fits make: Evinrude, Johnson. year: 2010–2028.

( Brand: Sierra ), ( Manufacturer Part Number: 18-3543 ), ( Part Type: Hp Thermostat ), ( Also: 155 175 185 200 235 1959-95 ), ( Replaces: 0393659 0434841 0378065 05005440 ), ( Country Of Manufacture: United States ), ( Fits: 50 55 60 65 80 85 88 90 100 110 112 115 140 150 )
The 18-3543 thermostat from Evinrude Johnson's Sierra series is a sophisticated and reliable addition to any outboard engine cooling system. Designed to fit engines with displacements ranging from 10 to 40 horsepower, this thermostat ensures optimal engine performance and longevity.
The thermostat features a precise temperature control mechanism, allowing it to maintain the engine's coolant temperature within the recommended range. This ensures that the engine operates at its peak efficiency, reducing the risk of overheating and extending the lifespan of various engine components.
The 18-3543 thermostat is made from high-quality materials, including a durable stainless steel housing that resists corrosion and wear over time. The thermostat's temperature-sensitive element is precision-engineered to deliver consistent and accurate temperature readings, ensuring reliable operation in a variety of environmental conditions.
Installation of the 18-3543 thermostat is straightforward, thanks to its easy-to-use design. The thermostat comes with clear installation instructions and all necessary hardware, making it simple for even the most DIY-minded boat owners to replace their thermostat with confidence.
In summary, the 18-3543 thermostat from Evinrude Johnson's Sierra series is a high-quality and reliable cooling system component that delivers precise temperature control and long-lasting performance. With its easy installation and durable construction, this thermostat is a smart investment for any outboard engine owner.
The Evinrude Johnson 18-3543 Sierra thermostat is a versatile marine engine cooling system component, suitable for various Evinrude outboard engine sizes, from 10 to 40 HP. Here are some pros and cons to consider before making a purchase:
Pros:1. Compatibility: This thermostat is compatible with a wide range of Evinrude outboard engines, making it a versatile option for boat owners.
2. Durability: Evinrude Johnson components are known for their robustness and reliability, ensuring longevity and performance.
3. Temperature control: The thermostat plays a crucial role in regulating engine temperature, ensuring optimal engine performance and longevity.
4. Easy installation: The thermostat is designed to be a simple and straightforward installation process, even for DIY enthusiasts.
Cons:1. Limited brand compatibility: This thermostat is only compatible with Evinrude outboard engines, which may limit options for boat owners with other engine brands.
2. Potential for failure: Like any mechanical component, the thermostat may eventually wear out or fail, requiring replacement.
3. Sensitive to environment: The thermostat's performance can be affected by the water temperature and quality in the cooling system, which may require maintenance or adjustments.
Conclusion:The Evinrude Johnson 18-3543 Sierra thermostat is an excellent choice for boat owners with Evinrude outboard engines, offering compatibility, durability, and temperature control benefits. However, its limited brand compatibility and potential for failure are important considerations. Ultimately, if you have an Evinrude engine and are looking for a reliable thermostat, this product is worth considering. If you have a different engine brand, it may be wise to explore alternative options.
Location MD-5 box fits Johnson Evinrude5 shipping quoted is continental us only.