Buy MerCruiser 350 MPI ALPHA BRAVO 300 HP (8M0136293) – Premium V8 Inboard Engine | JB Marine GmbH

When power, precision, and reliability define your time on the water, the MerCruiser 350 MPI ALPHA/BRAVO 300 HP (8M0136293) delivers performance that exceeds expectations. Now available through JB Marine GmbH, this factory-new marine engine provides 300 horsepower at 5000 RPM, setting the standard for smooth acceleration, long-term durability, and efficient fuel economy.

Built entirely with genuine Quicksilver components, including a heavy-duty cast iron block, Multi-Port Fuel Injection (MPI) system, ECM555 engine control, and SmartCraft compatibility, the 350 MPI ALPHA/BRAVO 300 HP is the ultimate repower solution for discerning boat owners.

Engine Overview – MerCruiser 350 MPI ALPHA/BRAVO 300 HP (8M0136293)

The MerCruiser 350 MPI ALPHA/BRAVO is a fully dressed V8 marine engine featuring 350 cubic inches of displacement and delivering a commanding 300 horsepower at 5000 RPM. Designed to outperform and outlast older sterndrive configurations, this model offers an ideal repower option for boats powered by 5.0 EFI, 5.0L MPI, 5.7L EFI, or 350 MPI sterndrive Alpha models.

With a combination of raw water cooling, dry joint exhaust, and Black-X valve technology, this engine ensures lasting performance in both saltwater and freshwater environments.

Key Features & Benefits

Superior Power and Acceleration

Experience uncompromised performance with 300 HP @ 5000 RPM and 350 cu in displacement. Whether you’re cruising, towing, or planing, this engine delivers instant torque and steady acceleration across the RPM range.

Advanced Fuel Injection (MPI) with Cool Fuel II

The integrated Multi-Port Fuel Injection system guarantees precise fuel delivery, enhanced fuel economy, and reduced emissions. Combined with Cool Fuel II, this design optimizes power output under all conditions while maintaining smooth engine operation.

SmartCraft & ECM555 Digital Engine Management

The SmartCraft-ready ECM555 system provides real-time data, engine diagnostics, and performance monitoring. With Engine Guardian technology, you get automatic system protection against overheating, low oil pressure, and other potential risks.

Marine-Grade Durability

Crafted from 100% new Quicksilver components, including a cast iron block and corrosion-resistant dry joint exhaust, the MerCruiser 350 MPI ensures long service life and dependable operation in harsh marine conditions.

Easy Installation & Compatibility

Equipped with mechanical throttle and shift controls, 10-pin harness, and compatibility with Alpha One and Bravo sterndrives, this engine offers plug-and-play convenience for repower projects.

Technical Specifications – MerCruiser 350 MPI ALPHA BRAVO 300 HP (8M0136293)

Designed for Alpha and Bravo Sterndrives

The MerCruiser 350 MPI ALPHA/BRAVO 300 HP is designed for maximum flexibility in installation. It’s compatible with both Alpha One and Bravo sterndrives, making it one of the most versatile repower options on the market.

For Alpha One (Gen I) applications, the following accessories are required (sold separately):

• Seawater Pump Kit (46-8M0139983)

• Serpentine Belt (57-865615Q03)

These components ensure proper cooling system performance and drive compatibility.

Performance Highlights

• 300 HP of Pure Power – Delivers exceptional torque and acceleration for fast planing.

• Precision Fuel Delivery – MPI with Cool Fuel II for clean combustion and better economy.

• Quicksilver Engineering – Factory-built for long-term reliability in all marine conditions.

• SmartCraft Integration – Monitor fuel efficiency, RPM, and diagnostics in real-time.

• Corrosion-Resistant Construction – Designed for saltwater and freshwater durability.

Fuel Efficiency & Smart Monitoring

With its ECM555 Engine Management System and Engine Guardian safety module, this MerCruiser engine constantly monitors fuel injection, temperature, and pressure. It automatically reduces power if necessary to prevent damage, providing peace of mind for long-distance cruising.

Compatible with SmartCraft digital displays, the system allows precise tracking of fuel burn rates, RPM, hours, and alerts, ensuring you get the best performance per liter of fuel.

Warranty & After-Sales Support

Every MerCruiser 350 MPI ALPHA/BRAVO 300 HP (8M0136293) engine comes with a 3-Year Limited Factory Warranty, ensuring long-term protection and confidence in your investment.

When you purchase from JB Marine GmbH, you benefit from:

• Authorized European Dealer Support

• Installation Consultation and Technical Advice

• Access to Genuine MerCruiser Spare Parts

• Global Shipping and Commercial Terms for Marine Operators

We’re proud to support both private boat owners and professional marine service centers, offering premium customer care and post-purchase assistance.

Frequently Asked Questions (FAQs)

What boats are compatible with this engine?

Ideal for boats powered by 5.0 EFI, 5.0L MPI, 5.7L EFI, or 350 MPI sterndrive Alpha/Bravo engines.

Is this engine suitable for saltwater?

Yes. Built with corrosion-resistant components and dry joint exhaust, it performs reliably in saltwater or freshwater environments.

What type of fuel does it use?

The MerCruiser 350 MPI ALPHA/BRAVO runs efficiently on 87 Octane fuel, offering both power and economy.

Does it include installation?

The engine price includes all core components, but installation services are offered separately through JB Marine GmbH’s expert marine partners.

Why must my old engine be returned?

In compliance with EPA Rule 1068.240, the old engine must be returned for proper recycling and environmental standards.

Order the MerCruiser 350 MPI ALPHA BRAVO 300 HP (8M0136293) Today

Upgrade your boat with a factory-new MerCruiser engine designed for performance, durability, and seamless integration. The 350 MPI ALPHA/BRAVO 300 HP offers state-of-the-art marine technology, superior fuel efficiency, and unmatched reliability, all backed by JB Marine GmbH’s professional service.

Visit JB Marine GmbH to request a quote or speak directly with our technical sales team.
Authorized dealer. Expert guidance. Worldwide shipping.