High-Performance Inboard Starter with 14" Flywheel & Gear ReductionThe inboard starter that will fit Mercruiser, Volvo Penta, OMC, Marine Power, and others. Will replace 9 tooth drive OEM versions 3.0 - 8.1L with 14" flywheel. Anodized casting, nickel-plated brush holder (OEM mounting bolts included).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 Inboard Starter 984456BRP/ OMC Inboard Starter 986505BRP/ OMC Inboard Starter 3850525BRP/ OMC Inboard Starter 3853982BRP/ OMC Inboard Starter 3854751BRP/ OMC Inboard Starter 3855177BRP/ OMC Inboard Starter 3857747BRP/ OMC Inboard Starter 3860566DELCO Inboard Starter 9000735DELCO Inboard Starter 9000762DELCO Inboard Starter 9000768DELCO Inboard Starter 9000789DELCO Inboard Starter 9000819DELCO Inboard Starter 9000821DELCO Inboard Starter 9000839DELCO Inboard Starter 9000840DELCO Inboard Starter 9000849DELCO Inboard Starter 9000885DELCO Inboard Starter 9000940DELCO Inboard Starter 9000884 (Hi-Perf)MARINE POWER Inboard Starter 0174-000MERCURY Inboard Starter 50-12121A2MERCURY Inboard Starter 50-12177A2MERCURY Inboard Starter 50-806964A2MERCURY Inboard Starter 50-806964A3MERCURY Inboard Starter 50-806964A4MERCURY Inboard Starter 50-812428A3MERCURY Inboard Starter 50-812604A2MERCURY Inboard Starter 50-822330A2MERCURY Inboard Starter 50-864340A2MERCURY Inboard Starter 50-8M8021116MERCURY Inboard Starter 50-99418A2SIERRA Inboard Starter 18-5905SIERRA Inboard Starter 18-5910SIERRA Inboard Starter 18-5913SIERRA Inboard Starter 18-6946SIERRA Inboard Starter 18-6275-1SIERRA Inboard Starter 18-5913-1VOLVO Inboard Starter 3587625VOLVO Inboard Starter 3857747VOLVO Inboard Starter 3860566VOLVO Inboard Starter 3860764VOLVO Inboard Starter 3885317VOLVO Inboard Starter 3850525-1VOLVO Inboard Starter 3853982-1VOLVO Inboard Starter 3854751-9VOLVO Inboard Starter 3855177-6VOLVO Inboard Starter 3856004-1*ARCO Assurance 12-month part and labor warranty protection