Propeller 10 3/8 X 13 Pitch Right Hand 13 Spline For Mercury Mariner Outboard Motors 25-70 HP Aluminum 3 Blade Prop With Hub Nut Kit 3-1/4 Inch Gearcase Durable Performance

10-3/8 x 13 Aluminum 3-Blade Propeller with Hub Nut Kit
✔️ Diameter 10-3/8 in, Pitch 13 in, 13-Spline, RH, 3-Blade (Single Pack)

Propeller designed for Mercury and Mariner outboard motors in the 25-75 HP range. This three-blade aluminum prop delivers steady midrange response and improved acceleration on small to mid-size boats.

✅ Diameter: 10-3/8 in (264 mm)
✅ Pitch: 13 in (330 mm)
✅ Spline/Rotation: 13-tooth, Right-Hand
✅ Gearcase: 3-1/4 in (82.6 mm); hub kit included

💡 What is a good propeller size for 25-75 HP Mercury/Mariner outboards?

Here's a concise guide to selecting the right prop for common small outboards. - Propeller diameter and pitch affect engine RPM and boat speed - 13-spline RH rotation matches Mercury/Mariner outboards in this HP range - Aluminum 3-blade design balances durability and weight - Hub kit included ensures quick installation on a 3-1/4 in gearcase