SKU:
Osculati-52.448.05
$ 266,14
1-2 weeks delivery time
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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.
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Osculati 52.448.05 – Polastorm Propeller Ø15 1/4 x 15 (15 Teeth) for Mercury 135–400 HP, MerCruiser Alpha/Bravo
The Polastorm Ø15 1/4 x 15 propeller (Osculati code 52.448.05) is built to meet the power demands of Mercury outboards from 135 to 400 HP and MerCruiser sterndrives including Alpha One and Bravo One. It offers a balanced setup for both acceleration and sustained speed, making it ideal for mixed-use boats such as fishing vessels, cruisers, and sportboats.
Main Features:
- Diameter: 15 1/4 inches (Ø387 mm) – excellent balance of torque and speed
- Pitch: 15 inches – ideal for mid-range RPM performance
- Hub: 15-spline configuration for secure and stable mounting
- Material: Marine-grade aluminum with anti-corrosion coating
- Replaces OEM Mercury part 48-78116A45
- Compatible with both 2-stroke and 4-stroke engines
- Suitable for MerCruiser Alpha One and Bravo One sterndrive units
Technical Specifications:
Osculati Code 52.448.05 Brand Polastorm Propeller Diameter 15 1/4" Pitch 15" No. of Splines 15 Material High-strength marine aluminum Compatible Engine HP 135–150–175–200–225–250–300–400 HP (2-stroke / 4-stroke), MerCruiser Alpha One, Bravo One OEM Equivalent 48-78116A45
This propeller is an ideal all-around performer for Mercury high-power setups. Whether you prioritize holeshot, load handling, or consistent mid-speed cruising, the Polastorm Ø15 1/4 x 15 offers a reliable and economical replacement with OEM-level precision.
Documents
Osculati Catalogue 2025 - page 1040 Size: 231,3 Kb -
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