Description
MerCruiser 350 MPI 300 PS BRAVO / ALPHA – Product Overview
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550 is a powerful gasoline marine engine designed for boaters who need proven V8 performance, dependable fuel injection, and compatibility with selected Bravo and Alpha drive systems. With 300 HP at 5200 RPM, this engine provides strong acceleration, reliable cruising power, and practical performance for recreational boats, cruisers, runabouts, and repower applications.
Built around a 5.7L / 350 cubic inch V8 platform, this MerCruiser engine offers a familiar and trusted displacement class for marine use. It is designed for compatible installations with serial number 0W310000 and up, making fitment confirmation an important part of the buying process.
The engine uses Multi-Port Fuel Injection, also known as MPI, to support smoother fuel delivery, better throttle response, and more consistent operation compared with older carbureted systems.
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550 is a strong option for customers comparing MerCruiser 350 MPI engines, 300 HP V8 marine engines, Bravo-compatible engines, Alpha-compatible engines, and 5.7L marine repower packages.
Built for Bravo and Alpha Drive Applications
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA is designed for compatible boats using Bravo and Alpha drive systems. This makes it a practical choice for owners replacing an existing MerCruiser engine in the same power and compatibility range.
Drive compatibility is one of the most important details in any marine engine purchase. The engine must match the correct drive system, transom assembly, coupler, ratio, controls, harness, cooling setup, and installation requirements.
This model is listed for applications with serial number 0W310000 and up, so buyers should confirm their existing engine serial number and drive setup before ordering.
For repower buyers, the advantage of this engine is that it offers a strong V8 replacement platform with MPI fuel delivery and familiar MerCruiser installation logic.
Customers can compare this product with related MerCruiser 350 MPI engines, Bravo drive components, Alpha drive components, ignition parts, cooling parts, sensors, and repower accessories.
300 HP V8 Power at 5200 RPM
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550 produces 300 HP at 5200 RPM, giving compatible boats strong and dependable gasoline V8 performance.
This horsepower rating is suitable for recreational boaters who need confident acceleration, cruising strength, watersports capability, and reliable power under load. The 5.7L / 350 cubic inch displacement gives the engine the working volume needed for strong mid-range response and practical marine torque.
A 300 HP V8 engine is a popular repower choice because it delivers meaningful performance without moving into larger and more complex engine packages.
Performance depends on hull design, boat weight, drive ratio, propeller selection, fuel quality, water conditions, and installation quality.
For buyers searching for a MerCruiser 350 MPI 300 HP engine, this model offers a focused and practical power package.
Multi-Port Fuel Injection for Smooth Performance
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA uses Multi-Port Fuel Injection, one of the key advantages of this engine.
MPI delivers fuel more precisely to the engine than a traditional carburetor setup. This can support smoother starting, improved throttle response, more consistent fuel delivery, and better drivability across the rpm range.
For marine engines, consistent fuel delivery matters because boats often operate under sustained load. MPI helps the engine respond more confidently during acceleration, cruising, docking, and changing operating conditions.
This engine is designed to run on 87 octane unleaded gasoline, making it practical for regular recreational boating without requiring premium fuel.
For customers comparing carbureted and MPI MerCruiser engines, the MPI system is a major buyer-confidence feature.
Standard Left-Hand Rotation
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550 is listed with standard / left-hand rotation.
Rotation is an important fitment detail because the engine, drive system, propeller selection, and installation setup must match correctly. Choosing the wrong rotation can create compatibility problems and poor performance.
Standard left-hand rotation is common in many MerCruiser applications, but buyers should still confirm their existing engine and drive setup before purchase.
For repower projects, matching rotation is just as important as matching horsepower and displacement.
This model is best suited for buyers who have confirmed that their boat requires a standard left-hand rotation MerCruiser 350 MPI engine.
Durable Marine Internal Components
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA includes several important internal components designed for marine reliability.
The engine uses a nodular iron crankshaft, which supports strength and durability in demanding engine operation. It also features a roller camshaft, helping support smoother operation and dependable valve timing.
