SKU:
Osculati-52.447.05
$ 243,02
1-2 weeks delivery time
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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.
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Osculati 52.447.05 – Polastorm Propeller Ø13 3/4 x 15 (15 teeth) for Mercury 40–60 HP Bigfoot & 75–125 HP
The Polastorm Propeller (Osculati 52.447.05) is a high-efficiency 3-blade aluminum propeller designed for Mercury large gearcase outboards, including 40–60 HP Bigfoot (4-stroke), F40 EFI PRO NEW, and 75–125 HP 2-stroke and 4-stroke models. With a 13 3/4″ diameter and steep 15″ pitch, this prop is ideal for achieving maximum cruise speed and top-end performance on lighter boats. Replaces OEM Mercury part number 48-77342A45.
Main Features:
- 15″ pitch for higher cruising and top-speed performance
- 13 3/4″ diameter suitable for light-to-medium loads
- Precision-cast aluminum with anti-corrosion coating
- 15-spline hub for Mercury large gearcase compatibility
- Direct OEM replacement: Mercury 48-77342A45
Technical Specifications:
Feature Value Osculati Code 52.447.05 Diameter × Pitch 13 3/4″ × 15″ Number of Blades 3 Hub Type 15-spline Compatible Engine HP Mercury 40–60 HP Bigfoot (4T),
F40 EFI PRO NEW,
75 / 80 / 90 / 100 / 115 / 125 HP (2T / 4T)OEM Reference 48-77342A45
Compatible Engines:
- Mercury Bigfoot 40 / 50 / 60 HP (4-stroke)
- Mercury F40 EFI PRO NEW
- Mercury 75 / 80 / 90 / 100 / 115 / 125 HP (2-stroke and 4-stroke)
Applications:
- Light planing hulls and sport boats
- Boats optimized for high-speed cruising
- Recreational applications requiring fuel-efficient throttle range
Documents
Osculati Catalogue 2025 - page 1040 Size: 231,3 Kb -
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