Mercury – Enertia ECO 3-Blade Stainless Steel Propeller | 16" Diameter x 18" Pitch | Right-Hand Rotation | 3-Blade | Stainless Steel | Polished Finish | 8M0151253

Overview

Some propellers just move water. The Mercury Enertia ECO 16x18 Right-Hand 3-Blade Stainless Steel Propeller (8M0151253) does more—it makes every trip feel effortless. You’ll feel the difference the moment you throttle up. The boat climbs smoothly, settles into plane, and stays there with less throttle and less fuel burn. It’s the kind of prop that makes you look back at the wake and smile, knowing your setup is dialed in.

Boaters who spend real time on the water know what matters most—steady cruising, dependable performance, and fuel efficiency that actually shows up in the numbers. The Enertia ECO delivers all three, giving you the freedom to stretch your range, explore farther, and make every weekend feel longer.

Key Features

• Diameter and Pitch: 16" Diameter x 18" Pitch
• Rotation: Right-Hand Rotation
• Blade Count: 3-Blade Design
• Material: Mercury X7 Stainless Steel Alloy (30% stronger than standard stainless steel)
• Finish: Polished Stainless Steel
• Hub System: Requires a Mercury hub kit (sold separately)
• Design Details: Engineered to enhance fuel efficiency at cruising speeds without sacrificing acceleration or top-end speed

Engine & Boat Compatibility

• Works with Mercury and Mariner 90–115 HP Command Thrust Outboards
• Fits Mercury 135–350 HP TwoStroke and FourStroke Outboards (excluding V10 Verado)
• Compatible with MerCruiser Alpha One and Bravo One sterndrives
• Ideal for runabouts, offshore fishing boats, and performance cruisers
• Approved for Joystick Piloting applications

Performance Benefits

The Enertia ECO is built for boaters who live in that sweet spot between speed and economy. It’s not about squeezing out the last mile per hour—it’s about cruising longer and smoother on the same tank of fuel. With its three-blade design, the prop bites hard out of the hole, delivering confident acceleration. Once you’re cruising, it holds plane easily, keeping the boat steady and predictable even in variable water conditions.

You’ll notice how effortlessly it carries the hull—how quiet and smooth it feels when you ease back the throttle and settle into a long run. Its X7 stainless steel construction gives it exceptional strength and resilience, shrugging off minor impacts and resisting corrosion in both saltwater and freshwater. Maintenance stays minimal, and reliability stays high. It’s the kind of prop that just works—trip after trip, season after season.

Why is this prop a strong choice vs. alternatives?

• Mercury OEM Confidence: Designed and tested by Mercury engineers for precision fit, lasting performance, and dependable quality.
• Proven Fuel Efficiency: Optimized for cruising RPMs where most boaters spend their time—delivering real savings without compromising top-end speed.
• Built Tough: Made from Mercury’s exclusive X7 stainless steel, which is 30% stronger and four times more durable than conventional stainless.
• Smooth and Quiet: Balanced design ensures reduced vibration and better handling at all speeds.
• Versatile Fit: Works across a wide range of Mercury outboards and sterndrives, making it a reliable, go-anywhere choice.

FAQ Section

Q1: Which Mercury engines does the Enertia ECO fit?

It fits 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 stands out for its balance of power and efficiency. It’s tuned to deliver excellent fuel economy at cruising speeds while maintaining strong acceleration and top-end performance.

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

If your engine currently runs near the top of its recommended RPM range, moving to this 18-pitch prop can help reduce RPMs slightly while improving fuel efficiency and midrange speed.

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

Yes. The polished stainless steel finish and X7 alloy construction make it resistant to corrosion in both environments.

Q5: What hub system does it use?

It requires a Mercury hub kit (sold separately), ensuring a precise fit and smooth, vibration-free operation.