Mercury – Quicksilver Black Diamond 3-Blade Aluminum Propeller | 10.625" Diameter x 12" Pitch | Right-Hand Rotation | 3 Blades | Aluminum | High-Gloss Black Finish | QA2074X

Overview

There’s a certain calm that settles in when your boat lifts cleanly onto plane and the engine hums in tune with the water beneath you. That’s the kind of confidence the Quicksilver Black Diamond 3-Blade Aluminum Propeller delivers. It’s not flashy or complicated—it’s simply dependable. You’ll feel it from the moment you throttle up: smooth power, steady handling, and the quiet reassurance that your setup is dialed in. For boaters who value real-world performance over hype, this prop gets it right every time.

Key Features

• Diameter & Pitch: 10.625" Diameter x 12" Pitch
• Rotation: Right-Hand
• Blade Count: 3 Blades
• Material: Aluminum construction for lasting strength and efficiency
• Finish: High-gloss Phantom Black coating resists corrosion and wear
• Hub System: Compatible with the Quicksilver Flo Torq II hub system
• Design Details: Precision-cast for smooth acceleration and easy maintenance

Engine & Boat Compatibility

• Designed for Mercury outboard engines in the 40–60 horsepower range
• Works with Mariner and MerCruiser power setups
• Compatible with Honda and Tohatsu engines when equipped with the Flo-Torq Reflex Thrust Washer (Part Number 8M0046466, sold separately)
• Ideal for fishing boats, small cruisers, pontoons, and lightweight runabouts
• Recommended for boats with up to 250 horsepower and top speeds below 50 mph

Performance Benefits

When you put this prop in the water, you can feel the difference. It grips with authority, pulling the boat forward with a clean, even push that feels steady through the wheel. The 3-blade design gives you quick, confident acceleration and a smooth cruising pace, whether you’re running open water or weaving through channels.

The balance is spot on—strong enough to carry a load, yet forgiving when conditions change. Its lightweight aluminum construction helps protect your gear if you happen to brush a sandbar or run shallow. That high-gloss Phantom Black finish doesn’t just look good—it shrugs off corrosion and makes rinsing down after a salty day effortless. It’s reliable, easy to maintain, and built to handle whatever kind of water you call home.

Why is this prop a strong choice vs. alternatives?

Let’s be honest: not everyone needs a stainless prop. Most boaters want something they can trust to perform without constant upkeep or a high price tag. This Mercury propeller strikes the ideal balance between durability and value. It’s engineered by Mercury to fit a wide range of engines, giving you factory-level performance at a fraction of the cost of premium materials.

The casting is clean, the pitch is consistent, and the ride quality speaks for itself. If you want a prop that’s easy to install, performs beautifully, and lasts season after season, this one checks all the boxes. It’s a smart, no-nonsense choice for anyone who values dependable performance over bells and whistles.

FAQ Section

Q1: Which Mercury engines does the Quicksilver Black Diamond 10.625" x 12" Propeller fit?

It’s designed for Mercury outboard engines ranging from 40 to 60 horsepower. It also works with select Honda and Tohatsu models using the Flo-Torq Reflex Thrust Washer.

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

This prop combines Mercury’s trusted engineering with a lightweight aluminum design that offers smooth, efficient thrust at a lower cost than stainless steel.

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

If your engine reaches its recommended RPM range at wide-open throttle and your boat handles best at moderate cruising speeds, the 10.625" x 12" pitch is likely an excellent fit. Always confirm with your manual or local Mercury dealer.

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

Yes. The durable Phantom Black coating helps resist corrosion in both environments. Just rinse after each use, especially after saltwater runs.

Q5: What hub system does it use?

This prop uses the Quicksilver Flo Torq II hub system, allowing for smooth shifts, quiet operation, and compatibility across multiple engine brands.