Mercury – Quicksilver Black Diamond 3-Blade Aluminum Propeller | 10.4" Diameter x 14" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | Phantom Black Finish | QA2080X

Overview

When you’re out on the water, you want gear that’s dependable — something that feels right the moment you throttle up. The Quicksilver Black Diamond 3-Blade Aluminum Propeller delivers exactly that. It’s smooth, balanced, and responsive, giving your boat a confident grip on the water whether you’re cruising, fishing, or just taking a quiet run across the lake.

This is the prop boaters reach for when they want reliability without overcomplication. It’s not built to impress at the dock — it’s built to perform once you’re moving. From smooth takeoffs to steady mid-range cruising, this prop has a predictable, trustworthy feel that makes every trip more enjoyable.

Key Features

• Diameter and Pitch: 10.4" Diameter x 14" Pitch
• Rotation: Right-Hand Rotation
• Blade Count: 3-Blade design for balanced power and smooth operation
• Material: Cast aluminum for strength and value
• Finish: High-gloss Phantom Black finish resists corrosion and looks sharp
• Hub System: Compatible with the Quicksilver Flo Torq II hub system (rubber hub included)
• Design Details: Optimized blade shape for consistent thrust and easy maintenance

Engine & Boat Compatibility

• Designed for 40–60 HP Standard Mercury outboard engines
• Compatible with Mariner and MerCruiser engines using the Flo Torq II hub system
• Works with Honda and Tohatsu engines when equipped with the Flo Torq Reflex Thrust Washer (part number 8M0046466, sold separately)
• Ideal for runabouts, pontoons, and small fishing boats that need steady lift and smooth control
• Best suited for boats with top speeds under 50 mph

Performance Benefits

There’s a reason the Black Diamond is one of the world’s best-selling aluminum propellers — it simply works. When you hit the throttle, you’ll feel the boat lift cleanly, the blades catching water with confidence. Acceleration feels steady, not jumpy, and once you’re at cruising speed, everything settles into a quiet, smooth rhythm.

This 3-blade design strikes a great balance between power and efficiency. You’ll get the push you need for quick planing without sacrificing fuel economy or ride comfort. Handling feels light and responsive, even in turns or choppy conditions. It grips the water with authority, giving you precise control without the harsh vibration you might get from lesser props.

The aluminum construction and glossy Phantom Black finish don’t just look good — they hold up. You’ll find this prop easy to clean, forgiving when it comes to small impacts, and built to handle the wear of long boating seasons. It’s reliable, simple to maintain, and made to keep you on the water longer.

Why is this prop a strong choice vs. alternatives?

• Mercury OEM quality: Built to the same standards as Mercury’s factory-installed props, ensuring top-notch fit and performance.
• Reliable and easy to maintain: Aluminum construction and corrosion-resistant finish make it long-lasting and low-maintenance.
• Cost-effective alternative to stainless steel: Delivers excellent performance and durability at a more affordable price.
• Versatile compatibility: Works across multiple engine brands through the Flo Torq II hub system.
• Proven dependability: Chosen by boaters who want consistent performance, smooth handling, and strong lift every time out.

This is the kind of prop you put on and forget about — because it just keeps working. It’s the reliable performer you’ll count on season after season.

FAQ

Q1: Which Mercury engines does the Quicksilver Black Diamond fit?

This prop fits 40–60 HP Standard Mercury outboard engines and other compatible models using the Flo Torq II hub system.

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

It’s the best-selling aluminum design in the world, known for its reliable handling, smooth thrust, and affordability.

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

If your boat runs a 40–60 HP engine and you want strong acceleration with a smooth cruise, the 10.4" x 14" pitch is an excellent match.

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

Yes. The Phantom Black finish protects against corrosion in both environments — just rinse it after saltwater use.

Q5: What hub system does it use?

This prop includes a rubber hub compatible with the Quicksilver Flo Torq II hub system, allowing flexible use across multiple engine brands.