Yamaha Lower Unit Assembly - 6H3-45300-17-8D MerCruiser-8-1L-MCM--MIE-2022 improved low-speed authority

improved low-speed authority

3L MPI paired with a Bravo sterndrive

Transfers steering input cleanly from helm to sterndrive

and the constant flexing that comes with long days on the water

this kit helps ensure your engine responds the way it should every time you turn the key

Yamaha Lower Unit Assembly - 6H3-45300-17-8D MerCruiser-8-1L-MCM--MIE-2022 improved low-speed authorityYamaha Lower Unit Assembly Gearcase & Propulsion System 6H3 45300 17 8D Overview When a lower unit goes, you dont always get much warningand it usually happens at the worst time. Ive replaced enough of these to know that a complete assembly saves a lot of guesswork compared to piecing things back together. Its the backbone of how your motor puts power into the water, so everything has to be right. Swapping in a solid unit like this gets you back to