Includes all seals, o'rings, bearings and gears for the lower unit. Mercury / Mariner 3.0 liter outboards (Fleetmaster units only) 1.75:1 ratio 12 / 21 tooth count 1999 - 2006 units with 3.265" OD & 1.750" ID forward bearing Double upper driveshaft bearing Non-ratcheting clutch
GEAR REPAIR KIT Fits Mercury Repair Kit 91-216-816K