VOLVO DUOPROP 21916044 NS4 SET

Volvo Penta Type NS4 Duoprop Propeller Set for IPS-15 Drives. OEM # 21916044

Genuine OEM Volvo Penta Type NS series NiBral propellers. Available sets include, 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.

• 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