Drain Screw Gasket for Mercury MerCruiser and Johnson Evinrude Lower Unit 12-19183 family-yamaha-30msht and the X/XR/XZ series

and the X/XR/XZ series

and bearing carriers

Remove the bolts that secure the lower unit (gear case) to the outboard's main housing

inspect the housing and plate for cracks

Drain Screw Gasket for Mercury MerCruiser and Johnson Evinrude Lower Unit 12-19183 family-yamaha-30msht and the X/XR/XZ seriesDrain Screw Gasket Fits Mercury MerCruiser & Johnson Evinrude Outboards This rubber coated stainless steel washer forms a tear resistant seal for the 3 8 16 drain fill screw holes in outboard and stern drive gearcases. It is designed for use on a wide range of Mercury, MerCruiser, Johnson, and Evinrude marine engines, providing a reliable, leak free fit without requiring compression. This part directly replaces Mercury 12 19183Q02, 12 19183K02, 12