Mercury – Enertia ECO Propeller | 16" Diameter x 19" Pitch | Right-Hand Rotation | 3-Blade | X7 Stainless Steel | Polished Finish | 8M0151255

Overview

There is a certain calm that comes when your boat feels perfectly dialed in — when power, control, and efficiency all meet in one smooth motion. That’s what it’s like running the Mercury Enertia ECO propeller. Built for boaters who want to go farther without compromise, it delivers effortless lift, steady cruising, and the kind of fuel savings that let you spend more time on the water instead of watching the gauge. You’ll feel the difference right away — that smooth, confident pull as the boat gets on plane and the quiet satisfaction of knowing it’s running exactly how it should.

Key Features

• Diameter and Pitch: 16" Diameter x 19" Pitch

• Rotation: Right-Hand

• Blade Count: 3-Blade

• Material: Mercury X7 Stainless Steel Alloy (30% stronger than conventional stainless steel)

• Finish: Polished Stainless

• Hub System: Requires Mercury hub kit (sold separately)

• Design Details: Optimized blade geometry for maximum fuel efficiency and smooth performance at cruise speeds

Engine & Boat Compatibility

• Compatible with Mercury and Mariner 90–115 HP Command Thrust outboards

• Fits Mercury 135–350 HP TwoStroke and FourStroke outboards (excluding V10 Verado)

• Works with MerCruiser Alpha One and Bravo One sterndrives

• Ideal for center consoles, cruisers, fishing boats, and high-efficiency performance setups

Performance Benefits

The Mercury Enertia ECO 16" x 19" propeller is all about balance — power when you need it, efficiency when you want it. As soon as you ease into the throttle, you’ll feel how smoothly it bites the water, lifting the boat cleanly without strain. The acceleration feels solid yet controlled, and the transition to plane happens almost effortlessly. Once you reach cruising speed, the difference becomes obvious — the boat feels lighter, steadier, and quieter.

This Mercury propeller shines where most boaters spend their time — at midrange cruising speeds. Its design lets you stay on plane at lower RPMs, helping you stretch your range and use less fuel without giving up the fun of spirited performance. The ride feels composed, even in chop, and the prop stays planted through turns, giving you a sense of command over every movement.

Durability is another strength. Crafted from Mercury’s proprietary X7 stainless steel alloy, the Enertia ECO is 30% stronger and four times more durable than standard stainless-steel props. It resists flex and impact, holding its edge and polish even after long seasons on both fresh and saltwater. Less maintenance, fewer worries, and more dependable performance — that’s what you get every time you launch.

Why is this prop is a strong choice vs. alternatives?

If you’re the kind of boater who values both performance and practicality, the Enertia ECO is the smart choice. It’s Mercury OEM engineering at its best — designed to deliver real-world efficiency where it matters most. You’ll get improved fuel economy, extended range, and smooth, predictable handling without losing top-end power.

Compared to other stainless-steel props, the Enertia ECO runs quieter, holds plane at lower speeds, and gets more miles out of every tank. It’s equally at home on a family cruiser, a fishing setup, or an offshore rig built for long days on the water. And with Mercury’s precision design and X7 alloy strength, you’re getting a prop that lasts — season after season.

In short, this isn’t just about saving fuel; it’s about getting more from every run. The Enertia ECO turns ordinary cruising into something smoother, steadier, and a whole lot more enjoyable.

FAQ Section

Q1: Which Mercury engines does the Enertia ECO fit?

It’s compatible with Mercury and Mariner 90–115 HP Command Thrust outboards, Mercury 135–350 HP TwoStroke and FourStroke outboards (excluding V10 Verado), and MerCruiser Alpha One and Bravo One sterndrives.

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

The Enertia ECO is specifically designed for fuel efficiency at cruising speeds while maintaining strong acceleration and high top-end performance.

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

The 19" pitch is ideal for mid- to high-horsepower setups where you want to cruise efficiently without losing acceleration or responsiveness.

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

Yes. Its X7 stainless-steel alloy offers exceptional corrosion resistance, making it durable for both environments.

Q5: What hub system does it use?

It requires a Mercury hub kit (sold separately) and is approved for Joystick Piloting applications.