Lower Unit Oil Drain Plug Screw Kit – Fits Mercury/MerCruiser Outboard & Sterndrive (Replaces 79953Q04, 816610A1) 250HP confirming they are correctly aligned

confirming they are correctly aligned and sealed

A worn roller can damage your boat's hull

It serves as a direct cross-reference for Yamaha parts 6E5-45371-01-00 and 6E5-45371-10-00

Carefully remove the old U-joint

How do I confirm this kit will fit my specific engine

Lower Unit Oil Drain Plug Screw Kit – Fits Mercury/MerCruiser Outboard & Sterndrive (Replaces 79953Q04, 816610A1) 250HP confirming they are correctly alignedProduct Details This Lower Unit Oil Drain Plug Screw Kit is designed for a wide range of Mercury MerCruiser applications, including Alpha One (Gen I & II), I, R, MR, TR, and TRS sterndrives. It also fits all Mercury outboard models that use 3 8 16 non magnetic drain fill screws, as well as compatible Johnson Evinrude and Chrysler Force US Marine outboards. This kit serves as a direct replacement for multiple OEM part numbers, including Mercury