Outboard Propeller, Upgrade OEM 15 Spline Tooth Aluminum Outboard Boat Propeller Fit Mercury Engines 40-140 HP, 4-1/4" Gearcase, 3-Blade, RH (Right Hand Rotation), OEM Parts No. 48-77346A45

Precise Compatibility: Our three-blade outboard propeller is built for selected Mercury 40–140 HP outboard engines with a 4-1/4 in gearcase and right-hand rotation. It can be used as a direct replacement

Sturdy & Durable: Made from corrosion-resistant aluminum alloy, this boat propeller is suitable for extended use in both freshwater and saltwater conditions. It also remains lightweight to improve rotational efficiency

Powerful Thrust: With a 13 in diameter and 19 in pitch, this outboard boat propeller delivers responsive acceleration and steady power delivery. Suitable for fishing, cruising, and leisure boats, it is versatile, improving fuel economy

Easy Installation: Our boat outboard propeller includes a robust M21 interchangeable hub kit, ensuring a secure connection to the engine drive shaft and simplifying installation