Mercury – Quicksilver Black Diamond 3-Blade Aluminum Propeller | 13.4" Diameter x 13" Pitch | Right-Hand Rotation | 3 Blades | Aluminum | High-Gloss Black Finish | QA2078X

Overview

There is something special about finding a prop that just feels right — the kind that makes your boat lift cleanly, steer easily, and run smooth without needing constant adjustment. The Quicksilver Black Diamond 3-Blade Aluminum Propeller does exactly that. It’s a solid, dependable prop that gives you confidence every time you hit the throttle. You’ll feel the difference the moment your boat pulls away — steady grip, easy acceleration, and that calm sense of control that makes time on the water a little more effortless.

Key Features

• Diameter & Pitch: 13.4" Diameter x 13" Pitch
• Rotation: Right-Hand
• Blade Count: 3 Blades
• Material: Durable aluminum construction for lasting strength and balance
• Finish: High-gloss Phantom Black coating for corrosion resistance and a clean, polished look
• Hub System: Compatible with the Quicksilver Flo-Torq II hub system
• Design Details: Precision-cast for smooth water flow, efficient thrust, and quiet operation

Engine & Boat Compatibility

• Designed for Mercury FourStroke outboards in the 40–60 horsepower range
• Compatible with select Honda and Tohatsu engines (installation requires Flo-Torq Reflex Thrust Washer, part number 8M0046466, sold separately)
• Ideal for runabouts, fishing boats, small pontoons, and lightweight cruisers
• Works best on boats with top speeds under 50 mph
• Suitable for both freshwater and saltwater use

Performance Benefits

The first thing you’ll notice with this prop is how cleanly it grabs the water. Acceleration is smooth and predictable — no slipping, no lag, just a steady surge that feels balanced from idle to full throttle. It’s the kind of response that makes docking easier and cruising more relaxed.

Once you’re up and running, the prop’s three-blade design keeps things steady. The boat holds plane nicely without fighting the wheel, even in light chop or shifting currents. Steering feels responsive yet forgiving, which means you can spend more time enjoying the ride and less time making corrections.

Durability is another highlight. The Black Diamond’s aluminum construction is tough enough to handle everyday use while remaining light enough to protect your lower unit in case of minor bumps or debris. That high-gloss Phantom Black finish doesn’t just look sharp — it stands up to corrosion, salt, and regular wear, so you spend less time scrubbing and more time cruising.

Why is this prop a strong choice vs. alternatives?

If you’re looking for real-world dependability without breaking the bank, this Mercury propeller is a standout choice. It delivers the kind of performance you can count on — smooth, strong, and consistent — backed by genuine Mercury OEM engineering.

Unlike stainless steel props, it’s more forgiving if you hit something underwater, easier to maintain, and significantly more affordable to replace. It fits a wide range of boats and engines, making it a go-to upgrade or reliable replacement for boaters who want dependable performance in a straightforward package.

The Quicksilver Black Diamond 13.4" x 13" offers that sweet balance of lift, control, and durability — the kind that makes every run a little smoother and every trip a little easier.

FAQ Section

Q1: Which Mercury engines does the Quicksilver Black Diamond 13.4" x 13" Propeller fit?

It’s designed for Mercury FourStroke engines in the 40–60 horsepower range and compatible with similar Mariner or Tohatsu models when equipped with the proper hub components.

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

This prop combines durable aluminum construction with a balanced three-blade design, giving you strong thrust, smooth handling, and reliable performance at a great value.

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

If your engine runs within its recommended RPM range and you want steady acceleration with good all-around speed, the 13" pitch is likely a great fit. Always confirm with your engine manual or dealer.

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

Absolutely. The Phantom Black finish resists corrosion in both environments. Rinsing after saltwater use helps extend its life even further.

Q5: What hub system does it use?

It uses the Quicksilver Flo-Torq II hub system, which reduces vibration, absorbs shock, and allows easy installation or replacement.