Lower Unit Gear Lube Drain and Fill Hole Screw Seal

The Quicksilver Drain Screw gasket is a crucial component used in conjunction with the 3/8‑16 drain/fill screw, which is present on all MerCruiser and most Mercury/Mariner outboard engines, excluding Verado models and those of Japanese origin. Each clamshell package contains a set of 4 individual gaskets, ensuring ample replacement parts for maintaining your outboard's proper functioning.

The 3/8‑16 drain/fill screw is a standard feature found on the majority of MerCruiser and Mercury/Mariner outboard engines, playing a vital role in the maintenance and servicing of these marine propulsion systems. The Quicksilver Drain Screw gasket is designed to provide a secure and reliable seal around this screw, preventing potential leaks and ensuring the efficient drainage and refilling of fluids during routine maintenance procedures.

Regardless of whether you own a MerCruiser or a Mercury/Mariner outboard, with the exception of Verado models and those of Japanese origin, the Quicksilver Drain Screw gasket is an essential component for maintaining the integrity of your outboard's fluid systems. The inclusion of 4 individual gaskets in each clamshell package allows for convenient and cost-effective replacement, ensuring you have the necessary spare parts on hand to address any issues that may arise with the drain/fill screw over time.

By using the Quicksilver Drain Screw gasket, boat owners and marine enthusiasts can be confident in the performance and longevity of their outboard engines, as this gasket helps to safeguard against potential leaks and fluid loss, ultimately contributing to the overall health and reliability of their marine propulsion systems.

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