The engine includes Quicksilver iron cylinder heads, providing a marine-grade cylinder head setup for reliable combustion and durability.
With a 9.4:1 compression ratio, the engine balances strong performance with 87 octane fuel compatibility.
Marine engines work under heavier sustained load than typical automotive engines, so durable internal components are important for long-term performance and reliability.
Water-Cooled System With Thermostat
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550 uses a water-cooled system with thermostat, helping regulate engine temperature during operation.
A thermostat-controlled cooling system helps the engine reach and maintain proper operating temperature, which is important for performance, durability, and consistent operation.
Cooling compatibility should be confirmed carefully during repower planning. Buyers should check water pump requirements, cooling hose routing, thermostat housing, exhaust system, and drive compatibility before purchase.
Proper cooling is especially important in marine engines because overheating can cause serious damage.
For customers replacing an older MerCruiser engine, cooling system inspection and renewal may be recommended during installation.
Included Components for Repower Planning
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA includes several important components that support installation and service planning.
The listed included components are harmonic balancer, oil pan, circulating water pump, NGK spark plugs, crank and knock sensors, and ignition wires.
These components add value because they support engine operation, ignition performance, cooling, monitoring, and basic repower preparation.
The crank and knock sensors are especially important for modern engine management and ignition control. NGK spark plugs and ignition wires support reliable combustion, while the circulating water pump supports cooling system function.
Buyers should confirm whether additional parts are required, including harnesses, mounts, fuel system components, exhaust components, couplers, controls, or drive-specific installation parts.
Weight and Installation Planning
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550 has a listed weight of 450 kg / 990 lbs.
Weight is a major factor in marine engine installation. Buyers should confirm that the boat structure, engine mounts, lifting equipment, and engine bay can support the engine properly.
A 450 kg engine must be installed with careful attention to alignment, balance, ventilation, service access, and drive connection. Improper installation can affect performance, safety, and long-term reliability.
For repower projects, installers should compare the weight of the new engine with the engine being replaced. This helps identify any changes to trim, handling, or mounting requirements.
Professional installation is strongly recommended for this engine class.
Why the MerCruiser 350 MPI 300 PS 8M0093550 Is a Smart Choice
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550 stands out because it combines 300 HP V8 power, 5.7L displacement, Multi-Port Fuel Injection, Bravo and Alpha drive compatibility, water-cooled operation, durable internal components, and practical 87 octane fuel use.
Many buyers in this category need a reliable replacement engine that fits an existing MerCruiser setup. This model is especially relevant for compatible applications with serial number 0W310000 and up.
The MPI fuel system improves drivability and throttle response, while the nodular iron crankshaft, roller camshaft, and Quicksilver iron cylinder heads support durable marine operation.
For customers searching for a MerCruiser 350 MPI 300 HP engine for Bravo or Alpha drives, this model offers a strong and practical repower solution.
Who Should Choose This Marine Engine
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550 is best for boat owners, marine technicians, dealers, and repower specialists who need a compatible 300 HP V8 gasoline marine engine.
It is suitable for compatible Bravo and Alpha drive boats, recreational cruisers, runabouts, performance boats, and older MerCruiser engine replacement projects.
This model is especially useful for buyers who value Multi-Port Fuel Injection, 87 octane fuel compatibility, standard left-hand rotation, included sensors and ignition components, and a familiar 5.7L V8 marine platform.
