Mercury - Quicksilver Drive Installation Gasket Kit Marine Seal Kit 54014Q1. Overview. A proper seal makes all the difference when reinstalling your drive. The Mercury Marine 54014Q1 Quicksilver Drive Installation Gasket Kit includes the gaskets you need to ensure a watertight, vibration-free connection between your transom assembly and drive unit. It's built for MerCruiser 215E, 215H, TR, and TRS drives, using marine-tested materials that stand up to pressure, heat, and water exposure. Whether