This thrust bearing kit ( 93342-624U0) is designed for use with 40HP 2-stroke outboard motors and MU-1 marine diesel engines.Constructed from steel, it is built to withstand marine environments.The kit meets thermal stability requirements for elevated temperature and serves as a direct replacement to proper fit and function.Compatible with specific 40HP outboard models and MU-1 marine diesel engines, it supports consistent performance where precise component alignment is critical.Replacing worn or damaged thrust bearings helps maintain engine efficiency and service life.The design enables smooth of the propulsion system and integrates into standard outboard engine maintenance procedures.