The Rolls-Royce 6679818-D Multi-way Hydraulic Valve Spool Assembly is a highly specialized, genuine OEM component engineered specifically for Rolls-Royce Controllable Pitch Propeller (CPP) systems. Designed to deliver precise hydraulic fluid regulation, this assembly features a precision-machined steel spool equipped with multiple control lands, circumferential oil grooves, and cross-drilled ports. An integrated spring section ensures reliable and responsive pitch control under demanding marine conditions. Manufactured to exact specifications (reference LOKOMEC 39567701 / 25P ja 25R ASENNELMA), this valve spool assembly is essential for maintaining the operational efficiency and maneuverability of marine vessels. To ensure optimal condition upon delivery, the part is supplied in sealed VCI (Volatile Corrosion Inhibitor) protective packaging, safeguarding it against rust and corrosion during transit and storage.