fits make: Mercury. year: 1975–1990.

( Manufacturer Part Number: 818903A ), ( Part Type: Oil Hp Pump Tank ), ( Color: Black ), ( Country Of Manufacture: United States ), ( Surface Finish: Vapor Blasted ), ( Donor Motor: Loose )
The Mercury 818903A/818903A2 Oil Injection Pump/Oil Tank is a vital component for high-performance marine engines, specifically those with 75, 90, or 115 horsepower. This product is designed to efficiently deliver oil to essential engine components, ensuring optimal engine performance and longevity.
The Mercury 818903A/818903A2 Oil Injection Pump/Oil Tank is a precision-engineered piece of machinery. Its injection pump component is responsible for regulating the flow of oil, ensuring that the correct quantity and pressure is delivered to critical engine parts, such as cylinder walls and piston rings. This helps to reduce friction, prevent wear, and ultimately, improve engine efficiency.
The oil tank component of this system is designed to store and hold the necessary oil for the injection pump. It is constructed from durable materials, ensuring that it can withstand the harsh conditions encountered in marine environments. The tank is designed with a capacity to hold an adequate amount of oil, ensuring that the engine has a consistent supply of lubricant, even during extended periods of use.
The Mercury 818903A/818903A2 Oil Injection Pump/Oil Tank is a reliable and efficient solution for maintaining the health of your marine engine. Its compact design allows for easy installation, while its robust construction ensures durability and longevity. Regular maintenance and replacement of this component is crucial for maintaining the overall performance and lifespan of your marine engine.
Pros of buying Mercury 818903A/A2 Oil Injection Pump/Oil Tank:1. Compatibility: This product is specifically designed for Mercury outboard engines with a power range of 75 to 115 HP. This ensures a perfect fit and compatibility with your engine.
2. Improved Engine Performance: The oil injection pump delivers the right amount of oil at the right time, which can enhance the engine's performance and efficiency.
3. Durability: Mercury is known for manufacturing high-quality products that can withstand harsh marine conditions. This product is no exception.
4. Easy Installation: The installation process is relatively straightforward, making it a DIY project for many boat owners.
Cons of buying Mercury 818903A/A2 Oil Injection Pump/Oil Tank:1. Price: Compared to some aftermarket alternatives, this product may be more expensive. However, the quality and reliability of Mercury products often justify the higher price.
2. Availability: Depending on your location, you may find it challenging to find this product in local stores. You might need to order it online, which could lead to longer delivery times.
3. Maintenance: Like any other mechanical component, this product requires regular maintenance to ensure continued smooth operation.
Conclusion:If you own a Mercury outboard engine with a power range of 75 to 115 HP, the Mercury 818903A/A2 Oil Injection Pump/Oil Tank is a worthwhile investment. Its compatibility, potential to improve engine performance, and durability make it a strong choice. However, be prepared for the higher price tag and potential difficulty in finding it locally. As long as you're willing to maintain it regularly, this product should serve you well.
Recommendation:If you're in the market for an oil injection pump/oil tank, I recommend considering the Mercury 818903A/A2. Its benefits often outweigh its drawbacks, and you can be confident in its performance and reliability. Just make sure to factor in the price and availability before making your purchase.
Oil Injection Pump only PN 818903A2 W/hardware - $75.00. All together $150.00. Oil Tank PN 828361A2 - $80.00. I am selling this individually or as a kit with the oil tank.
Oil Injection Pump from a 2008 90 Mercury 2 Stroke carb model.