Mercury – Quicksilver Black Diamond 3-Blade Aluminum Propeller | 9" Diameter x 10" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | High-Gloss Phantom Black Finish | QA3150R

Overview.

Every boater knows the quiet satisfaction of a boat that just feels right when the engine hums smoothly, the throttle responds with precision, and the water breaks evenly off the transom. The Quicksilver Black Diamond 9" x 10" Pitch Propeller (QA3150R) delivers exactly that. It’s not designed to impress at first glance it’s designed to perform, trip after trip, without fuss or failure.

Built for smaller boats and portable engines, this prop brings a balance of smooth thrust, easy control, and dependable durability. It’s the kind of gear that fades into the background because it simply works the way every reliable prop should.

Key Features.

• Diameter and Pitch: 9-inch diameter, 10-inch pitch
• Rotation: Right-Hand
• Blade Count: 3-Blade design for consistent lift and smooth handling
• Material: Strong, lightweight aluminum for efficiency and performance
• Finish: High-gloss Phantom Black coating for long-lasting corrosion resistance
• Hub System: Includes pre-installed rubber hub for vibration-free operation
• Design Details: Precision-cast blades provide balance, clean thrust, and dependable acceleration

Engine & Boat Compatibility.

• Designed for 7.5–28 HP engines with Pin drive systems (various makes and models)
• Compatible with Mercury, Mariner, and MerCruiser engines
• Works well with Honda, Yamaha, and other small outboards with compatible hub setups
• Ideal for dinghies, tenders, small fishing boats, and lightweight runabouts
• Recommended for boats with top speeds under 40 mph
• Suitable for both freshwater and saltwater use

Performance Benefits.

The Mercury Quicksilver Black Diamond 10" Pitch Propeller brings a smooth, confident feel to every outing. The moment you throttle up, you’ll feel it catch the water with a sure, steady grip. It’s responsive without being abrupt giving you precise acceleration whether you’re easing out of a tight marina or opening up across open water.

Once your boat is underway, the three-blade design keeps things balanced and predictable. It delivers lift when you need it, stability when you want it, and control that makes maneuvering second nature. Turns feel clean, cruising feels calm, and low-speed tracking is steady and quiet exactly what smaller outboards need to feel bigger and stronger than they are.

Durability is another strength. The aluminum construction is tough enough to handle bumps, debris, and shallow-water surprises while staying light enough to reduce drag and improve engine efficiency. That means better fuel economy and less strain on your motor. The Phantom Black finish doesn’t just look sleek; it protects against salt, sand, and corrosion, keeping the prop running smooth and looking sharp season after season.

If you ever make light contact with a rock or sandbar, aluminum’s forgiving nature means damage is usually minimal and repairs are quick something every weekend boater can appreciate. This prop gives you performance you can feel and reliability you can count on, without the cost or weight of stainless steel.

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

The Quicksilver Black Diamond QA3150R is Mercury’s version of simplicity done right. It’s not overdesigned or delicate it’s a workhorse prop that provides consistent, worry-free performance. For smaller outboards, it strikes the ideal balance between thrust, durability, and efficiency.

Compared to stainless props, it’s lighter, quieter, and far more cost-effective to replace or repair. It’s built for real-world use for the boater who values performance they can trust more than features they don’t need. Whether you’re cruising at sunrise, fishing in tight shallows, or just heading to your favorite cove, this prop keeps things steady, efficient, and stress-free.

It’s a simple truth: some of the best equipment is the kind you never have to think about. The QA3150R fits that perfectly a small prop with big reliability, ready to perform whenever you are.

FAQ

Q1: Which engines does the Quicksilver Black Diamond 10" Pitch Propeller fit?

This prop fits 7.5–28 HP engines with Pin drive systems and is compatible across various brands, including Mercury, Yamaha, and Honda outboards.

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

It’s designed for small-engine precision — offering clean thrust, dependable acceleration, and steady control in a compact, easy-to-maintain package.

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

If your boat uses a small outboard (under 30 HP) and you want smooth, consistent performance with efficient cruising, the 10-inch pitch is a solid match.

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

Yes. The Phantom Black finish provides excellent corrosion resistance and stands up to salt, sand, and moisture in any environment.

Q5: What hub system does it use?

This prop includes a pre-installed rubber hub, ensuring quiet, vibration-free performance and a secure fit for immediate use.