e\n\u003ctd\u003eFB25 (2.5L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSubaru Crosstrek\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2021 – 2024\u003c\/td\u003e\n\u003ctd\u003eAWD\u003c\/td\u003e\n\u003ctd\u003eFB25 (2.5L trims)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e \u003cb\u003eUnsure About Compatibility?\u003c\/b\u003e\n\u003c\/h3\u003e\n\u003cp\u003eVehicle options, trims, and engine splits can vary. Before placing your order, please \u003cb\u003econtact us with your VIN (Vehicle Identification Number)\u003c\/b\u003e or send it to us before ordering. Our team will verify exact block, head, and sensor compatibility for your specific vehicle.\u003c\/p\u003e\n\u003cp\u003e \u003cb\u003eInstallation \u0026amp; Peripheral Swap Notice:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSensor \u0026amp; Harness Swaps:\u003c\/b\u003e Depending on your vehicle’s exact market, trim, and emission specs, your installer may need to transfer your original engine’s sensors, intake manifold, wiring harness, or oil pan to match your factory ECU.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cb\u003eDisclaimer:\u003c\/b\u003e This compatibility table is provided for reference purposes only. It is the buyer\/installer’s responsibility to confirm that the engine code listed in the specifications above matches their existing vehicle setup prior to installation. \u003c\/p\u003e","brand":"Subaru","offers":[{"title":"Default Title","offer_id":67705441255637,"sku":null,"price":4099.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/8044\/5141\/files\/FB25-1_7006273a-438f-4bfb-a4f4-14a04dccc1f3.webp?v=1791487609","url":"https:\/\/jdmenginesupply.com\/products\/2011-2024-subaru-forester-2-5l-fb25-flat-4-cylinder-engine","provider":"JDM Engine Supply","version":"1.0","type":"link"}