Mercury – Black Max Propeller | 10.375" Diameter x 14" Pitch | Right-Hand Rotation | 3 Blades | Aluminum | Glossy Phantom Black Finish | 816706A45

Overview

There is something about dependable gear that gives you peace of mind every time you’re out on the water. The Mercury Black Max 3-Blade Aluminum Propeller has earned that trust from boaters for decades. It is smooth, responsive, and steady — the kind of prop that just works, no matter where your weekend takes you. You’ll feel the difference in the way it grips the water, lifts your boat, and delivers clean, confident power. For small to mid-sized Mercury outboards, this prop brings together strength, precision, and long-term reliability in one well-balanced design.

Key Features

• Diameter and Pitch: 10.375" Diameter x 14" Pitch

• Rotation: Right-Hand

• Blade Count: 3 Blades

• Material: Mercury’s patented Mercalloy aluminum alloy for strength and flexibility

• Finish: Glossy Phantom Black enamel for corrosion resistance and long-lasting shine

• Hub System: Flo-Torq Reflex Hub Kit 835257K12 absorbs vibration and shields the drivetrain

• Design Details: It is smooth, balanced design for steady lift, reliable water grip, and quiet operation

Engine & Boat Compatibility

• Fits Mercury and Mariner 25–30hp FourStroke BigFoot/Command Thrust outboards

• Compatible with 30hp TwoStroke and 30hp FourStroke (2005 and earlier) engines

• Works with 40–60hp FourStroke outboards

• Ideal for pontoons, small fishing boats, lightweight cruisers, and runabouts

• Great choice for boaters who want easy control, smooth cruising, and efficient performance

Performance Benefits

• Smooth and Steady Power: From the moment you shift into gear, the Black Max engages with clean, predictable thrust. It moves your boat forward with confidence, offering a smooth push that feels natural and easy to control.

• Crisp Acceleration: The 10.375" diameter and 14" pitch pairing delivers the right balance of speed and grip. You’ll notice how quickly your boat gets on plane, with minimal slip and a consistent pull through the water.

• Effortless Handling: Whether you’re navigating a marina, cutting across open water, or adjusting course in a light breeze, this prop responds with precision. Turns feel deliberate but smooth, and your boat tracks straight without extra effort at the helm.

• Built to Endure: Mercury’s Mercalloy aluminum alloy is tough yet forgiving — strong enough to handle long hours on the water, yet flexible enough to absorb light bumps or debris contact without damage. The Flo-Torq Reflex Hub adds another layer of protection, cushioning your drivetrain from sudden shocks.

• Low Maintenance and Longevity: Keeping this prop in great shape is simple. A quick rinse after each trip and a basic inspection are usually all it takes. The Phantom Black enamel finish resists corrosion in both freshwater and saltwater, maintaining its sleek look and dependable performance season after season.

Why This Prop Is a Strong Choice vs. Alternatives

• Mercury OEM Quality: Designed, tested, and refined by Mercury’s own engineers for precise fit and proven reliability.

• Reliable and Easy to Maintain: Straightforward upkeep and rugged construction make it a long-term performer.

• Cost-Effective Performance: You get smooth, efficient handling and lasting durability without the price tag of stainless steel.

• Versatile and Forgiving: Works beautifully across a variety of small to mid-sized boat setups while maintaining balance and control.

• Trusted by Boaters: Known for its quiet operation, steady thrust, and long-term dependability — the kind of prop you can count on every season.

FAQ

Q1: Which Mercury engines does the Black Max 3-Blade Aluminum Propeller fit?

It fits Mercury and Mariner 25–30hp FourStroke BigFoot/Command Thrust, 30hp TwoStroke, 30hp FourStroke (2005 and earlier), and 40–60hp FourStroke outboards.

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

Its Mercalloy aluminum construction and Flo-Torq Reflex Hub combination deliver strength, flexibility, and vibration control for a smoother, quieter ride.

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

If you’re running a 25–60 horsepower Mercury outboard and want clean lift, consistent power, and responsive control, the 10.375" x 14" pitch is an excellent match. You can always double-check your manual or consult your local Mercury dealer.

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

Yes. The Phantom Black enamel finish helps prevent corrosion, ensuring dependable use in both environments.

Q5: What hub system does it use?

It includes Mercury’s Flo-Torq Reflex Hub Kit 835257K12, designed to reduce vibration and protect your drivetrain from minor impact damage.