{"product_id":"uanofcn-2-set-lower-unit-drain-plug-kit-for-mercury-mercruiser-outboards-magnetic-non-magnetic-3-8-16-screws","title":"UANOFCN 2-Set Lower Unit Drain Plug Kit for Mercury MerCruiser Outboards – Magnetic \u0026 Non-Magnetic 3\/8-16 Screws","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eUpgrade your lower unit maintenance with the UANOFCN 2-Set Lower Unit Drain Plug Kit. This kit combines a magnetic screw, a non-magnetic screw, and two gaskets to help you seal the drain and fill holes on your marine gear case. The hardware is designed for 3\/8-16 drain or fill hole screws, making it a versatile option for a range of MerCruiser stern drives, MerCruiser outboards, and Mariner outboards (excluding Verado).\u003c\/p\u003e\n\u003cp\u003eReal-world clarity and practical benefits help you assess if this kit fits your maintenance routine and engine model. The kit emphasizes a reliable seal, flexible compatibility, and straightforward replacement, without promising outcomes beyond what the hardware can offer in typical marine service conditions.\u003c\/p\u003e\n\u003ch3\u003eWhat is in the kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 magnetic drain screw for secure retention when used in magnetic assemblies\u003c\/li\u003e\n  \u003cli\u003e1 non-magnetic drain screw for versatile metal compatibility\u003c\/li\u003e\n  \u003cli\u003e2 gaskets to seal drain and fill openings during service\u003c\/li\u003e\n  \u003cli\u003eOption to replace several OEM parts with a single kit for easier part matching\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps support a leak-resistant lower unit by providing a dedicated seal combination\u003c\/li\u003e\n  \u003cli\u003eIncludes both magnetic and non-magnetic screws to cover different installation needs\u003c\/li\u003e\n  \u003cli\u003e3\/8-16 thread size supports a broad range of MerCruiser gear cases and Mariner outboards\u003c\/li\u003e\n  \u003cli\u003eTwo gaskets help maintain a tight seal across drain and fill openings during maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and installation\u003c\/h3\u003e\n\u003cp\u003eDesigned for 3\/8-16 drain or fill hole screws, this kit is compatible with MerCruiser stern drives, MerCruiser outboards, and Mariner outboards (excluding the Verado series). It replaces multiple OEM part numbers to offer a practical fit for several engine configurations, simplifying part matching during service.\u003c\/p\u003e\n\u003cp\u003eInstallation notes: ensure the drain hole threads are clean and dry, align the gasket seating, and snug the screws to recommended torque. After service, perform a brief system check to confirm there are no leaks and that the gear case remains sealed under typical operating conditions.\u003c\/p\u003e\n\u003ch3\u003eMaintenance perspective\u003c\/h3\u003e\n\u003cp\u003eThe lower unit drain plug kit is designed as a maintenance accessory rather than a guarantee of performance. In controlled environments, users may experience a more consistent seal and easier service steps when pulling and re-sealing the lower unit during routine maintenance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does this kit include?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes one magnetic screw, one non-magnetic screw, and two gaskets for a secure, leak-resistant seal on 3\/8-16 drain holes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this kit compatible with my engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It is designed for MerCruiser stern drives, MerCruiser outboards, and Mariner outboards (excluding Verado) and replaces several OEM parts for a flexible fit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"UANOFCN","offers":[{"title":"Default Title","offer_id":42465234026581,"sku":"B0DX21L384","price":27.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/uano-fcn-lower-unit-drain-plug-kit.jpg?v=1778001456","url":"https:\/\/plentytorque.co.uk\/products\/uanofcn-2-set-lower-unit-drain-plug-kit-for-mercury-mercruiser-outboards-magnetic-non-magnetic-3-8-16-screws","provider":"PlentyTorque","version":"1.0","type":"link"}