The Subaru FA20 is the horizontally opposed four-cylinder engine that gave the BRZ, FR-S, and 86 their defining character — a high-revving, naturally aspirated flat-four with a sporting soul unlike any other Subaru engine. This used Subaru FA20 engine is a genuine OEM unit sourced from low-mileage BRZ and Subaru WRX (FA20DIT turbocharged) donor vehicles and inspected before shipment. Whether you need the naturally aspirated FA20D or the turbocharged FA20DIT, this is the factory engine that makes these cars worth owning.
Features
Tested Engine with Warranty
Hassle-Free Returns Available
Live Customer Support
Direct Fit for Your Vehicle
Description
The FA20 engine is a 2.0L naturally aspirated flat-four boxer engine, co-developed by Subaru and Toyota for performance and efficiency. Built with an aluminum block and head, it features dual overhead cams, direct and port fuel injection, and a high 12.5:1 compression ratio. Designed for lightweight sports cars like the Subaru BRZ, Toyota 86, and Scion FR-S, the FA20 delivers around 200 horsepower and is known for its low center of gravity helping enhance vehicle stability, cornering, and overall driving experience. Built with a strong aluminum case and advanced internal components, the 62TE is engineered to handle a range of driving conditions, making it a dependable choice for both daily driving and light-duty commercial use.
FA20 fitment is application-specific. The naturally aspirated FA20D in the BRZ/FR-S/86 uses a completely different head design, compression ratio, and injection system than the turbocharged FA20DIT in the WRX. Both applications also use different oil pan configurations due to the different vehicle platforms. Our VIN verification and application review confirms the exact FA20 variant for your specific vehicle before it ships.
FA20 engine work at specialist rates — whether naturally aspirated head work or turbocharged system service — carries the kind of labor cost that makes the used engine comparison obvious. When comparing a used engine, a remanufactured engine, and a full rebuild for the FA20, the used OEM engine route delivers the factory flat-four character most directly. A used Subaru FA20 engine gives you the factory horizontally opposed design, the factory rev limit, and the factory sports car character as an OEM engine that no remanufactured engine alternative can match for originality.
Every used Subaru FA20 engine ships with up to a 90-day warranty and arrives within 2 to 5 business days. Installation is not included, but we are happy to help you find a qualified Subaru or sport compact specialist. These are genuine Subaru OEM engines, and we stand behind every unit.
Specifications
Product Type
Engine
Displacement (Engine Size)
2.0 L Flat-4 (Boxer)
Fuel Type
Gasoline
Availability
In Stock
Shipping
Nationwide Available
Use Case
Ideal for upgrades or replacements
Frequently Asked Questions
How long do FA20 engines last?
The Subaru FA engine can typically last up to 150,000 to 200,000 miles with proper maintenance. Longevity depends on factors like regular oil changes, use of high-quality fluids and avoiding excessive driving.
What car has the FA20 engine?
The FA20 engine is generally found in Subaru BRZ and Toyota 86 (also known as Scion FR-S) sports cars.
How much HP can a FA20 handle?
The FA20 engine can handle up to 300–350 hp with proper tuning. With forged internals and upgrades, it can reliably push beyond 400 hp.
How much does it cost to rebuild a Fa20 engine?
The cost to rebuild a Fa20 engine can be $5,000 to $18,000 or more.
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Shipping Policy
Our shipping policy is flexible, as the shipping charges depend on the location. A few certain remote regions like CO, UT, NY, OR, & CA may have additional shipping charges or delivery fees. However, some circumstances may cause delays, but we always strive to deliver your order as quickly as possible.
Please note that all shipping times are estimates and not guaranteed. We examine all rebuilt and used engines before shipment and aim to provide high-quality used engines and transmissions. Shipping details and fees will be disclosed to consumers before any transactions are made. Our team is operational 24/7, and you can call us at +1-888-799-0188 to place an order.
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