{"product_id":"seal-26-8m0058391","title":"Mercury – Gear Case Drain Screw Seal - Sold Individually | Gearcase Hardware | Rubber-Coated Stainless Steel | 8M0058391","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Gear Case Drain Screw Seal (Pack of 2) | Gearcase Hardware | Rubber-Coated Stainless Steel | 8M0058391\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you’ve spent enough time on the water, you start to appreciate the small parts that keep everything running smoothly. They’re easy to overlook, but they’re also the ones that protect your gear when you’re miles from shore or backing away from the dock on a quiet morning. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Gear Case Drain Screw Seal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is one of those little essentials that \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003egives you \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ereal\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e peace of mind. It keeps water out, keeps gear lube in, and helps your lower unit stay healthy season after season. Simple, reliable, and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eabsolutely\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e necessary — it’s the kind of part that seasoned boaters always keep spares of.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eR\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eubber-coated Stainless Steel seal for durable, reliable gearcase protection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e3\/8-16 drain and fill screw holes\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps prevent water intrusion and gear lube leakage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProtects against catastrophic gearcase damage caused by failed sealing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003ePack includes\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eseals\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt to Mercury Marine OEM specifications for exact fit and long service life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0058391\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eE\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003engine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits most Mercury and Mariner outboards that use 3\/8-16 drain\/fill screws\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with all MerCruiser sterndrives requiring this seal size\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for fishing boats, center consoles, pontoons, bowriders, sport boats, and cruisers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with a wide range of horsepower levels when the gearcase uses the 3\/8-16 screw design\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhat boaters appreciate most about this seal is how quietly it does its job. Once you seat the drain screw with a fresh washer, you know the lower unit is secure, tight, and protected against the one thing every boater fears: water inside the gearcase. Even a small amount can whip the oil into a milky mess, strip the gears of lubrication, and lead to severe — and expensive — internal damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e rubber-coated Stainless Steel construction gives the seal the perfect balance of resilience and flexibility. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt compresses just enough to create a watertight bond, yet \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e strong enough to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehold\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e its shape under pressure and temperature \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eswings\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e That means a smooth, secure fit every time you service your gear lube.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e’ll also feel peace of mind knowing you’ve installed a part built to Mercury’s precise OEM standards. It’s a perfect fit — no gaps, no compromises, no guessing. Just a clean seal that protects your investment. And because the pack includes two, you always have a spare ready for the next service, which beats scrambling to find one when the old washer falls or gets damaged during removal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOn the water, the benefit is simple: a gearcase that stays cool, lubricated, and steady. No whine, no grinding, no \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eunexpected\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e surprises. Just smooth, dependable performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA genuine Mercury Marine part isn’t just a washer — it’s insurance. You’r\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ee choosing a seal engineered specifically for Mercury and MerCruiser gearcases, tested in real conditions, and trusted by boaters who expect reliability. Aftermarket washers often use cheaper metal, inconsistent thickness, or poor coatings that don’t seal properly. With OEM, you eliminate the risk. It’s cost-effective, dependable, and designed to work right the first time. That’\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003es the kind of advice any experienced boater would pass along.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which systems does this seal fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt fits Mercury and Mariner outboards \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e all MerCruiser sterndrives that use a 3\/8-16 drain\/fill screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it better than aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM seals offer consistent thickness, superior coating, and proper fitment to prevent leaks and water intrusion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know if this is the correct replacement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your gearcase uses a 3\/8-16 drain screw, this is the correct seal. Refer to your manual if unsure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the rubber-coated Stainless Steel design resists corrosion and maintains a tight seal in any environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Very. Remove the old washer, place a new one on the drain screw, and tighten securely to spec.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940879913251,"sku":"26-8M0058391","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0058391_Main.jpg?v=1760631325","url":"https:\/\/partsvu.com\/en-au\/products\/seal-26-8m0058391","provider":"PartsVu","version":"1.0","type":"link"}