12 3/4 Inch Aluminum Outboard Propeller 21 Pitch 3 Blade 15 Spline Right Hand Rotation Compatible With Mercury Outboard Engines 40 HP To 140 HP Permanent Hub Washer Included Beefed Up For Smoother Faster Acceleration

12-3/4 Inch Aluminum Outboard Propeller for 40-140 HP, 3-Blade RH
✔️ 12 3/4 inch dia, 21 pitch, 15-spline, RH, 3-blade, washer included

This propeller is designed for Mercury outboard engines in the 40-140 HP range and includes a permanent hub with a washer for secure installation. Upgraded aluminum improves durability and fuel efficiency, while the smooth blade surface reduces water resistance for quicker acceleration and better performance.

✅ 12 3/4 inch diameter x 21 pitch
✅ 15-spline; Right Hand rotation
✅ 3 blades
✅ Aluminum with permanent hub; washer included
✅ OEM-compatible with Mercury outboard engines 40-140 HP
✅ Designed for smoother acceleration and better efficiency

💡 What is an outboard propeller used for and how do you pick the right one? Outboard propellers convert engine power into thrust to move the boat. A handy guide:

- Determine diameter and pitch to match engine HP and boat weight - Choose RH rotation to fit engine setup - Consider hub design and material for durability and efficiency