Mercury – Black Max 3-Blade Aluminum Propeller | 16" Diameter x 12" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | Phantom Black Finish | 16436A45

Overview

There’s a reason you see Mercury’s Black Max propellers on so many transoms — they just work. The Mercury Black Max 3-Blade Aluminum Propeller (Part Number 16436A45) is one of those dependable choices that becomes second nature after a few runs. It’s the kind of prop you trust to get you out of the hole quickly, cruise steady, and keep you smiling when the water gets a little choppy. Built for boaters who want reliable performance without overthinking it, this prop feels like that solid handshake between your engine and the water.

Key Features

• Diameter and Pitch: 16" x 12"
• Rotation: Right-Hand
• Blade Count: 3
• Material: Patented Mercalloy Aluminum Alloy
• Finish: Mercury Phantom Black Gloss Enamel
• Hub System: Flo-Torq II Hub Kit (Part Number 835257K1) included
• Design Details: Built with Mercury’s Mercalloy aluminum for strength and flexibility, balancing performance with impact resistance to handle those small bumps and surprises beneath the surface.

Engine & Boat Compatibility

• Fits Mercury and Mariner 90–115 HP FourStroke Command Thrust outboards
• Works with Mercury 135–300 HP TwoStroke and FourStroke outboards
• Compatible with MerCruiser Alpha One and Bravo One sterndrives
• Performs well on runabouts, pontoons, deck boats, and light fishing boats — perfect for versatile setups that see a little bit of everything on the water.

Performance Benefits

The first thing you’ll notice is how quickly this prop grabs water. From a standstill, it delivers that satisfying “push” you can feel through the hull, getting you up and running without hesitation. Once you’re cruising, it holds speed smoothly, cutting through wakes and corners with a confident, predictable bite. There’s no harsh vibration or chatter — just clean, steady thrust that makes the ride feel balanced.

That’s the beauty of the Mercalloy design. It’s tough but forgiving, meaning you don’t have to baby it when things get a little shallow or debris sneaks up on you. The Flo-Torq II Hub System is your built-in insurance — it cushions the drivetrain, absorbing much of the shock if you do make contact. Less worry, more throttle. Whether you’re exploring open water or heading back to the dock at dusk, this prop keeps your setup feeling tight and reliable.

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

If you’re looking for a prop that checks every box — reliable, affordable, and built to last — the Black Max 16436A45 fits the bill. It’s Mercury OEM quality, designed with decades of engineering and real-world testing behind it. You’ll get performance that rivals stainless props for a fraction of the price, plus the easy maintenance and light weight of aluminum. It’s a workhorse that suits multiple engines and boat types, making it an ideal spare or your go-to setup for the long haul.

Boaters love this prop because it’s honest. No flash, no fuss — just dependable power when you need it most. That’s the kind of value that earns a permanent spot in your gear lineup.

FAQ

Q1: Which Mercury engines does the Black Max 16436A45 fit?
It’s compatible with Mercury and Mariner FourStroke Command Thrust outboards from 90 to 115 horsepower, larger Mercury TwoStroke and FourStroke engines from 135 to 300 horsepower, and MerCruiser Alpha One and Bravo One sterndrives.

Q2: What makes this propeller different from other Mercury options?
The Black Max offers the best balance of cost, strength, and reliability. It uses Mercury’s patented Mercalloy aluminum, giving you durability and flexibility in one prop — something not every aluminum prop can claim.

Q3: How do I know if this pitch or size is right for my boat?
The 16" diameter and 12" pitch are a strong choice for boats that need quick acceleration and strong lift — especially if you’re running with heavier loads or passengers. It’s perfect for getting on plane fast and staying steady at cruising speeds.

Q4: Can this prop be used in both saltwater and freshwater?
Yes. The Phantom Black glossy enamel finish resists corrosion beautifully, making it suitable for both environments. Just give it a good rinse after saltwater runs.

Q5: What hub system does it use?
It includes Mercury’s Flo-Torq II Hub Kit (835257K1), which cushions impact and helps protect your drivetrain from minor damage, extending the life of your gear.