Mercury – Black Max 3-Blade Aluminum Propeller | 9" Diameter x 9" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | Phantom Black Finish | 828156A12

Overview

There’s something special about a boat that just feels right when you throttle up. The Mercury Black Max 3-Blade Aluminum Propeller (Part Number 828156A12) delivers that feeling every time. It’s the kind of prop that’s earned its reputation the honest way—through years of reliability, performance, and value. Whether you’re easing away from the dock, cutting through a calm morning lake, or cruising toward your favorite fishing spot, it responds with smooth, confident power.

This propeller isn’t about flash—it’s about trust. It’s built to perform consistently and handle whatever the day throws your way. For smaller outboards, it’s hard to find a prop that delivers this much balance between durability, control, and price. Once you run it, you’ll understand why the Black Max remains a boater’s favorite season after season.

Key Features

• Diameter & Pitch: 9" diameter x 9" pitch for steady thrust and responsive handling.
• Rotation: Right-Hand rotation for standard outboard setups.
• Blade Count: 3-Blade design for smooth, balanced performance.
• Material: Mercury’s patented Mercalloy aluminum alloy—strong, light, and flexible enough to absorb minor impacts.
• Finish: Glossy Mercury Phantom Black enamel resists corrosion and adds a sleek, professional look.
• Hub System: Integrated rubber bushing helps absorb vibration and protect the drivetrain from minor shock.
• Design Details: Precision-balanced blades engineered for clean acceleration and reduced cavitation.

Engine & Boat Compatibility

• Fits Mercury and Mariner 6–15 HP TwoStroke outboards
• Fits Mercury 9.9 HP FourStroke (1995–2004) and 15 HP FourStroke (through 2007)
• Compatible with Mercury and Mariner 10–15 HP SeaPro/Marathon outboards
• Ideal for small fishing boats, lightweight runabouts, dinghies, and utility boats

Performance Benefits

The Mercury Black Max 828156A12 propeller delivers a perfect mix of power, control, and reliability for small outboards. It’s designed to get you on plane quickly and keep you there with consistent thrust and stability. Acceleration is crisp and predictable, giving you confidence whether you’re navigating narrow waterways or open flats.

The Mercalloy aluminum construction offers the best of both worlds—lightweight strength with enough flex to handle the occasional bump or debris strike without cracking. Its rubber hub cushions vibration, reducing strain on your gearbox and giving you that quiet, easy-running feel Mercury props are known for.

It’s also forgiving—easy to maintain, affordable to replace, and durable enough to handle long seasons of use. From weekend fishing trips to daily workboat runs, this prop performs like an extension of your engine—reliable, efficient, and built to last.

Why This Product Is a Strong Choice vs. Alternatives

• Mercury OEM quality: Designed and built by Mercury’s own engineers for seamless fit and factory-level precision.
• Reliable and easy to maintain: Straightforward installation and minimal upkeep—perfect for everyday boaters.
• Cost-effective vs. stainless: Delivers solid performance at a fraction of the cost while offering forgiving aluminum flexibility.
• Versatile fit: Compatible with a wide range of Mercury and Mariner small outboards, making it a go-to prop for multiple setups.
  
  

  FAQ Section

  Q1: Which Mercury engines does the Black Max 828156A12 fit?
  It fits Mercury and Mariner 6–15 HP TwoStroke engines, 9.9 HP FourStroke (1995–2004), 15 HP FourStroke (through 2007), and 10–15 HP SeaPro/Marathon outboards.

  Q2: What makes this propeller different from other Mercury options?
  This prop is made from Mercury’s exclusive Mercalloy aluminum, which balances strength with flexibility. The rubber hub absorbs shock and reduces vibration for smoother, quieter operation.

  Q3: How do I know if this pitch or size is right for my boat?
  The 9" pitch is ideal for smaller outboards that need strong low-end thrust and reliable cruising performance. Check your engine’s manual or current prop markings to confirm compatibility.

  Q4: Can this prop be used in both saltwater and freshwater?
  Yes. The Phantom Black enamel finish offers excellent corrosion resistance, keeping it protected in all water environments.

  Q5: What hub system does it use?
  It features an integrated rubber bushing hub that cushions the drivetrain and minimizes wear from vibration or impact.