Mercury – Quicksilver Black Diamond Bravo Two Propeller | 17.75" Diameter x 21" Pitch | Left-Hand Rotation | 3 Blades | Aluminum | Black Finish | QA1947R

Overview

Every captain knows the quiet confidence that comes when your boat moves exactly how you expect — steady, strong, and unshakable. That kind of performance comes from the right prop pushing behind you, and the Quicksilver Black Diamond Bravo Two delivers just that. Designed for Bravo Two drives and big-bodied boats that need real torque, this prop gives you that powerful, controlled push that feels effortless at the helm. It’s smooth, reliable, and built to handle whatever you throw at it — from long cruises to heavy loads.

Key Features

• Diameter & Pitch: 17.75" Diameter x 21" Pitch
• Rotation: Left-Hand
• Blade Count: 3 Blades
• Material: Tough aluminum construction for lasting strength
• Finish: Durable black coating for corrosion resistance and clean looks
• Hub System: Includes Flo-Torq I rubber hub (Part Number 43636T)
• Design Details: Large, heavy-duty blades maximize thrust and efficiency on heavy hulls

Engine & Boat Compatibility

• Designed for MerCruiser engines with Bravo Two drives
• Ideal for large cruisers, houseboats, pontoon boats, and workboats
• Perfect for boats that require strong low-speed thrust and dependable control
• Compatible with Mercury sterndrive systems using the Bravo Two configuration

Performance Benefits

You’ll feel this prop’s strength the moment you throttle up. The large blade area digs in deep, turning your engine’s torque into steady, deliberate movement. There’s no slip, no hesitation — just smooth, confident thrust whether you’re backing away from the dock or pushing through open water.

At cruising speed, the Black Diamond Bravo Two prop keeps things steady and efficient. The broader blades distribute load evenly, which means less vibration, better grip, and quieter running. It’s especially impressive when maneuvering — turning feels natural, reverse has bite, and docking heavy boats feels easier and more predictable.

Maintenance is simple too. The aluminum build is rugged yet forgiving if you happen to brush a sandy bottom, and the black finish resists corrosion from both freshwater and saltwater use. It’s the kind of prop that asks for very little but delivers a lot — steady handling, dependable power, and seasons of worry-free performance.

Why is this prop a strong choice vs. alternatives?

For boaters running Bravo Two drives, this Mercury propeller is a workhorse. It offers Mercury’s trusted OEM engineering with the durability and value of aluminum construction. Compared to stainless steel props, it’s more affordable, easier to maintain, and provides excellent thrust for heavy loads without overstraining your motor.

Its wide-blade design makes it ideal for moving big boats efficiently, providing the grip and control you need at lower speeds. If you’re running a large cruiser or a pontoon that needs extra muscle, this prop is the right match. It’s a real-world performer — not built for bragging rights, but for boaters who care about smooth, reliable power that gets the job done trip after trip.

FAQ Section

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

It’s built for MerCruiser engines with Bravo Two drives, offering exceptional control and thrust for larger boats that need steady, torque-driven performance.

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

The Bravo Two version features oversized blades that generate maximum thrust and lift, delivering smoother handling and better efficiency on heavy hulls compared to standard props.

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

If you’re running a Bravo Two drive and want strong low-end power with smooth cruising, the 17.75" x 21" pitch is a great fit. Always confirm your prop specifications in your engine’s manual.

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

Yes. Its durable black finish protects against corrosion in both environments. A quick rinse after saltwater runs keeps it looking sharp and running smoothly.

Q5: What hub system does it use?

It comes equipped with the Flo-Torq I rubber hub (Part Number 43636T), designed to absorb shock, reduce vibration, and ensure quieter, smoother operation.