2 Pcs Fits Outboard 25-27018 Lower Unit Shift Shaft Housing Seal 25-8M0204651 25-30224 Q 30224 18-7173 This product consists of two lower unit shift shaft housing seals designed to fit outboard motors. The part numbers included are 25-27018, 25-8M0204651, 25-30224, Q 30224, and 18-7173. These seals are used in the lower unit to help maintain proper lubrication and prevent water ingress. Each unit is built to meet standard specifications for durability and function in marine environments. The package includes two identical seals for replacement or backup use. Important: This product is an aftermarket alternative. Brand names mentioned serve only to show which devices it fits.