Lower Unit Drain Plug Kit – Fits Mercury/MerCruiser (Replaces 8M0058389, 79953Q04) 90-175HP Is modification required for all

Is modification required for all engines

as well as OMC Cobra stern drives produced between 1986 and 1993 (excluding cone clutch models)

Mercury/MerCruiser Applications: Compatible with most V6 and V8 gasoline engines from 1992 to present

Includes all required seals for a complete upper driveshaft housing service

and visible signs of wear such as cracks

Lower Unit Drain Plug Kit – Fits Mercury/MerCruiser (Replaces 8M0058389, 79953Q04) 90-175HP Is modification required for allProduct Details This Sea Sierra Lower Unit Drain Plug Kit is designed for Mercury and MerCruiser lower units that utilize a 3 8 16 threaded drain fill screw. It is broadly compatible with most Mercury & Mariner outboard models, excluding the Verado series, and fits a wide range of MerCruiser sterndrives, including MC 1, Alpha One (Gen I & II), TR, and TRS models. The kit serves as a direct interchange for several part numbers, including Mercury