An outboard propeller is a key component of a boat's propulsion system, connecting the engine's power to the water for efficient movement. Made from durable materials like aluminum, it provides reliable performance across various marine conditions.
1-2 weeks delivery time The Osculati 52.446.08 – Polastorm Propeller Ø10 3/8 x 14 is a 3-blade aluminum propeller designed for Mercury 40–60 HP 2-stroke and 25–60 HP 4-stroke outboards with 13-spline shafts. With a 10 3/8″ diameter and steep 14″ pitch, it is tailored for high-speed cruising on lightweight boats. This model replaces Mercury OEM part 48-816706A45 and is ideal for planing hulls operating at mid-to-high throttle ranges.
|
$ 173,59
-
+
|
1-2 weeks delivery time The Osculati 52.447.03 – Polastorm Propeller Ø14 x 11 is a heavy-duty 3-blade aluminum propeller designed for Mercury Bigfoot 40–60 HP (4-stroke), F40 EFI PRO NEW, and standard Mercury 75–125 HP (2- and 4-stroke) engines with a 15-spline hub. With its large 14″ diameter and low 11″ pitch, it provides excellent thrust, fast planing, and reliable handling for heavier boats or workboats. Direct replacement for Mercury OEM 48-77338A45.
|
$ 243,02
-
+
|
1-2 weeks delivery time The Osculati 52.447.04 – Polastorm Propeller Ø14 x 13 is a 3-blade aluminum propeller optimized for Mercury 40–60 HP Bigfoot (4-stroke), F40 EFI PRO NEW, and standard 75–125 HP (2- and 4-stroke) engines with a 15-spline hub. Its 14″ diameter and 13″ pitch offer a balanced combination of acceleration and cruising speed, making it ideal for general-purpose boating. It replaces Mercury OEM 48-77340A45.
|
$ 243,02
-
+
|
1-2 weeks delivery time The Osculati 52.447.05 – Polastorm Propeller Ø13 3/4 x 15 is a high-pitch 3-blade aluminum propeller designed for Mercury Bigfoot 40–60 HP (4-stroke), F40 EFI PRO NEW, and standard 75–125 HP (2- and 4-stroke) engines with a 15-spline hub. Featuring a 13 3/4″ diameter and 15″ pitch, this propeller is ideal for lightweight boats seeking efficient cruising speed and top-end performance. It replaces Mercury OEM part 48-77342A45.
|
$ 243,02
-
+
|
1-2 weeks delivery time The Osculati 52.447.06 – Polastorm Propeller Ø13 1/4 x 17 is a high-pitch 3-blade aluminum propeller for Mercury 40–60 HP Bigfoot (4-stroke), F40 EFI PRO NEW, and 75–125 HP 2-/4-stroke engines. Designed with a 13 1/4″ diameter and 17″ pitch, this propeller is ideal for lightweight boats aiming for maximum top-end speed. Compatible with 15-spline shafts and replaces OEM Mercury 48-77344A45.
|
$ 243,02
-
+
|
1-2 weeks delivery time The Osculati 52.447.07 – Polastorm Propeller Ø13 x 19 (15 Teeth) is a high-performance aluminum propeller compatible with Mercury outboards from 40 to 125 HP, including Bigfoot and EFI Pro models. With a 13-inch diameter and 19-inch pitch, and a 15-spline hub, it delivers excellent thrust, acceleration, and fuel efficiency across a wide RPM range. Ideal for both 2-stroke and 4-stroke engines, it's designed for durability and precise fitment on Mercury engines using OEM hub 48-77346A45.
|
$ 243,02
-
+
|
1-2 weeks delivery time The Osculati 52.447.08 – Polastorm Propeller Ø12 3/4 x 21 (15 Teeth) is a high-efficiency aluminum propeller compatible with Mercury outboards from 40 to 125 HP, including Bigfoot and EFI PRO variants. With a diameter of 12 3/4" and a steep 21" pitch, it delivers improved top-end speed while maintaining good fuel economy. Featuring a 15-spline hub, it matches OEM part 48-77348A45, making it a direct-fit replacement for a wide range of Mercury engines.
