Mercury Prop 18R33 21 DEG – 48-8M0017096

The Mercury Prop 18R33 21 DEG (Part #48-8M0017096) is a high-performance stainless steel propeller built to deliver maximum thrust and top-end speed for Mercury engines. With an 18-inch diameter, 21-degree pitch, and right-hand rotation, this prop is designed for serious boaters who demand acceleration, lift, and cornering precision in demanding conditions.

Key Features

Genuine OEM Part by Mercury Marine – Engineered for seamless fit and dependable performance

18" Diameter, 21° Pitch – Optimized for speed, lift, and top-tier handling

Right-Hand Rotation (R33) – Suitable for single-engine applications or paired with a left-hand prop

Rugged Stainless Steel Design – Withstands corrosion and heavy-duty marine environments

Aggressive Blade Geometry – Maximizes planing and control, especially at higher RPMs

Compatibility

The Mercury Prop 18R33 21 DEG – 48-8M0017096 is compatible with many mid- to high-horsepower Mercury outboards and MerCruiser sterndrive models using a 15-spline right-hand rotation hub. Always confirm compatibility using your engine’s serial number or consult with a PartsVu expert before purchase.

Ideal Use Cases

High-performance recreational boating and offshore fishing

V-bottom hulls or performance boats seeking added lift and speed

Operators upgrading from aluminum props to enhance durability and responsiveness

Applications needing right-hand rotation for single-prop or twin-prop setups

Why Stainless Steel Props Make a Difference

Choosing the right propeller is critical to your boat’s acceleration, fuel economy, and handling. The Mercury Prop 18R33 21 DEG – 48-8M0017096 offers a rugged, corrosion-resistant build and optimized blade angles for better hole shot, efficient cruising, and precise control in rough or shallow waters.

Frequently Asked Questions

What does the 21-degree pitch affect on this propeller?

The 21° pitch helps your boat reach higher top speeds, making it ideal for performance-focused applications.

Is the Mercury Prop 18R33 21 DEG good for saltwater?

Absolutely. Its stainless steel design resists rust and corrosion, even in harsh saltwater environments.

How can I confirm that this propeller will fit my Mercury engine?

Use your engine’s serial number or refer to your current prop’s specs to match diameter, pitch, and spline count. You can also contact PartsVu for personalized help.