Volvo IPS QS4 Set 21821364

Volvo Penta IPS QS4 Prop Set 21821364 | IPS-3, IPS-30 DuoProp

The Volvo Penta IPS QS4 Propeller Set 21821364 is a genuine OEM DuoProp configuration engineered for IPS 3 and IPS 30 pod drive systems with D13 engines. Manufactured from high-strength NiBral (nickel-aluminum-bronze), this matched counter-rotating set features a 3-blade front and 4-blade rear design for optimal durability, efficiency, and smooth operation. The QS-series is specifically designed for semi-planing vessels with moderate top speeds, offering excellent fuel efficiency, onboard comfort, and maneuverability. Positioned alongside the Q-series, the QS4 provides a refined balance of load capacity and performance, making it ideal for applications where smooth mid-range operation and consistent thrust are critical.

Genuine OEM Volvo Penta Type QS4 series NiBral Propellers. Available sets include, Q1, Q2, Q3, Q4, Q5, Q6, Q7 ,Q8, QS4, QS5.

Core Specifications

• OEM Part #: 21821364
• Series: Type Q (IPS propulsion)
• Drive Compatibility: IPS-3 and IPS-30
• Engine Pairing: Volvo D13 platforms
• Material: NiBral (Nickel-Aluminum-Bronze)
• Configuration: Front: 3-blade Rear: 4-blade
• Rotation: Counter-rotating DuoProp (forward-facing)