fits model: Legacy. make: Subaru. year: 2013–2014.

( Part Type: Engine Manual ), ( Genuine Oem: Yes ), ( Ipn: 300-91110 )
The Subaru 300-91110 engine is a 2.5-liter, four-cylinder,manual transmission, DOHC (Dual Overhead Camshaft) unit, designed for select Subaru vehicle models in the year range of 2013 to 2014. This engine boasts a boxer configuration, which is a distinctive hallmark of Subaru's engineering, providing a low and flat engine layout that helps to lower the vehicle's center of gravity for improved handling and stability.
The 2.5-liter engine achieves a healthy power output, delivering 173 horsepower at 5,800 rpm and 174 lb-ft of torque at 4,200 rpm, translating to impressive performance and responsiveness. The engine utilizes an aluminum cylinder block and aluminum heads, which not only contribute to significant weight reduction, but also help to enhance overall engine efficiency.
Subaru's DOHC design optimizes valve overlap, ensuring efficient combustion along with smooth and responsive throttle response. The engine comes with an electronic fuel injection system, enabling precise fuel delivery, while the Multi-Point Direct Injection and a continuous variableValve Timing system help to meet strict emissions requirements, thus this engine received the U.S. Environmental Protection Agency (EPA) Tier-Certified rating.
A clean-burning engine designed to meet rigorous emissions regulations, the Subaru 300-91110 engine demonstrates excellent fuel economy, providing you with a balance between performance and environmental responsibility. With its superior engineering, this engine provides consistency, dependability, and longevity, ensuring a driving experience that not only exceeds expectations, but also remains efficient and reliable.
Subaru 2.5L FLat-4 DOHC EJ25 Engine (Model Year: 2013-2014 with Engine Code: FB25, FB25D, FB25F, or FA25) is a popular choice among those seeking a reliable and efficient engine for their vehicles. Here are some pros and cons that might help you decide if this engine is the right fit for your needs:
Pros:1. Fuel Efficiency: The Subaru 2.5L engine is known for its impressive fuel economy compared to other engine options in its class.
2. Power and Performance: Delivering enough power to provide a satisfying driving experience while maintaining good fuel economy.
3. Subaru Boxer Engine Design: Its unique boxer engine design provides better balance and stability, resulting in a smoother ride.
4. Durability: Subaru engines are known for their exceptional durability due to their Boxer engine design and robust build materials.
5. Good aftermarket support: Should something go wrong with the engine, there are numerous aftermarket parts and resources readily available.
Cons:1. Emissions: Despite having a DOHC configuration and efficient design, this engine still has decent emissions output which might not meet the most stringent emissions standards (e.g., California's SULEV emissions).
2. Limited Power Compared to Other Engines: The 2.5L engine may not be the most powerful engine option in its class, which could be a consideration for those seeking maximum power.
3. Service Intervals: Subaru engines typically require more frequent oil changes and other maintenance to keep them running efficiently and effectively.
4. Potential Issues: Certain years and models of this engine (2004-2009) experienced some reported problems, such as timing chain tensioner failing, piston slap, and berries (sludgy deposits caused by poor fuel quality). However, the 2013-2014 engine variations have had significant improvements in these regard.
Conclusion:The Subaru 2.5L FB25 engine offers various advantages including fuel efficiency, balance and stability, durability, and good aftermarket support. However, it comes with some disadvantages like higher emissions output, moderate power compared to other engines, more frequent maintenance, and the potential for certain issues on earlier model years. Ultimately, whether this engine is a good fit for you will depend on your priorities, budget, and personal preferences. For those focused on fuel economy, a smooth ride, and an efficient engine, it is definitely worth considering. However, if maximum power and minimal maintenance are your primary concerns, you might want to explore other engine options.