SKU:
Osculati-52.478.05
$ 107,04
1-2 weeks delivery time
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The Osculati 52.478.05 – Polastorm Propeller is a 3-blade aluminum propeller with Ø10 1/4" × 13" dimensions and a 14-spline hub designed for 3" gearcases. It replaces OEM part 778863 and is compatible with Evinrude 15–35 HP and Selva 20–45 HP 2-stroke outboards. Optimized for high-speed cruising and fuel efficiency on light boats or under low load.
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Osculati 52.478.05 – Polastorm Propeller Ø10 1/4 x 13 (14T) for Evinrude 15–35 HP & Selva 20–45 HP 778863
Polastorm's Osculati 52.478.05 is the highest-pitch option in its class for small Evinrude and Selva outboards, making it ideal for boats that prioritize cruising speed and fuel economy. With a diameter of 10 1/4" and a 13" pitch, this 3-blade propeller is designed to replace OEM part number 778863. It features a 14-spline hub and is compatible with 3" gearcases typically used on compact 2-stroke motors from 15 to 45 HP.
Key Features:
- OEM replacement for part number 778863
- Ø10 1/4" × 13" – highest pitch in the series for improved speed
- 14-spline hub compatible with 3" gearcases
- Durable marine-grade aluminum with anti-corrosion finish
- Precision-balanced for smooth, vibration-free operation
Technical Specifications:
Parameter Value Osculati Code 52.478.05 OEM Reference 778863 Brand Polastorm Number of Blades 3 Diameter × Pitch 10 1/4" × 13" Gearcase Hub Diameter 3" Spline Count 14 teeth Material Marine-grade aluminum Engine Compatibility Evinrude 15–35 HP, Selva 20–45 HP (2-stroke) Rotation Right-hand
Compatible Outboard Models:
- Evinrude: 15 HP, 20 HP, 25 HP, 30 HP, 35 HP (2-stroke)
- Selva: 20 HP, 25 HP, 30 HP, 40 HP, 45 HP (2-stroke)
Applications:
- Boats needing better cruising speed at reduced RPM
- Light loads, planing hulls, or minimal resistance craft
- OEM-grade replacement for propeller 778863
Documents
Osculati Catalogue 2025 - page 1042 Size: 111,1 Kb -
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