Mercury – Bravo I 4-Blade Stainless Steel Propeller | 15.25" Diameter x 28" Pitch | Left-Hand Rotation | 4-Blade | Stainless Steel | Polished Finish | 8M0151216

Overview

There is a certain thrill that comes from a prop that truly connects you to the water — one that lets you feel every ounce of your boat’s power without losing control. The Mercury Bravo I 4-Blade Stainless Steel Propeller (Part Number 8M0151216) delivers that experience in spades. It is the kind of prop that serious boaters and high-performance enthusiasts talk about — steady, predictable, and thrillingly responsive. Whether you’re chasing open-water speed runs or carving through rough chop, it feels alive under the throttle, always ready to grip and go where you tell it.

Key Features

• Diameter and Pitch: 15.25" Diameter x 28" Pitch
• Rotation: Left-Hand
• Blade Count: Four-Blade design for balanced power and lift
• Material: Premium stainless steel for unmatched durability
• Finish: Polished finish for corrosion resistance and sleek performance
• Hub System: Requires a Mercury Flo-Torq hub kit (sold separately)
• Design Details: Aggressive blade geometry and large blade area for maximum grip and holding power in high-speed applications

Engine & Boat Compatibility

• Works with Mercury 135 HP and higher outboards
• Compatible with Mercury 90 HP and higher Command Thrust gearcase outboards
• Designed for MerCruiser Alpha One and Bravo One sterndrives
• Perfect for high-performance boats, sport runabouts, and offshore racing setups that demand both top-end speed and stability

Performance Benefits

If you have ever felt your prop slip when you’re on the edge of full throttle, you’ll appreciate what the Bravo I brings to the table. The four-blade design digs in deep, giving you powerful lift and incredible bite in the water. Even as you push into the upper RPM range, the prop stays locked in — no chatter, no cavitation, just pure grip.

You will feel it most when getting on plane or running through tight turns. Acceleration feels immediate and clean, while cruising settles into a smooth, confident rhythm that keeps your hands relaxed on the wheel. The Bravo I’s geometry was built for high-output boats running high drive heights, meaning it thrives under power where other props can lose their hold. And because it’s crafted from premium stainless steel, you’ll enjoy season after season of reliable performance without worrying about fatigue or corrosion.

This is the prop that rewards precision. It’s strong, it’s steady, and it makes your boat feel like an extension of you.

Why is this prop a strong choice vs. alternatives?

• Mercury OEM Craftsmanship: You’re getting factory-level engineering built by the same team behind Mercury’s world-class engines.
• Unmatched Grip: Its large-blade design and aggressive geometry give you the confidence to handle speed, load, and water conditions that challenge other props.
• Long-Term Value: Stainless steel construction means exceptional strength, long life, and consistent performance.
• Versatility: Works across multiple Mercury setups, from high-speed sterndrives to heavy-duty outboards, giving you flexibility without compromise.

If you want a prop that combines race-level performance with everyday reliability — one that feels planted no matter how hard you run it — the Bravo I is the real deal.

FAQ

Q1: Which Mercury engines does the Bravo I 4-Blade Propeller fit?

It fits Mercury 135 HP and higher outboards, 90 HP and higher Command Thrust models, and MerCruiser Alpha One and Bravo One sterndrives.

Q2: What makes this propeller different from other Mercury options?

The Bravo I has a larger blade area and aggressive geometry, giving it superior grip, lift, and holding power at high speeds compared to other Mercury props.

Q3: How do I know if this pitch or size is right for my boat?

A 28" pitch prop is typically chosen for high-horsepower boats aiming for maximum top-end speed while maintaining smooth control. Checking your current RPM range will help confirm if this setup matches your performance goals.

Q4: Can this prop be used in both saltwater and freshwater?

Yes. The premium stainless steel and polished finish provide excellent corrosion resistance in any water conditions.

Q5: What hub system does it use?

This propeller requires a Mercury Flo-Torq hub kit, sold separately, which helps absorb shock loads and protect your drivetrain during acceleration and gear shifts.