Lower Unit Drain Plug Seal Gasket – Fits Mercury/MerCruiser Outboard/Sterndrive (Replaces 12-19183-3, 12-19183Q02, 12-19183K02) 160HP This thermostat opens at 60°C

This thermostat opens at 60°C (140°F)

including OMC 984461 and 984744

Drain the old oil from your lower unit by removing both the upper and lower drain plugs

10-24074-71

Lower Unit Drain Plug Seal Gasket – Fits Mercury/MerCruiser Outboard/Sterndrive (Replaces 12-19183-3, 12-19183Q02, 12-19183K02) 160HP This thermostat opens at 60°CProduct Details This Lower Unit Drain Plug Seal Gasket is engineered for a precise fit on Mercury MerCruiser outboard and sterndrive engines that use 3 8 16 drain or fill screws in the gearcase. It covers a wide range of models and years, providing a reliable seal to prevent gear oil leakage. This part is a direct replacement for multiple OEM and aftermarket part numbers, including Mercury 12 19183 3, 12 19183Q02, and 12 19183K02; Sierra 18 2244 and