Mercury – Black Max 3-Blade Aluminum Propeller | 11.25" Diameter x 10" Pitch | Right-Hand Rotation | 3 Blades | Aluminum | Glossy Phantom Black Finish | 73132A45

Overview

There’s a quiet kind of confidence that comes from using gear that never lets you down—the kind that just works every time you turn the key. That’s exactly what you get with the Mercury Black Max 3-Blade Aluminum Propeller. It’s built for boaters who care more about performance and reliability than flash and fuss. From slow morning drifts to open-water runs, this prop gives you the control, balance, and steady push that make every ride feel easy and natural.

Key Features

• Diameter and Pitch: 11.25" Diameter x 10" Pitch

• Rotation: Right-Hand

• Blade Count: 3 Blades

• Material: Mercury’s Patented Mercalloy Aluminum Alloy for strength and flexibility

• Finish: Glossy Phantom Black Enamel to resist corrosion and maintain a lasting shine

• Hub System: Includes Flo-Torq Reflex Hub Kit 835257K12 to absorb vibration and protect drivetrain components

• Design Details: Crafted for smooth acceleration, steady cruising, and reliable handling in variable conditions

Engine & Boat Compatibility

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

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

• Compatible with 40–60hp FourStroke models

• Ideal for pontoons, small fishing boats, light runabouts, and utility craft that need dependable lift, quiet handling, and smooth thrust across the water

Performance Benefits

You don’t have to push hard to notice the difference. This prop grips the water with purpose, getting your boat on plane fast and steady. Every move feels sure and balanced, and once you’re cruising, it all smooths out like second nature.Even in choppy water, you’ll notice how stable and predictable your ride feels—no sudden slips or vibration, just solid performance from start to finish.

The prop’s Mercalloy aluminum construction gives it a perfect mix of durability and forgiveness. It’s strong enough to take a few bumps or brush against debris without letting you down, yet flexible enough to absorb impact without cracking. The Flo-Torq Reflex Hub Kit adds another layer of protection by dampening vibration and shielding your drivetrain, so everything runs quieter and lasts longer.

Maintenance is simple—just rinse it after a run, give it a quick look, and it’s ready for next time. The Phantom Black enamel finish does more than look sharp—it holds up beautifully against corrosion from salt or freshwater, keeping your prop looking as good as it performs.

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

• Mercury OEM Quality: Designed by Mercury for a perfect fit, lasting strength, and dependable results.

• Reliable and Easy to Maintain: Straightforward upkeep with rugged materials built for long-term use.

• Smart Value: Offers excellent performance and protection without the high price of stainless steel.

• Versatile Fit: Works across a range of small to mid-size Mercury outboards and boat styles.

• Proven Dependability: Loved by boaters for its balance, grip, and smooth handling, season after 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?

The Black Max is Mercury’s trusted all-around performer. Its Mercalloy construction combines toughness and flexibility, while the Flo-Torq Reflex Hub Kit absorbs shock and protects your motor for smoother operation.

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 quick lift, smooth handling, and steady cruising, the 11.25" x 10" pitch is a great fit. Check your owner’s manual or dealer to confirm compatibility.

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

Yes, the Phantom Black enamel coating provides durable corrosion resistance in both environments.

Q5: What hub system does it use?

It includes the Flo-Torq Reflex Hub Kit 835257K12, which helps absorb vibration, protect the drivetrain, and reduce the effects of small impacts