Mercury – Quicksilver Black Diamond 3-Blade Aluminum Propeller | 7.8" Diameter x 7" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | High-Gloss Phantom Black Finish | QA3182R

Overview

There’s something deeply satisfying about running a boat that feels just right — when the throttle responds smoothly, the wake looks clean, and you feel that gentle push forward without effort. The Quicksilver Black Diamond 7.8" x 7" Pitch Propeller (QA3182R) delivers exactly that kind of experience. It’s simple, reliable, and built for boaters who want dependable performance without fuss.

Perfect for small boats and portable outboards, this prop gives you the control and confidence you need whether you’re cruising calm lakes, exploring coastal shallows, or tending a quiet marina. It’s steady, smooth, and always ready to perform trip after trip.

Key Features.

• Diameter and Pitch: 7.8-inch diameter, 7-inch pitch
• Rotation: Right-Hand
• Blade Count: 3-Blade design for reliable thrust and smooth acceleration
• Material: Durable aluminum for strength and lightweight handling
• Finish: High-gloss Phantom Black coating for corrosion resistance and easy maintenance
• Hub System: Pre-installed rubber hub for vibration-free performance
• Design Details: Precision-cast construction ensures balance, consistency, and long-term durability

Engine & Boat Compatibility.

• Designed for 4–6 HP Mercury outboards.
• Works with Mercury, Mariner, and MerCruiser engines.
• Compatible with other engine brands through the Quicksilver Flo-Torq II hub system.
• Ideal for small fishing boats, inflatables, dinghies, tenders, and utility skiffs.
• Recommended for boats with top speeds under 40 mph.
• Suitable for both saltwater and freshwater use.

Performance Benefits.

The Mercury Quicksilver Black Diamond 7" Pitch Propeller may be small, but it delivers big when it comes to performance and dependability. From the moment you throttle up, you’ll feel it grab the water cleanly and push your boat forward with smooth, even power. There’s no chatter, no hesitation just a steady, confident pull that makes operating your boat feel effortless.

Once you’re underway, this prop maintains consistent thrust and tracking, even when you’re turning or maneuvering at low speeds. Its three-blade design provides reliable grip and lift, giving you better control and smoother handling in tight areas or choppy water. The balanced geometry minimizes vibration, protecting both your hands and your motor from unnecessary fatigue.

The lightweight aluminum construction makes it easy on your engine, improving fuel efficiency and reducing drag. It’s also forgiving if you bump a rock or sandbar, it’s far easier and more affordable to repair than a stainless steel prop. The Phantom Black finish resists corrosion and adds a sleek, professional look that stays sharp season after season.

Whether you’re running errands across the harbor, fishing at sunrise, or enjoying a peaceful afternoon cruise, this prop ensures your small outboard delivers the smooth, dependable push you need to stay in control and enjoy the ride.

Why It’s a Strong Choice.

The Quicksilver Black Diamond QA3182R stands out because it’s built for real-world boating. It’s Mercury-engineered to deliver consistent, all-around performance without overcomplication. For smaller outboards, it strikes that perfect balance between lift, acceleration, and durability all in an affordable, easy-to-maintain package.

Compared to stainless steel props, this aluminum model is lighter, quieter, and more forgiving when it comes to unexpected bumps. It’s designed for boaters who want practical performance and reliability that lasts, not just numbers on a spec sheet.

This prop doesn’t need to make a statement it just needs to perform. And it does. Every time you fire up your motor, you’ll feel the steady thrust, smooth response, and quiet confidence that define the Black Diamond series.

FAQ

Q1: Which Mercury engines does the Quicksilver Black Diamond 7" Pitch Propeller fit?

This propeller fits 4–6 HP Mercury outboard engines and can also be used with other small outboards through the Quicksilver Flo-Torq II hub system.

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

It’s built for small-engine efficiency, offering reliable performance, smooth handling, and excellent value for compact boats.

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

If your boat uses a 4–6 HP motor and you want steady thrust, easy maneuvering, and dependable efficiency, the 7-inch pitch is a great fit.

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

Yes. The Phantom Black coating provides strong corrosion resistance for all environments.

Q5: What hub system does it use?

This prop comes with a rubber hub pre-installed, providing vibration-free operation and secure fitment.