High-Performance Inboard Starter with Gear Reduction & Permanent Magnet - Clockwise RotationThe inboard starter includes a wiring harness to replace the conventional starter.ARCO advises using a fully charged battery - A weak battery can damage the starter and starter solenoid.  And to also clean all connections - A corroded connection creates resistance, lowering the amperage required for an efficient starting circuit.Features:Dynamically tested and packaged for out-of-the-box performanceNickel-coated and/or epoxy-painted to reduce corrosion Sealed to minimize water intrusionDesigned for long life and optimum performanceArmatures are tested to withstand 50 times operating voltages (12 volts)Replaces:BRP/ OMC 981821BRP/ OMC 987969MERCURY 50-56886PLEASURECRAFT RA122001VOLVO 835635-4VOLVO 841066-4SIERRA 18-5903SIERRA 18-5914SIERRA 18-5923WILL ALSO REPLACE ARCO 70100 AND 70110*ARCO Assurance 12-month part and labor warranty protection