Mercury – Enertia ECO 3-Blade Stainless Steel Propeller | 16" Diameter x 18" Pitch | Left-Hand Rotation | 3-Blade | Stainless Steel | Polished Finish | 8M0151252

Overview

There’s something special about the way a good prop makes a boat come alive. The Mercury Enertia ECO 16x18 Left-Hand 3-Blade Stainless Steel Propeller (8M0151252) isn’t just another shiny piece of hardware—it’s a prop you feel in your bones. The moment you throttle up, it grabs the water with confident bite and sends you gliding forward with effortless strength. It’s built for boaters who value time on the water and expect every drop of fuel to go the extra mile.

You’ll notice it right away—the smoother acceleration, the steadier cruise, the sense that your boat’s working with you instead of against you. The Enertia ECO delivers that balance beautifully, making long runs feel easier and weekends on the water stretch a little farther.

Key Features

• Diameter and Pitch: 16" Diameter x 18" Pitch
• Rotation: Left-Hand Rotation
• Blade Count: 3-Blade Design
• Material: Mercury X7 Stainless Steel Alloy (30% stronger than conventional stainless)
• Finish: Polished Stainless Steel
• Hub System: Requires a Mercury hub kit (sold separately)
• Design Details: Crafted for enhanced fuel economy at cruising speeds without giving up acceleration or top-end performance

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
• Great match for runabouts, offshore fishing boats, and versatile family cruisers
• Approved for Joystick Piloting applications

Performance Benefits

The Enertia ECO is all about balance—power, precision, and endurance in one smooth package. Its three-blade stainless design grips the water with authority, giving you sharp acceleration when you need to jump on plane and steady cruising when you’re covering long stretches. You’ll feel the lift and control through every turn, even when conditions get unpredictable.

At cruising speed, this prop really shines. It’s designed to optimize fuel efficiency right where most boaters spend their time—between 3,000 and 4,500 RPM. The result? You’ll get longer range, fewer fuel stops, and more hours exploring open water. The Mercury X7 stainless steel alloy resists corrosion and damage from debris, giving you long-lasting reliability that doesn’t quit after one season. Maintenance stays simple, and durability stays high.

Why is this prop a strong choice vs. alternatives?

• True OEM Quality: Mercury designed and tested this prop to meet the highest performance standards—no guessing, no modifications needed.
• Strong Yet Efficient: The X7 alloy offers four times the durability of traditional stainless steel while keeping the prop surprisingly light.
• Fuel Savings that Add Up: Its ECO-tuned blade geometry helps maximize cruising efficiency, so you spend less on fuel and more time on the water.
• Versatility You Can Trust: Fits a broad range of Mercury and Mariner engines, making it a reliable choice whether you’re running a family cruiser or a sport fishing boat.
• Confidence from Experience: Every Mercury propeller is backed by decades of engineering, testing, and real-world boating know-how.

FAQ Section

Q1: Which Mercury engines does the Enertia ECO fit?

It fits Mercury and Mariner 90–115 HP Command Thrust outboards, 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 ability to deliver excellent fuel economy at cruising speeds without sacrificing top-end speed or hole-shot power. It’s a perfect mix of efficiency and performance.

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

If your current setup runs near the top of your RPM range, this 18-pitch prop can help bring your revs down slightly while improving mid-range economy. Always check your owner’s manual or consult a Mercury dealer for the ideal match.

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

Absolutely. The stainless steel construction and polished finish make it tough enough for saltwater and clean-running in freshwater.

Q5: What hub system does it use?

It uses a Mercury hub kit, available separately, to ensure precise fit and vibration-free operation.