fits model: Marine, Mariner. make: Mercury.

( Brand: Sierra ), ( Manufacturer Part Number: 18-5857 )
The Sierra International 18-5857 Mercury Marine Mariner 174-5456/398-5454 is a high-performance outboard motor that combines power, efficiency, and durability. This exceptional marine engine is designed to deliver an unmatched boating experience, whether you're cruising on calm waters or battling the waves.
The 18-5857 model belongs to the Mercury Marine's Mariner series, renowned for their reliability and versatility. This specific model boasts a displacement of 174 cubic inches and comes with the part numbers 398-5454 and 174-5456.
Powered by a high-output, four-stroke, electronically controlled engine, this outboard motor offers a peak horsepower of approximately 90. The advanced digital electronics allow for smooth acceleration and responsive throttle control, ensuring a thrilling ride.
The Sierra International 18-5857 Mercury Marine Mariner 174-5456/398-5454 features a compact design, making it ideal for a variety of watercraft, from small fishing boats to larger family cruisers. Its lightweight construction, combined with a robust build, ensures excellent maneuverability and reduced fuel consumption.
Safety is a top priority with this outboard motor. The SmartCraft electronic engine control system monitors engine performance and alerts you to any potential issues, ensuring a safe and enjoyable boating trip. The motor also comes with an integrated lanyard safety system to prevent accidental operation.
This outboard motor is designed to last, with a corrosion-resistant aluminum alloy exterior that stands up to the harshest marine environments. The multi-point, maintenance-free, self-adjusting lower unit also ensures minimal downtime and long-lasting performance.
In summary, the Sierra International 18-5857 Mercury Marine Mariner 174-5456/398-5454 is a powerful and reliable outboard motor that offers a blend of performance, efficiency, and safety. Whether you're a seasoned boater or a novice, this motor is a great choice for enhancing your watercraft and creating unforgettable memories on the water.
Product: 398-5454A7 Sierra International 18-5857 Mercury Marine Mariner 174-5456
Pros:1. Power: This engine offers a high power output of 174 horsepower, which is suitable for medium to large-sized boats and delivering speedy performance.
2. Fuel Efficiency: Mercury Marine is known for its fuel-efficient engines, and this model is no exception. It provides decent fuel economy compared to other engines in its class.
3. Reliability: Mercury Marine has a strong reputation for producing reliable marine engines. The 398-5454A7 model is expected to deliver consistent performance over an extended period.
4. Versatility: This engine can be used in various boat types, such as bass boats, deck boats, and pontoons, making it a versatile choice for boat owners.
Cons:1. Price: The 398-5454A7 Sierra International 18-5857 Mercury Marine Mariner 174-5456 is a premium engine, and its price reflects its high-performance capabilities. This may be a barrier for budget-conscious buyers.
2. Maintenance: Like any high-performance engine, the Mercury Marine Mariner requires regular maintenance to ensure optimal performance and longevity. This could lead to additional costs over time.
3. Size: This engine is relatively larger in size compared to some other engines in its class, which may pose challenges during installation, especially on smaller boats.
Conclusion:The 398-5454A7 Sierra International 18-5857 Mercury Marine Mariner 174-5456 is a powerful, fuel-efficient, and reliable engine that offers versatility in boat types. However, its premium price, maintenance requirements, and larger size may be drawbacks for some buyers. If you prioritize high performance and are willing to invest in a durable engine, this model might be an excellent choice. Alternatively, if you are on a tight budget or looking for a smaller engine, you may want to consider other options.
Replaces oem part: Mercury398-5454a2398-5454a6398-5454a7398-5454a8398-5454a9398-5454a17 -5454a18398-5454a55sierrasierra does not fit 16 model's. New stater fits Mercury v150 v175 v200 v225 and more 6 Cl.