Quicksilver 79953Q04 Lower Unit Gear Lube Drain and Fill Hole Screw and Seal

The Quicksilver brand has been the leader in delivering uncompromising engine oils, parts, and accessories to the marine industry for over 65 years. As the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, Quicksilver also serves all Original Equipment brands in the marine and powersports industries. By providing the highest quality products that have been tested through some of the most rigorous environments and procedures, Quicksilver has earned a loyal following. No aftermarket company comes close to the level of research and design as Quicksilver, ensuring that their products deliver performance, protection, and peace of mind.

The Lower Unit Gear Lube Drain and Fill Hole Screw and Seal 79953Q04 is specifically designed for use with the 3/8 - 16 drain and fill hole screw on all MerCruiser sterndrives, Mercury and Mariner outboards, except the Verado series. It is essential to use this seal to properly seat the drain/fill hole screw in the lower unit, helping to prevent gear lube from leaking out and water from seeping in, which can cause serious damage to the gear case.

Manufactured to meet Mercury Marine original equipment manufacturer specifications, the Lower Unit Gear Lube Drain and Fill Hole Screw and Seal 79953Q04 is engineered to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive. By ensuring a secure and reliable seal, this product helps to maintain the integrity of your marine engine's gear case, safeguarding your investment and providing peace of mind.

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