|
$ 243,02
-
+
|
1-2 weeks delivery time The Osculati 52.448.03 – Polastorm Propeller Ø16 x 13 (12 Teeth) is a heavy-duty aluminum propeller engineered for high-power Mercury outboards from 135 to 400 HP and MerCruiser sterndrives, including Alpha One and Bravo One. With a wide 16" diameter and low 13" pitch, it's optimized for acceleration and load-bearing performance, particularly on larger boats. Featuring a 12-spline hub, it replaces OEM part 48-78114A45.
|
$ 266,14
-
+
|
1-2 weeks delivery time The Osculati 52.448.05 – Polastorm Propeller Ø15 1/4 x 15 (15 Teeth) is a robust aluminum propeller engineered for Mercury 135–400 HP outboards and MerCruiser Alpha/Bravo sterndrives. With a balanced 15 1/4" diameter and medium 15" pitch, this prop delivers a versatile mix of acceleration and cruising speed. Equipped with a 15-spline hub, it matches OEM part 48-78116A45 and is suitable for both performance and utility applications.
|
$ 266,14
-
+
|
1-2 weeks delivery time The Osculati 52.448.07 – Polastorm Propeller Ø15 x 17 (15 Teeth) is a high-quality aluminum replacement propeller compatible with Mercury 135–400 HP outboards and MerCruiser Alpha/Bravo sterndrives. With a 15" diameter and 17" pitch, it offers a balanced performance profile for both acceleration and cruising speed. Its 15-spline hub matches OEM part 48-832828A45 for direct and secure installation.
|
$ 266,14
-
+
|
1-2 weeks delivery time The Osculati 52.448.09 – Polastorm Propeller Ø14 1/2 x 19 (15 Teeth) is a precision-engineered aluminum propeller designed for high-output Mercury 135–400 HP outboards and MerCruiser Alpha/Bravo sterndrives. With a 14 1/2" diameter and 19" pitch, it optimizes cruising speed and efficiency for mid-to-large vessels. The 15-spline hub is fully compatible with Mercury OEM part 48-832830A45, making installation quick and reliable.
|
$ 266,14
-
+
|
1-2 weeks delivery time The Osculati 52.448.11 – Polastorm Propeller Ø14 1/2 x 21 (15 Teeth) is a performance-focused aluminum propeller designed for Mercury 135–400 HP outboards and MerCruiser sterndrives (Alpha One, Bravo One). With a 14 1/2" diameter and steep 21" pitch, this model is ideal for high-speed cruising and efficient RPM management on sport boats and fast cruisers. Fully compatible with OEM hub 48-832832A45.
|
$ 266,14
-
+
|
1-2 weeks delivery time The Osculati 52.448.13 – Polastorm Propeller Ø14 x 23 (15 Teeth) is a high-pitch aluminum propeller tailored for Mercury 135–400 HP outboards and MerCruiser Alpha/Bravo sterndrives. Featuring a 14" diameter and steep 23" pitch, it's ideal for lightweight, high-speed boats seeking maximum efficiency at cruising and top-end RPMs. The 15-spline hub ensures secure compatibility with OEM part 48-832834A45.
|
$ 266,14
-
+
|
1-2 weeks delivery time The Osculati 52.450.01 Polastorm propeller is engineered for Suzuki 4 to 6 HP 4-stroke outboard motors, featuring a Ø7 1/2 x 6" dimension and 10-tooth spline hub. Designed for durability and performance in light-duty marine applications, it ensures optimal thrust and maneuverability for small boats.
|
$ 63,65
-
+
|
1-2 weeks delivery time The Osculati 52.450.02 Polastorm propeller features a Ø7 1/2 x 7" size with a 10-spline hub, designed for Suzuki 4–6 HP 4-stroke outboards. As a performance-oriented upgrade over the 6" pitch version, it provides improved top-end speed and efficient cruising while retaining reliable thrust at lower RPMs. Compatible with OEM reference 58110-91J20-019.
