CPO Outboard Gearcases

Genuine Mercury Marine Quicksilver CPO outboard lower unit gearcases. All come with 1 year factory warranty.

100% genuine OEM gearcases for many Mercury and Mariner applications between 40‑300 HP. These are genuine original factory parts. Availability changes daily, so feel free to contact us to see if your lower unit is available from the factory.

To ensure you're getting the correct gear housing use your engine serial number and find for your parts diagrams here.

NEW GEARCASES ARE HERE.