Mercury – Verado12 Front Propeller | 33" Pitch | Left-Hand | 4-Blade | Stainless Steel | Polished | 8M0166991

Overview

When you are piloting a powerful V12 setup, you can feel when the prop is in sync — everything feels balanced, calm, and efficient. The Mercury Verado12 Front 4-Blade Stainless Steel Propeller (part number 8M0166991) captures that sweet spot between strength and smoothness. It digs in, lifts the boat evenly, and keeps it steady at speed, all while running whisper-quiet. You’ll know it’s right because you won’t have to think about it — it just works.

Key Features

• Diameter & Pitch: 33-inch pitch for exceptional cruise performance and range
• Rotation: Left-Hand, front prop in Mercury’s contra-rotating setup
• Blade Count: Four blades for grip, lift, and smooth control
• Material: Premium stainless steel
• Finish: Polished for corrosion protection and clean water flow
• Hub System: Compatible with Flo-Torq X and Flo-Torq X HD
• Design Details: PVS (Performance Vent System) allows custom tuning for hole shot and acceleration

Engine & Boat Compatibility

• Mercury Outboards: V12 600 horsepower Verado, 500 horsepower SeaPro
• Sterndrive Applications: Not applicable — for outboard use only
• Boat Types: Large cruisers, luxury yachts, and performance offshore boats

Performance Benefits

The 33" pitch brings powerful, poised performance to bigger boats that crave efficient range and stable handling. The four-blade front prop grips clean water and transfers power smoothly to the rear prop, minimizing slip and boosting midrange fuel economy. With the PVS system, you can fine-tune acceleration for your load and style — quick off the mark or relaxed on cruise. The feel is refined, balanced, and effortless.

Why this prop is a strong choice vs. alternatives?

• Mercury OEM quality — Crafted for the V12 platform with exacting precision
• Reliable and easy to maintain — Stainless build endures seasons of hard use
• Cost-effective vs. stainless — Superior performance and life expectancy
• Versatile fit across multiple setups — Perfect for high-end, long-range vessels
• Custom tuning — PVS lets you dial in hole shot to your exact needs

FAQ

Q1: Which Mercury engines does 8M0166991 fit?

It’s designed for the Mercury V12 600 horsepower Verado and 500 horsepower SeaPro.

Q2: What makes it different from other props?

It’s the front prop in a contra-rotating system with adjustable venting for personalized performance.

Q3: How do I know if 33" pitch is right for me?

Choose 33" when you’re running a large, fast hull that prioritizes speed and fuel efficiency.

Q4: Can it be used in saltwater and freshwater?

Yes — the stainless finish protects against corrosion in both.

Q5: What hub system does it use?

Flo-Torq X or Flo-Torq X HD, depending on your drive setup.