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.
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1-2 weeks delivery time The Osculati 52.436.02 – Polastorm Propeller Ø14 1/2 x 17 is a 3-blade aluminum propeller made for Yamaha 150–300 HP and Selva 150–250 HP outboards with a 4 3/4" gearcase and 15-spline hub. With its 14 1/2" diameter and 17" pitch, this propeller delivers an ideal mix of acceleration and cruising efficiency, making it suitable for versatile performance on mid-to-large-sized boats. It replaces Yamaha OEM part 6G5-45947-01-98.
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$ 266,14
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1-2 weeks delivery time The Osculati 52.436.04 – Polastorm Propeller Ø13 3/4 x 21 is a high-pitch 3-blade aluminum propeller engineered for Yamaha 150–300 HP and Selva 150–250 HP outboards with a 4 3/4" gearcase and 15-spline hub. Designed with a 13 3/4" diameter and aggressive 21" pitch, this propeller is optimized for high-speed cruising and reduced engine RPM at planing. It is fully compatible with OEM part 6G5-45945-01-98.
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$ 266,14
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1-2 weeks delivery time The Osculati 52.436.08 – Polastorm Propeller Ø13 3/4 × 21 is a high-pitch, 3-blade aluminum propeller engineered for Yamaha 150–300 HP outboards (2- and 4-stroke) with a 4 3/4″ gearcase and 15-spline hub. Its 13.75″ diameter and 21″ pitch combination maximizes top-end speed and fuel efficiency at cruising RPM, making it ideal for lightweight planing hulls and offshore sport boats. Direct OEM replacement for Yamaha part 6G5-45943-01-98.
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$ 266,14
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1-2 weeks delivery time The Osculati 52.440.01 – Polastorm Propeller Ø7.8 x 7 is a compact 3-blade aluminum propeller designed for small Mercury and Tohatsu outboards from 4 to 6 HP, including older 5 HP 2-stroke models. It features a 7.8" diameter and 7" pitch, optimized for strong low-speed thrust and smooth trolling. The 12-spline hub ensures a secure fit on portable outboards. This propeller replaces Mercury OEM part 48-812949A02 and is ideal for tenders, dinghies, and lightweight inflatables.
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$ 66,53
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1-2 weeks delivery time The Osculati 52.440.02 – Polastorm Propeller Ø9.9 x 10 is a 3-blade aluminum propeller designed for Tohatsu and Mercury outboards rated at 25–30 HP (2-stroke and 4-stroke) using a 3″ gearcase and 10-spline hub. With a 9.9″ diameter and 10″ pitch, it ensures excellent planing power and acceleration on mid-size inflatables, skiffs, and utility boats. It replaces OEM part 3R0B64521-1 and offers a precise fit and balanced performance.
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$ 66,53
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1-2 weeks delivery time The Osculati 52.440.03 – Polastorm Propeller Ø9.9 x 11 is a 3-blade aluminum propeller designed for Mercury and Tohatsu 25–30 HP 2- and 4-stroke outboards with a 3″ gearcase and 10-spline hub. With a 9.9″ diameter and 11″ pitch, this prop offers an optimal combination of strong acceleration and improved cruising speed. Direct OEM replacement for Tohatsu part 3R0B64523-1.
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$ 66,53
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1-2 weeks delivery time The Osculati 52.441.01 – Polastorm Propeller Ø8.5 x 6.5 is a 3-blade aluminum propeller designed for Mercury 8–9.9 HP 4-stroke outboards with a 12-spline hub. Featuring a small 8.5" diameter and ultra-low 6.5" pitch, it provides maximum thrust and control at low speeds—ideal for trolling, tender duty, and heavily loaded small boats. Direct replacement for OEM part number 48-897610A10.
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$ 78,10
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1-2 weeks delivery time The Osculati 52.441.03 – Polastorm Propeller Ø8.5 x 7.5 is a 3-blade aluminum propeller optimized for Mercury and Evinrude 2-stroke and 4-stroke engines in the 6–9.8 HP range, including Evinrude 9.8 HP models. Featuring a 2 1/2″ gearcase and 12-spline hub, this prop offers excellent control, smooth thrust, and strong low-speed performance on small boats. It replaces Mercury OEM part 48-897614A10 and Evinrude 3B2B64515-1.
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$ 78,10
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1-2 weeks delivery time The Osculati 52.441.04 – Polastorm Propeller Ø8.9 x 8.5 is a compact, 3-blade aluminum propeller designed for Mercury and Evinrude outboards from 6 to 9.8 HP (2- and 4-stroke), including popular 9.8 HP models. With a 2 1/2″ gearcase and 12-spline hub, this prop offers a well-balanced combination of low-speed thrust and cruising efficiency. Direct replacement for Mercury OEM 48-897618A10 and Evinrude 3B2B64517-1.
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$ 78,10
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1-2 weeks delivery time The Osculati 52.443.01 – Polastorm Propeller Ø9 1/4 x 9 is a 3-blade aluminum propeller optimized for Mercury 15–20 HP and Evinrude 9.9 / 15 HP outboards, both 2-stroke and 4-stroke. Featuring a 2 1/2″ gearcase and 14-spline hub, it offers excellent thrust, maneuverability, and smooth performance on mid-sized tenders, fishing boats, and skiffs. Direct replacement for Mercury OEM 48-897748A11 and Evinrude 763458.
