Mercury L6 FourStroke Complete Gearcase 8M0236255

Mercury Complete Gearcase Assembly 8M0236255 is an OEM replacement lower unit designed for select Mercury L6 FourStroke outboards. The Mercury designation GC L6 4S L identifies this as a complete gearcase for applicable inline 6-cylinder FourStroke engines in an L (20-inch) shaft configuration.

Compatible with select Mercury L6 FourStroke applications.

This is the complete gearcase assembly, rather than an empty gear housing. It is supplied as an assembled lower unit with the internal gearing and related gearcase components installed.

Because Mercury L6 gearcases vary by engine model, gear ratio, rotation, shaft length, and gearcase design, compatibility should be confirmed using the engine serial number before ordering. I would keep the fitment broad on this particular part rather than assigning a horsepower range without stronger documentation tying 8M0236255 to those specific models.

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.

Replaces / supersedes Mercury part numbers: 880686T13.