Gear Set Lower Unit 2.0 Ratio for Mercury Mariner V6 150 175 200 HP

Complete Lower Gear housing Gear Set for a Mercury, Mariner Outboard. It contains the Forward, Pinion, & Reverse Gears, Forward Gear Bearing, Pinion Nut, and Shim sets. It will fit the following applications: V6 150 HP Standard Rotation, Serial # 6616991 - 0A904645 (1985); V6 175 HP Standard Rotation Serial # 5393737 - 668750 (1980-81); V6 200 HP Standard Rotation, Serial # 5393737 - 60073191 (1980-81).