Order Ford Focus Oil Drain Plug Gasket. Explore Ford Focus Sealing Washers In Canada & Ford Focus Oil Drain Washers For Sale. Maintaining the drain plug gasket on your Ford Focus is crucial for preventing oil leaks and ensuring the longevity of your engine. Regularly inspecting the gasket for wear or damage is key; if you notice any seepage or a worn-out gasket during oil changes, it's time for a replacement. Extend the lifespan of your gasket by opting for high-quality materials such as copper or aluminum, which provide superior sealing and durability. When selecting a new gasket, ensure compatibility with your Focus model for a secure fit. Proper installation is straightforward ? clean the plug and pan thoroughly before fitting the new gasket to avoid any debris-related issues.