Buyers who need a different serial number range, diesel power, carbureted fuel delivery, complete turnkey package, different rotation, or a non-compatible drive setup should confirm alternatives before purchase.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550 |
| Brand | MerCruiser |
| Part Number | 8M0093550 |
| Serial Number Range | 0W310000 and up |
| Engine Model | MerCruiser 350 MPI 300 PS BRAVO / ALPHA |
| Product Type | Gasoline V8 marine engine |
| Horsepower | 300 HP @ 5200 RPM |
| Displacement | 5.7L / 350 cubic inches |
| Engine Rotation | Standard / left-hand rotation |
| Fuel System | Multi-Port Fuel Injection / MPI |
| Compression Ratio | 9.4:1 |
| Cooling System | Water-cooled with thermostat |
| Crankshaft | Nodular iron |
| Camshaft | Roller camshaft |
| Cylinder Heads | Quicksilver iron cylinder heads |
| Fuel Type | 87 octane unleaded gasoline |
| Drive Compatibility | Compatible with Bravo and Alpha drive systems |
| Included Components | Harmonic balancer, oil pan, circulating water pump, NGK spark plugs, crank and knock sensors, ignition wires |
| Weight | 450 kg / 990 lbs |
| Recommended Applications | Bravo and Alpha repower projects, recreational boats, cruisers, runabouts, performance boats |
| Main Benefits | 300 HP power, MPI fuel injection, Bravo/Alpha compatibility, 87 octane use, durable V8 construction |
Key Product Details and Specifications
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550 delivers 300 HP at 5200 RPM, making it a strong gasoline V8 option for compatible marine applications.
The engine uses a 5.7L / 350 cubic inch displacement, giving it familiar MerCruiser V8 power and practical acceleration.
It features Multi-Port Fuel Injection, helping deliver smooth fuel control and dependable throttle response.
The engine is listed with standard / left-hand rotation, making rotation confirmation important before purchase.
The 9.4:1 compression ratio supports strong performance while maintaining compatibility with 87 octane unleaded gasoline.
The engine includes a nodular iron crankshaft, roller camshaft, and Quicksilver iron cylinder heads.
Included components are harmonic balancer, oil pan, circulating water pump, NGK spark plugs, crank and knock sensors, and ignition wires.
The engine weighs 450 kg / 990 lbs and is intended for compatible Bravo and Alpha drive systems with serial number 0W310000 and up.
Buy With Confidence
When buying the MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550, customers should confirm engine serial number range, boat model, Bravo or Alpha drive compatibility, rotation requirement, cooling setup, harness compatibility, sensor requirements, exhaust routing, fuel system condition, engine mount alignment, and installation planning.
This model is a strong choice for buyers who need a MerCruiser 350 MPI 300 HP engine with 5.7L V8 power, Multi-Port Fuel Injection, Bravo and Alpha compatibility, water-cooled operation, standard left-hand rotation, and 87 octane fuel use.
Customers can compare this product with related MerCruiser 350 MPI engines, 5.7L V8 marine engines, Bravo drive components, Alpha drive components, ignition parts, fuel system components, sensors, and repower accessories.
Professional installation is recommended for MerCruiser repower projects. Correct drive matching, cooling integration, exhaust setup, harness connection, sensor installation, fuel system inspection, alignment, and safety checks help support reliable performance and long-term engine life.
Frequently Asked Questions
What is the MerCruiser 350 MPI 300 PS BRAVO / ALPHA best used for?
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA 8M0093550 is best used for compatible Bravo and Alpha drive applications, recreational boats, cruisers, runabouts, performance boats, and MerCruiser repower projects.
How much power does this engine produce?
This engine produces 300 HP at 5200 RPM, giving compatible boats strong V8 acceleration and dependable cruising performance.
What fuel system does this MerCruiser engine use?
The engine uses Multi-Port Fuel Injection, also known as MPI, for smooth fuel delivery and reliable throttle response.
What drive systems is this engine compatible with?
This model is listed as compatible with Bravo and Alpha drive systems, specifically for applications with serial number 0W310000 and up. Buyers should confirm exact drive compatibility before purchase.
What fuel does this engine require?
The MerCruiser 350 MPI 300 PS BRAVO / ALPHA is designed to run on 87 octane unleaded gasoline.
What components are included?
The listed included components are harmonic balancer, oil pan, circulating water pump, NGK spark plugs, crank and knock sensors, and ignition wires.
How much does this MerCruiser engine weigh?
The engine weighs 450 kg / 990 lbs, so buyers should confirm lifting, mounting, and engine bay requirements before installation.
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