Volvo IPS PS4 Rear Propeller 23427184

Volvo Penta IPS PS4 Rear Propeller 23427184 | IPS-2, IPS-20 DuoProp

The Volvo IPS PS4 Rear Propeller 23427184 is a genuine OEM NiBrAl (nickel-aluminum-bronze) 4-blade propeller engineered for Volvo Penta IPS pod drive systems. As the aft propeller in the IPS contra-rotating configuration, it converts the conditioned water flow from the front propeller into efficient thrust, enhancing fuel economy and overall propulsion performance. The PS-series is optimized for higher-speed, performance-oriented vessels, delivering strong acceleration, improved grip, and stable handling. Its precision-balanced 4-blade design reduces vibration and slip, while the NiBrAl alloy ensures exceptional durability, corrosion resistance, and long service life in demanding marine environments.

Genuine OEM Volvo Penta Type PS4 series NiBral Propellers. Available sets include, P1, P2, P3, P4, P5, P6 ,P7, P8, PS4, PS5.

Key Technical Details

• Application: Volvo Penta IPS Type P (IPS-2 / IPS-20 pod drives)
• Position: Rear propeller (counter-rotating set)
• Blade Count: 4-blade rear (paired with 3-front)
• Material: NiBral (Nickel-Aluminum-Bronze)
• Rotation: Typically RH (rear position standard)
• OEM Reference: Replaces older part 21622823