Buy MerCruiser 350 MPI BRAVO 300 HP (8M0136294 / 8M0187360) – High-Performance Marine Engine | JB Marine GmbH

Experience the pinnacle of power, reliability, and marine engineering with the MerCruiser 350 MPI BRAVO 300 HP, one of the most trusted and powerful inboard engines on the water. Available now from JB Marine GmbH, your European specialist for premium marine propulsion systems, this high-output V8 engine is the ultimate repower choice for performance-driven boat owners.

Introduction: The Power of MerCruiser Engineering

For decades, MerCruiser has been synonymous with marine performance and innovation. The 350 MPI BRAVO 300 HP continues that legacy with an exceptional blend of horsepower, torque, and fuel economy, all engineered for long-term dependability in demanding marine conditions.

Whether you’re upgrading from a 5.0 EFI, 5.0L MPI, 5.7L EFI, or an older 350 MPI Bravo model, this engine offers a direct replacement that transforms your boat with effortless acceleration, quiet operation, and reduced maintenance costs.

Key Features & Advantages of the MerCruiser 350 MPI BRAVO 300 HP

Exceptional Power & Acceleration

With 300 horsepower at 5000 RPM, the MerCruiser 350 MPI delivers instant throttle response and smooth cruising. The 350 cubic inch displacement ensures superior torque, allowing for rapid planing and efficient operation even under heavy load.

Modern Fuel Injection Technology

Featuring Multi-Port Fuel Injection (MPI) and Cool Fuel II systems, this engine ensures precise fuel delivery, clean combustion, and optimal fuel efficiency. The result is a powerful yet economical engine that performs consistently in all conditions.

100% New Quicksilver Components

Unlike rebuilt engines, the MerCruiser 350 MPI BRAVO 300 HP is brand new, built entirely from Quicksilver marine-grade components. The cast iron block, forged crankshaft, and roller camshaft guarantee extended lifespan and maximum reliability in saltwater or freshwater use.

SmartCraft Digital Compatibility

Equipped with the ECM555 engine control module and SmartCraft technology, this inboard engine provides real-time performance data, diagnostics, and fuel management monitoring. Boaters can easily track RPM, oil pressure, temperature, and fuel flow with full digital precision.

Marine-Optimized Durability

The Dry Joint Exhaust System minimizes corrosion risk, while the raw water cooling with warm exhaust manifolds provides efficient thermal regulation. Designed to endure harsh environments, this engine ensures long-term reliability and reduced maintenance requirements.

Technical Specifications – MerCruiser 350 MPI BRAVO 300 HP (8M0136294 / 8M0187360)

Why Choose the MerCruiser 350 MPI BRAVO 300 HP?

• Powerful Upgrade: A direct repower option for 5.0 EFI, 5.0L MPI, 5.7L EFI, and 350 MPI Bravo engines.

• Fuel-Efficient Operation: Advanced MPI system reduces fuel consumption and emissions.

• Corrosion Resistance: Built with marine-grade cast iron and dry joint exhaust for durability.

• SmartCraft Ready: Full digital integration with your vessel’s monitoring system.

• Smooth & Responsive Performance: Enhanced roller camshaft and rocker arms ensure effortless power delivery.

This engine represents the perfect harmony between technology, performance, and long-term value, trusted by marine professionals and boaters worldwide.

Built for Repower Excellence

If your vessel needs an engine replacement, the MerCruiser 350 MPI BRAVO 300 HP provides a drop-in solution with minimal modification. It’s mechanically compatible with existing Bravo sterndrive setups, making it an ideal choice for owners looking to extend the life of their boat without complex retrofitting.

The mechanical throttle and 10-pin harness simplify the installation process, ensuring faster turnaround and immediate readiness for sea trials.

Marine Durability – Engineered for Real Conditions

Every detail of this engine reflects marine-grade construction and rigorous factory testing. The raw water cooling system, warm exhaust manifolds, and roller camshaft configuration are designed to perform in high-moisture, high-stress marine environments, ensuring maximum uptime and minimal service interruptions.

Whether used in saltwater or freshwater, the corrosion-resistant block and heads safeguard your investment for years of trouble-free operation.

Advanced Monitoring & Safety

The ECM555 Engine Control Module pairs with the Engine Guardian System to actively monitor vital parameters like temperature, oil pressure, and RPM. Should an anomaly occur, the system automatically adjusts performance to prevent damage, a hallmark of MerCruiser’s intelligent safety engineering.

With SmartCraft connectivity, users gain full access to engine diagnostics, fuel economy stats, and maintenance reminders, empowering boaters with data-driven decision-making on the water.

Warranty & After-Sales Support

The MerCruiser 350 MPI BRAVO 300 HP (8M0136294 / 8M0187360) is backed by a 3-year limited factory warranty, covering manufacturing defects and providing peace of mind for owners.

At JB Marine GmbH, we complement this with:

• Authorized technical support

• Professional installation advice

• Genuine MerCruiser spare parts

• Long-term maintenance solutions

Our commitment to customer satisfaction and post-sale care ensures your engine performs to factory standards throughout its lifetime.

Payment, Shipping & Installation

JB Marine GmbH offers secure global shipping and accepts multiple payment options:

• Bank Transfer (SEPA/SWIFT)

• PayPal and major credit cards

• Custom invoices for commercial customers

Orders are typically processed within 3–5 business days after payment confirmation. We also provide technical consultation to assist with installation and setup.

Frequently Asked Questions (FAQs)

What boats are compatible with this engine?

The MerCruiser 350 MPI BRAVO 300 HP is perfect for boats previously powered by 5.0 EFI, 5.0L MPI, 5.7L EFI, or older 350 MPI Bravo sterndrive models.

Is this engine saltwater-compatible?

Yes. Its corrosion-resistant Quicksilver components, dry joint exhaust, and raw water cooling make it fully suitable for saltwater use.

Does the engine come with installation?

The purchase includes the engine only, but JB Marine GmbH provides expert installation guidance and technical documentation for marine professionals.

Why must the old engine be returned?

As per EPA Rule 1068.240, the previous engine must be returned for proper recycling and environmental compliance.

Order Your MerCruiser 350 MPI BRAVO 300 HP from JB Marine GmbH

Upgrade your vessel with one of the most advanced marine inboard engines available today. The MerCruiser 350 MPI BRAVO 300 HP offers raw power, smooth control, and unmatched dependability, making it the preferred choice for serious boaters and marine professionals alike.

Contact JB Marine GmbH today to request pricing, availability, or a personalized quotation.
 Expert advice.  Fast shipping.  Factory-backed reliability.