SKU:
Osculati-52.448.11
$ 266,14
1-2 weeks delivery time
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The Osculati 52.448.11 – Polastorm Propeller Ø14 1/2 x 21 (15 Teeth) is a performance-focused aluminum propeller designed for Mercury 135–400 HP outboards and MerCruiser sterndrives (Alpha One, Bravo One). With a 14 1/2" diameter and steep 21" pitch, this model is ideal for high-speed cruising and efficient RPM management on sport boats and fast cruisers. Fully compatible with OEM hub 48-832832A45.
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Osculati 52.448.11 – Polastorm Propeller Ø14 1/2 x 21 (15 Teeth) for Mercury 135–400 HP, MerCruiser Alpha/Bravo
The Polastorm Ø14 1/2 x 21 propeller, listed under Osculati code 52.448.11, is purpose-built for speed and high-RPM efficiency. Its high pitch configuration is designed to reduce engine strain at cruising speeds while delivering reliable top-end performance. A perfect match for Mercury outboards from 135 to 400 HP, as well as MerCruiser Alpha and Bravo drives.
Main Features:
- Diameter: 14 1/2 inches (Ø368 mm) – stable and responsive under load
- Pitch: 21 inches – tailored for high-speed applications
- Hub: 15-tooth spline – fits standard Mercury large-hub shafts
- Material: Marine-grade aluminum with corrosion-resistant finish
- Replaces OEM Mercury part 48-832832A45
- Ideal for sport boats, fast cruisers, and efficient fuel usage at high speeds
- Compatible with 2-stroke and 4-stroke outboards and MerCruiser sterndrives
Technical Specifications:
Osculati Code 52.448.11 Brand Polastorm Propeller Diameter 14 1/2" Pitch 21" 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 48-832832A45
Optimized for efficient cruising at higher speeds, the Polastorm Ø14 1/2 x 21 is the ideal choice for boaters looking to reduce fuel consumption without compromising power delivery. It ensures dependable performance on both outboard and sterndrive configurations.
Documents
Osculati Catalogue 2025 - page 1040 Size: 231,3 Kb -
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