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VOLVO DUOPROP 21808227 N7 SET
Volvo Penta Type N7 Duoprop Propeller Set for IPS-15 Drives. OEM # 21808227
Genuine OEM Volvo Penta Type N series NiBral propellers. Available sets include, N1, N2, N3, N4, N5, N6, N7 ,NS4, NS5.
Specifically developed for IPS with D8 engine to give outstanding efficiency, on-board comfort and maneuverability.
NS series are designed for semi-planing hulls with moderate top speeds. N Series designed for full-planing higher speed hulls.
• Extremely strong and specially developed NiBral (nickel-bronze-aluminum) alloy.
• Minimum growth, excellent durability and corrosion resistance.
• Patented flow deflector minimizes pressure and wear on propeller shaft seals.
• Three-blade front propeller and four-blade rear propeller.
Volvo Penta IPS Twin Counter-Rotating Propellers face forward.
3-Blade Front Propeller
4-Blade Rear Propeller
The Nibral (nickel-aluminum-bronze) propeller alloy is developed to add to the revolutionary Volvo IPS propulsion system's outstanding performance. The design combined with a material that withstands stress & corrosion, as well as minimizing growth, ensure optimum performance and outstanding maneuverability.
Installation Hardware:
21815881 Propeller cone
963699 Hex socket screw
21815875 Propeller nut, front
21816205 Felt washer
21913550 Line cutter
21815872 Propeller nut, rear
21808200 Flow deflector








