Upgrade Aluminum Outboard Propeller For Mercury Engines 40 140 HP 15 Spline 3 Blade Right Hand Rotation Gearcase 4 Inch Beefy OEM Replacement Boat Prop Direct Fit For Easy Install And Long Lasting Performance
✔️ Pack 1: Direct-fit 3-blade aluminum prop, 4.25 in gearcase RH
This three-blade aluminum propeller is designed as a direct OEM replacement for Mercury engines in the 40-140 HP range. It features corrosion-resistant aluminum alloy for freshwater and saltwater durability, and it remains lightweight to help improve rotational efficiency. The propeller is a handy upgrade for fishing, cruising, and recreational boats, delivering reliable thrust and smooth operation.
✅ 13 in diameter
✅ 19 in pitch
✅ 3-blade design with right-hand rotation
✅ Gearcase compatibility: 4.25 in
✅ Corrosion-resistant aluminum alloy
✅ Includes M21 hub kit for secure shaft connection
✅ Direct OEM replacement
💡 What is a common, practical use case for a 3-blade aluminum outboard prop with a 4.25 in gearcase on Mercury 40-140 HP engines?
This handy prop offers reliable thrust and efficiency for everyday boating.
- Improves rapid planing and acceleration- Maintains stable cruise at mid to high speeds
- Handles freshwater and saltwater exposure without corrosion
- Quick install with M21 hub kit and direct-fit design