CPO Outboard Gearcases

Certified Pre-Owned Outboard Lower Unit Gear Cases

Genuine Mercury Marine Quicksilver CPO outboard lower unit gearcases. All come with 1 year factory warranty. Great deal for replacing a blown lower unit. 

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 your parts diagrams here.

NEW GEARCASES ARE HERE.