fits model: Mariner. make: Mercury.

( Brand: Mercury Marine ), ( Manufacturer Part Number: 7333A45 ), ( Part Type: Cylinder Unit ), ( Stroke: 2-stroke ), ( Engine Hp : 90 )
The 7333A45 Mercury Mariner Inline Cylinder Unit is a high-performance marine engine component designed for powerboats, outboard motors, and other marine applications. This unit is a key component of the Mercury Mariner series, known for their reliability, efficiency, and power.
The 7333A45 Inline Cylinder Unit is a four-stroke, four-cylinder engine that delivers smooth, quiet operation and excellent fuel efficiency. It features a displacement of 149.8 cubic inches (2447 cc) and a power output of up to 150 horsepower, providing ample power for mid-size to larger boats and watercraft.
The cylinder unit is made of high-quality materials, including a cast-iron cylinder block for durability and heat resistance. It also features a compact design for easy installation and maintenance. The unit is equipped with a single overhead camshaft (SOHC) valvetrain system, which provides precise valve timing and improved performance.
The 7333A45 Inline Cylinder Unit is also designed with advanced combustion technologies, such as multi-port electronic fuel injection (MPFI), which ensures optimal fuel-air mixture for efficient combustion and reduced emissions. It also features a knock sensor that monitors engine operation and adjusts ignition timing to prevent engine knocking and ensure optimal performance.
The unit is also equipped with a water-cooled cylinder head and a high-capacity cooling system, which helps to maintain optimal engine temperature during operation. It also features a high-capacity oil pump and oil filter, which ensures proper lubrication and engine protection.
The 7333A45 Mercury Mariner Inline Cylinder Unit is also designed to be easy to maintain. It features a removable manifold for easy access to spark plugs, and its oil filter is located in a convenient location for easy replacement. It also features a maintenance-free ignition system, which eliminates the need for routine spark plug replacement.
In conclusion, the 7333A45 Mercury Mariner Inline Cylinder Unit is a high-performance marine engine component that delivers smooth, quiet, and efficient operation. Its advanced technologies, such as MPFI, SOHC valvetrain system, and knock sensor, ensure optimal performance, while its durable construction and easy maintenance ensure long-term reliability. Whether you're powering a powerboat, outboard motor, or other marine application, the 7333A45 Inline Cylinder Unit is a great choice for reliable and powerful marine propulsion.
Pros of buying a 7333A45 Mercury Mariner Inline Cylinder Unit:1. Reliable: Mercury is a well-known brand in the marine industry, known for its durability and reliability.
2. Powerful: The 7333A45 Mariner engine delivers a decent power output, suitable for recreational boating and fishing.
3. Easy to Maintain: The inline cylinder design of the Mariner engine makes it easier to access and maintain compared to V-block engines.
4. Fuel-Efficient: The Mercury Mariner engine is known for its fuel efficiency, which can help save money on fuel costs.
Cons of buying a 7333A45 Mercury Mariner Inline Cylinder Unit:1. Price: The Mercury Mariner engines are generally more expensive than other brands, which could be a drawback for some buyers.
2. Availability of Parts: While Mercury has a vast network of dealers and parts suppliers, some parts may take longer to source compared to other brands.
3. Limited Customization: The Mariner engine's inline design may limit the degree of customization available for boat builders.
Conclusion:The 7333A45 Mercury Mariner Inline Cylinder Unit is a reliable, powerful, and fuel-efficient engine that is easy to maintain. However, its higher price compared to other brands and limited customization options could be drawbacks for some buyers. If you prioritize reliability, power, and fuel efficiency, and are willing to pay a premium, the Mercury Mariner engine could be a good choice. If budget is a concern, or if you require extensive customization, you may want to consider other engine options.
Its in good used condition with nice aluminum prop. Lower unit came off a 1984 Mariner 90 hp outboard model number the paint has been touched up little. Was working great when removed, no water in the gear case and filled with new lube.