Mercury 43-12635T Reverse Gear for 110-125 HP OutboardsThe Mercury 43-12635T Reverse Gear is a genuine OEM replacement gear for select Mercury and Mariner 110, 115, and 125 HP 2-cylinder outboards. This reverse gear is designed for compatible gearcase applications equipped with a 3 jaw reverse clutch.This gear is used where part number 43-12635T is specified by the Mercury parts diagram. When servicing this gearcase, the pinion/forward gear assembly and seal or seal and bearing kit are also required where specified.Product Features:Genuine OEM Mercury reverse gearFits select Mercury and Mariner 110, 115, and 125 HP 2-cylinder outboardsDesigned for applications with 3 jaw reverse clutchDirect replacement where part number 43-12635T is specifiedUsed during compatible gearcase service or repairBuilt to Mercury Marine OEM fit and performance specificationsProduct Details:Brand: MercuryManufacturer Part Number: 43-12635TPart Type: Reverse GearOEM Description: Gear-ReverseApplication: Select Mercury and Mariner 2-cylinder outboardsClutch Type: 3 jaw reverse clutchSystem: Gearcase / lower unitFits Select Mercury/Mariner Applications:110 HP 2-cylinder outboards, serial number 0B209468 and newer, with 3 jaw reverse clutch115 HP 2-cylinder outboards, serial number 0B209468 and newer, with 3 jaw reverse clutch125 HP 2-cylinder outboards, serial number 0B209468 and newer, with 3 jaw reverse clutchAdditional Required Components:Pinion/forward gear assemblySeal kit or seal and bearing kit where specifiedService Note: Follow your Mercury service manual for gearcase disassembly, gear inspection, clutch compatibility, bearing and seal replacement, shim setup, torque specifications, and reassembly procedures.Fitment Note: Reverse gear fitment should be verified by outboard model, horsepower, serial number, gearcase configuration, clutch type, parts diagram, and existing gear part number before ordering. Please confirm this reverse gear is correct for your Mercury or Mariner 110/115/125 HP 2-cylinder outboard before purchasing.