Mercury – Tempest Plus 3-Blade Stainless Steel Propeller | 14.6" Diameter x 19" Pitch | Right-Hand Rotation | 3-Blade | Stainless Steel | Polished Finish | 8M0151381

Overview

There’s a reason the Mercury Tempest Plus 14.6x19 Right-Hand 3-Blade Stainless Steel Propeller (8M0151381) shows up on so many serious fishing rigs—it’s reliable, fast, and tuned to perform where it matters most. From the first push of the throttle, you can feel its smooth pull and solid grip on the water. It lifts your bow cleanly, carries speed with confidence, and gives you the kind of control that makes every trip a little more fun.

This prop doesn’t just move your boat—it helps it come alive. Whether you’re running wide open across glassy water or easing into a tight channel at day’s end, the Tempest Plus keeps your setup balanced and predictable. It’s built for boaters who love the mix of speed, stability, and precision—those who expect their prop to work as hard as they do.

Key Features

• Diameter and Pitch: 14.6" Diameter x 19" Pitch
• Rotation: Right-Hand Rotation
• Blade Count: 3-Blade Design
• Material: Premium Mercury Stainless Steel
• Finish: Polished Stainless Steel
• Hub System: Requires a Mercury hub kit (sold separately)
• Design Details: Large-diameter, high-lift geometry for excellent bow lift, acceleration, and top-end speed; includes Performance Vent System (PVS) for customizable hole shot tuning

Engine & Boat Compatibility

• Works with Mercury and Mariner 90–115 HP FourStroke Command Thrust Outboards
• Fits Mercury and Mariner 135–300 HP TwoStroke and FourStroke Outboards
• Compatible with MerCruiser Alpha One and Bravo One sterndrives
• Perfect for high-performance bass boats, walleye rigs, and multi-species fishing boats
• Suitable for both freshwater and saltwater applications

Performance Benefits

The Tempest Plus 14.6x19 prop is built to make your boat feel effortless and powerful at the same time. Its large-diameter, three-blade design gives your boat exceptional lift, helping it ride high and fast while improving fuel efficiency. When you hit the throttle, it grabs the water instantly—smooth, sure, and steady—and planes out fast with minimal bow rise.

Once you’re running, the Tempest Plus holds true. The unique blade geometry provides clean, predictable handling even at wide-open throttle. Turns feel precise, and your boat tracks straight through chop without slipping or cavitating. At cruising speeds, it’s steady and efficient, keeping vibration low and comfort high.

Built from premium stainless steel, this prop resists flexing under load, which means consistent performance and durability that lasts season after season. And with Mercury’s Performance Vent System (PVS), you can adjust acceleration characteristics by swapping vent plugs—tuning the hole shot to match your boat, engine, and conditions. It’s the kind of prop that lets you fine-tune your setup for perfect results.

Why is this prop a strong choice vs. alternatives?

• Mercury OEM Engineering: Designed and tested by Mercury’s experts for flawless fit and performance.
• Lift and Speed Combined: Large-diameter blades provide strong lift and top-end efficiency without sacrificing handling.
• Tunable Power: The PVS system lets you control hole shot and acceleration for your exact setup.
• Durability You Can Rely On: Premium stainless steel construction resists flex, corrosion, and long-term wear.
• Versatile and Proven: Performs exceptionally well across multiple hull styles and fishing setups.

FAQ Section

Q1: Which Mercury engines does the Tempest Plus fit?

It fits Mercury and Mariner 90–115 HP FourStroke Command Thrust outboards, 135–300 HP TwoStroke and FourStroke outboards, and MerCruiser Alpha One and Bravo One sterndrives.

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

The Tempest Plus stands out for its mix of speed, lift, and handling. Its high-lift blade geometry and larger diameter give it an edge for big freshwater boats that need acceleration and top-end performance.

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

If your current prop runs near the top of your engine’s RPM range or lacks lift at higher speeds, the 19-pitch Tempest Plus offers a balanced upgrade for efficiency, speed, and stability.

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

Yes. Its premium stainless steel and polished finish provide excellent corrosion resistance in all water conditions.

Q5: What hub system does it use?

It requires a Mercury hub kit (sold separately) to ensure proper fit, quiet operation, and vibration-free performance.