SKU:
Osculati-52.447.08
$ 243,02
1-2 weeks delivery time
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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.
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Osculati 52.447.08 – Polastorm Propeller Ø12 3/4 x 21 (15 Teeth) for Mercury 40–125 HP
The Polastorm aluminum propeller Ø12 3/4 x 21, offered under Osculati code 52.447.08, is a robust and performance-tuned solution designed for Mercury outboards from 40 to 125 horsepower. With a 15-spline hub and aggressive 21" pitch, this propeller favors speed and fuel efficiency for planing hulls and fast cruisers.
Main Features:
- Diameter: 12 3/4 inches (Ø324 mm)
- Pitch: 21 inches – optimized for higher speed applications
- Hub: 15 teeth, compatible with Mercury prop shafts
- Material: High-density, anti-cavitation marine aluminum
- Designed for Mercury Bigfoot, EFI PRO, and 75–125 HP 2-stroke / 4-stroke outboards
- Direct OEM replacement for Mercury hub 48-77348A45
- Corrosion-resistant finish for saltwater environments
Technical Specifications:
Osculati Code 52.447.08 Brand Polastorm Propeller Diameter 12 3/4" Pitch 21" No. of Splines 15 Material Marine-grade aluminum Compatible Engine HP 40–60 Bigfoot (4-stroke), F40 EFI PRO NEW, 75–125 HP (2-stroke and 4-stroke) OEM Equivalent 48-77348A45
This propeller is ideal for applications where increased speed and sustained cruising performance are prioritized. Built with durability in mind, the Polastorm Ø12 3/4 x 21 model ensures precise fitment, excellent thrust, and smooth handling across a wide RPM range.
Documents
Osculati Catalogue 2025 - page 1040 Size: 231,3 Kb -
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