Mercury – Enertia 3-Blade Stainless Steel Propeller | 14" Diameter x 19" Pitch | Right-Hand Rotation | 3-Blade | X7 Stainless Steel | Polished Finish | 8M0151239

Overview

There’s a feeling you get when your boat just comes alive when the throttle responds instantly, the bow lifts cleanly, and you glide across the water with effortless control. That’s what the Mercury Enertia 14" x 19" Pitch Propeller (8M0151239) is built for. It’s engineered to turn power into performance, giving you the kind of acceleration, grip, and speed that makes every run feel exciting and smooth.

This isn’t just a propeller it’s confidence cast in stainless steel.

Key Features

• Diameter and Pitch: 14-inch diameter, 19-inch pitch
• Rotation: Right-Hand
• Blade Count: 3-Blade design for optimized lift and top-end performance
• Material: Mercury’s exclusive X7 stainless steel alloy 30% stronger and four times more durable than conventional stainless steel
• Finish: Polished surface for corrosion resistance and a refined appearance
• Hub System: Compatible with Mercury hub kits (sold separately)
• Design Details: Performance Vent System (PVS) lets you fine-tune acceleration and hole shot for your specific setup

Engine & Boat Compatibility

• Fits Mercury and Mariner 90–115 HP Command Thrust outboards
• Compatible with Mercury 135–350 HP TwoStroke and FourStroke outboards (excluding V10 Verado)
• Works with MerCruiser Alpha One and Bravo One sterndrives
• Ideal for runabouts, pontoons, performance cruisers, and tow boats
• Suitable for both saltwater and freshwater boating environments

Performance Benefits

The Mercury Enertia 8M0151239 is all about pure, responsive power. From the first touch of the throttle, you’ll feel the prop dig into the water with clean, confident grip. It planes fast no lag, no struggle and gives your boat a steady lift that feels natural and predictable.

At cruising speed, the Enertia’s efficiency really stands out. Its X7 stainless steel alloy resists flex, meaning every ounce of engine torque turns into forward motion. You’ll notice smoother acceleration, quicker hole shots, and impressive midrange control whether you’re towing riders, navigating chop, or chasing open-water speed.

The prop’s advanced geometry and wide blade area keep your boat balanced in turns, reducing slip and improving handling through tight maneuvers. The result? A faster, steadier, and more fuel-efficient ride. The PVS vent system adds another level of customization, letting you adjust vent plugs to match your specific load or power preference.

This prop doesn’t just perform it transforms how your boat feels on the water.

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

The Mercury Enertia QS8M0151239 is the upgrade serious boaters make when they’re ready for precision and power in one package. Stainless steel durability, Mercury engineering, and tunable performance make it one of the most versatile props on the water.

Compared to aluminum props, it’s stronger, faster, and far more efficient with a sharper bite and smoother cruising feel. The X7 alloy offers unmatched resilience, standing up to corrosion, sand, and debris while maintaining perfect balance over time.

If you’re chasing speed, pulling skiers, or just want a prop that delivers consistent lift and control, the Enertia is the one you’ll keep season after season. It’s the difference between good performance and great performance and you’ll feel that difference every time you throttle up.

FAQ

Q1: Which Mercury engines does the Mercury Enertia 14" x 19" Pitch Propeller 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 and Bravo One sterndrives.

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

The Enertia uses Mercury’s proprietary X7 stainless steel alloy, offering 30% more strength and four times the durability of standard stainless steel props.

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

If you’re running a mid- to high-horsepower outboard or sterndrive and want faster planing, stronger acceleration, and higher top-end speed, the 19-inch pitch is an excellent fit.

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

Yes. Its polished X7 stainless finish provides superior resistance to corrosion and wear, no matter where you boat.

Q5: What hub system does it use?

The Enertia propeller requires a Mercury hub kit (sold separately) for a secure, vibration-free fit and long-lasting performance.