Mercury – Quicksilver Black Diamond 3-Blade Aluminum Propeller | 15.3" Diameter x 15" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | High-Gloss Black Finish | QA2008X

Overview.

There’s something satisfying about a propeller that just works — no fuss, no overthinking, just smooth, steady performance every time you throttle up. The Quicksilver Black Diamond 15" Pitch Propeller ( QA2008X) is that kind of dependable companion. It’s the prop you trust when you want reliable power, consistent handling, and the kind of durability that holds up season after season. Whether you’re taking the family for a cruise or loading up for a day of fishing, this prop makes every trip feel effortless.

Key Features.

• Diameter and Pitch: 15.3-inch diameter, 15-inch pitch
• Rotation: Right-Hand
• Blade Count: 3-Blade design for balanced performance and responsiveness
• Material: Durable aluminum construction
• Finish: High-gloss Phantom Black for corrosion resistance and easy upkeep
• Hub System: Compatible with Quicksilver Flo-Torq II hub system (sold separately)
• Design Details: High-quality casting and finish for easy maintenance and long-lasting performance

Engine & Boat Compatibility

• Designed for Mercury/Mariner/MerCruiser engines
• Works with 90–115 HP Command Thrust and 150–300 HP Mercury/MerCruiser engines
• Suitable for boats with up to 250 HP and top speeds under 50 mph
• Excellent for runabouts, pontoons, fishing boats, and family cruisers
• Compatible with most engine brands using the Flo-Torq II hub system

Performance Benefits

The Mercury Quicksilver Black Diamond 15" Pitch Mercury propeller offers that perfect blend of power and predictability. When you ease the throttle forward, it grips cleanly, giving you a confident hole shot and smooth acceleration. There’s no drama — just reliable, even thrust that gets you on plane without hesitation.

Once you’re moving, you’ll feel the balance. The three-blade design keeps your boat tracking steady, even when turning or cruising at moderate speeds. It’s forgiving enough for new boaters yet precise enough for seasoned captains who want predictable handling in all water conditions.

At cruising speed, the Black Diamond really shines. The aluminum blades slice through the water efficiently, giving you solid midrange performance and better fuel economy. It’s a quieter, smoother ride that lets you enjoy the hum of the motor and the rhythm of the waves without unnecessary vibration or chatter.

Maintenance is easy, too. The high-gloss Phantom Black finish doesn’t just look sharp — it protects against corrosion, scuffs, and wear from salt or debris. If it ever takes a hit, aluminum construction means you can repair or replace it affordably, without sacrificing performance.

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

The Quicksilver Black Diamond QA2008X is a favorite among boaters because it’s practical, durable, and cost-effective. It’s Mercury-engineered, meaning it’s built to meet the same standards as OEM props — just at a more accessible price point.

Compared to stainless steel propellers, the Black Diamond offers a lighter, more forgiving ride and simpler maintenance. It’s ideal for those who want a dependable prop without overinvesting in high-performance hardware. Whether it’s your primary setup or a reliable spare, it delivers great all-around performance for almost any kind of boating day.

In real-world terms, this prop gives you what you need most — solid acceleration, easy handling, and trustworthy performance across a variety of water conditions. It’s the perfect mix of value and reliability, ready to get you where you want to go, time and time again.

FAQ

Q1: Which Mercury engines does the Quicksilver Black Diamond 15" Pitch Propeller fit?

This prop fits Mercury/Mariner/MerCruiser engines with 90–115 HP Command Thrust and 150–300 HP power ranges, as well as most other engine brands using the Flo-Torq II hub system.

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

It’s the perfect balance of value, durability, and everyday performance — offering smooth handling and easy maintenance at a lower cost than stainless props.

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

If your boat runs under 50 mph and has up to 250 HP, this 15-inch pitch prop is an excellent all-purpose choice for steady cruising and reliable acceleration.

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

Yes. Its Phantom Black finish protects against corrosion, making it suitable for both environments.

Q5: What hub system does it use?

The Black Diamond prop is compatible with the Quicksilver Flo-Torq II hub system, allowing it to fit multiple engine brands. The hub kit is sold separately.