"Raymarine Type 3 Pump 24volt Brand New Includes Two Year Warranty, The Raymarine M81124 Type 3 Hydraulic Pump (24 volt) operates the boat's steering mechanism as a part of the autopilot system
It contains a precision gear pump and a check valve driven by a servo motor. This hydraulic drive is compatible with 400 series corepacks . The M81124 is designed for boats with existing hydraulic steering systems. It is used with steering systems equipped with 21-30.5 cubic inch (350cc 500cc) hydraulic steering rams. M81124 Features: Type 3 Hydraulic Pump (24 Volt), Part Number: M81124, Precision Gear Pump, For Raymarine Models: 400 Series Autopilot Systems"