|
$ 63,65
-
+
|
1-2 weeks delivery time The Osculati 52.451.02 Polastorm propeller features a Ø9 1/4 x 8" profile with a 10-tooth spline hub, tailored for Suzuki 8–20 HP and Evinrude 9.9–15 HP outboard engines. It fits a 2 1/2" gearcase and corresponds to OEM reference 58100-90L41-019, providing high thrust at low speeds for better control in small to medium displacement boats.
|
$ 89,68
-
+
|
1-2 weeks delivery time The Osculati 52.451.03 Polastorm propeller features a Ø9 1/4 x 9" dimension and a 10-spline hub, designed for Suzuki 8–20 HP and Evinrude 9.9–15 HP outboard engines. Compatible with 2 1/2" gearcases and OEM part 58100-90L50-019, this model delivers efficient cruising performance with a balance of acceleration and speed for medium-weight boats.
|
$ 89,68
-
+
|
1-2 weeks delivery time The Osculati 52.451.04 Polastorm propeller features a Ø9 1/4 x 10" design with a 10-spline hub, offering compatibility with Suzuki 8–20 HP and Evinrude 9.9–15 HP outboards. With a 2 1/2" gearcase fit and OEM reference 58100-90L60-019, this model is ideal for lightweight boats needing enhanced cruising speed and fuel economy without compromising acceleration.
|
$ 89,68
-
+
|
1-2 weeks delivery time The Osculati 52.451.05 Polastorm propeller offers a Ø9 1/4 x 11" configuration with a 10-spline hub, specifically designed for Suzuki 8–20 HP outboards across both 4-stroke and 2-stroke platforms. Replacing OEM part 58100-89L70-019, it provides efficient mid-to-high-speed cruising for lightweight and medium displacement boats with 2 1/2" gearcases.
|
$ 89,68
-
+
|
1-2 weeks delivery time The Osculati 52.452.02 Polastorm propeller features a Ø10 1/4 x 10" dimension and 10-spline hub, built for Suzuki 20–30 HP and Evinrude 25–30 HP outboards with 3" gearcases. Matching OEM reference 58100-91L40-019, it delivers strong low-end thrust and balanced performance for small to mid-sized boats.
|
$ 107,04
-
+
|
What role does an outboard propeller play in optimizing the performance of a boat engine?
An outboard propeller is crucial for optimizing a boat engine’s performance by translating engine horsepower into efficient movement through the water. The precise selection of a propeller, such as a 3-blade stainless steel model or a premium aluminum outboard option, ensures the perfect balance of speed, acceleration, and cruising power. With considerations like pitch, diameter, and fit for brands like Yamaha or Mercury outboards, the right propeller enhances durability, peak performance, and overall boating experience.
For those using Evinrude outboards, explore our Evinrude Props, designed to deliver optimal thrust and efficiency on the water.
How does the choice of an aluminum propeller impact the performance and durability of marine engines?
Choosing an aluminum propeller significantly impacts the performance and durability of marine engines by offering an ideal balance of strength and precision for a wide range of applications. Series aluminum props are lightweight yet durable, making them a perfect match outboard engines or motors. With advanced blade designs and hub technology, aluminum boat props provide reliable acceleration, smooth rotation, and consistent performance, whether for casual cruising or ski applications.
Explore performance-matched Mercury Propellers to meet your specific engine and waterway needs.
What are the performance differences between boat props designed for low and high hp engines?
Boat propellers designed for low hp engines focus on providing superior acceleration and maneuverability, making them ideal for calm waters and lighter loads. In contrast, props for high hp engines, such as 4-blade or stainless steel options, are engineered for maximum speed and power, perfectly suited for demanding outboard and sterndrive applications. Top Manufacturers offer a wide selection of boat props, including 3-blade and rh designs, to match the performance needs across various marine conditions.
Explore our full range of Suzuki Propellers to find the right fit for your engine power and boating style.