Lower Unit Seal Kit For Yamaha 40hp Enduro – Replaces 66T-W0001-20-00

Working on a Yamaha 40hp Enduro outboard?

This is a quality aftermarket lower unit seal kit that replaces the OEM part number 66T-W0001-20-00.

Just a heads-up: this is aftermarket, not OEM, so if you need the factory part, double-check before you buy.

But if you’re good with a solid alternative, this kit has all the seals you need to keep your lower unit watertight.