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$ 89,68
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1-2 weeks delivery time The Osculati 52.443.02 – Polastorm Propeller Ø9 1/4 x 10 is a 3-blade aluminum propeller designed for Mercury 15–20 HP and Evinrude 8 HP outboards. Featuring a 14-spline hub and 2 1/2″ gearcase compatibility, this prop delivers improved cruising performance with its 10″ pitch, while maintaining reliable acceleration and handling. It replaces Mercury OEM 48-897750A11 and Evinrude 778772, making it an excellent option for light-duty boats and small fishing craft.
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$ 89,68
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1-2 weeks delivery time The Osculati 52.443.03 – Polastorm Propeller Ø9 1/4 x 11 is a 3-blade aluminum propeller designed for Mercury 15–20 HP and Evinrude 9.5 / 15 HP outboards, both 2-stroke and 4-stroke. With a 14-spline hub and 2 1/2″ gearcase compatibility, its 11″ pitch is ideal for achieving higher top-end speed while maintaining reliable planing on lightweight vessels. Direct replacement for OEM Mercury 48-897752A11 and Evinrude 778773.
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$ 89,68
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1-2 weeks delivery time The Osculati 52.445.02 – Polastorm Propeller Ø9.9 x 10 is a 3-blade aluminum propeller designed for Mercury 25–30 HP 4-stroke outboards from model year 2007 onward. It features a 10-spline hub and is optimized for 9.9″ diameter and 10″ pitch, providing reliable mid-range performance and smooth acceleration. It is a direct replacement for OEM Mercury part 48-896892A40, suitable for light fishing boats, inflatables, and small workboats.
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$ 107,04
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1-2 weeks delivery time The Osculati 52.445.03 – Polastorm Propeller Ø9.9 x 11 is a 3-blade aluminum propeller designed for Mercury 25–30 HP 4-stroke engines manufactured from 2007 onward. With a 10-spline hub and a 9.9″ diameter, this propeller’s 11″ pitch delivers higher cruising speeds and reduced engine RPM at mid-throttle, making it ideal for planing hulls and efficient fuel usage. It replaces Mercury OEM part 48-896896A40.
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$ 107,04
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1-2 weeks delivery time The Osculati 52.445.04 – Polastorm Propeller Ø9.9 x 12 is a high-pitch 3-blade aluminum propeller designed for Mercury 25–30 HP 4-stroke engines from 2007 onward. Featuring a 10-spline hub and 12″ pitch, this model is optimized for light boats and applications requiring maximum cruise efficiency and reduced RPM at higher speeds. Fully interchangeable with Mercury OEM part 48-896900A40.
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$ 107,04
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1-2 weeks delivery time The Osculati 52.445.05 – Polastorm Propeller Ø9.9 x 13 is a 3-blade aluminum high-pitch propeller developed for Mercury 25–30 HP 4-stroke engines from 2007 onwards. With a 13″ pitch and 10-spline hub, it is optimized for lightweight boats and fuel-efficient high-speed cruising. This model is ideal for maximizing travel range at reduced engine RPM. Directly replaces OEM Mercury propellers for this class.
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$ 107,04
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1-2 weeks delivery time The Osculati 52.446.02 – Polastorm Propeller Ø11 1/4 x 10 is a 3-blade aluminum propeller specifically designed for Mercury 40–60 HP 2-stroke and 25–60 HP 4-stroke outboards with 13-spline hubs. With its large 11 1/4″ diameter and low 10″ pitch, this model offers strong low-end thrust and fast planing for heavier boats or towing applications. It directly replaces Mercury OEM part 48-73132A45.
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$ 173,59
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1-2 weeks delivery time The Osculati 52.446.03 – Polastorm Propeller Ø10 7/8 x 11 is a 3-blade aluminum propeller designed for Mercury 40–60 HP 2-stroke and 25–60 HP 4-stroke outboards with a 13-spline hub. With a diameter of 10 7/8″ and pitch of 11″, this model offers a balance between acceleration and efficient cruising performance, making it ideal for medium-weight boats. It replaces Mercury OEM propeller 48-85632A45.
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$ 173,59
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1-2 weeks delivery time The Osculati 52.446.04 – Polastorm Propeller Ø10 3/4 x 12 is a 3-blade aluminum propeller for Mercury 40–60 HP 2-stroke and 25–60 HP 4-stroke outboards with a 13-spline shaft. Its 10 3/4″ diameter and 12″ pitch provide excellent cruising efficiency and smooth acceleration for general-purpose boating. It is a direct replacement for Mercury OEM part 48-816702A45.
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$ 173,59
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1-2 weeks delivery time The Osculati 52.446.06 – Polastorm Propeller Ø10 1/2 x 13 is a 3-blade aluminum propeller designed for Mercury 40–60 HP 2-stroke and 25–60 HP 4-stroke outboards with a 13-spline hub. With a 10 1/2″ diameter and 13″ pitch, this model is optimized for higher cruising speeds and reduced engine RPM, making it ideal for light to medium-weight boats. It directly replaces Mercury OEM part 48-816704A45.
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$ 173,59
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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.