{"product_id":"mercury-mercruiser-fish-line-cutting-seal-26-12224","title":"Mercury MerCruiser Fish Line Cutting Seal – 26-12224 | Alpha One Gen II, Alpha One SS","description":"\u003cp\u003eMercury MerCruiser Quicksilver \u003cstrong\u003e26-12224 \/ 12224\u003c\/strong\u003e is a genuine Mercury Marine \u003cstrong\u003eoutside propeller-shaft bearing carrier seal with a fish-line cutting feature\u003c\/strong\u003e. It installs at the outside seal position of applicable Mercury and MerCruiser gear housings, where it helps retain gear lubricant while protecting the propeller-shaft sealing area from fishing line that can wrap around the shaft. Mercury gearcase references identify \u003cstrong\u003e12224 as the outside “Seal, Fish Line Cutting”\u003c\/strong\u003e in the bearing-carrier assembly.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury Marine \/ Quicksilver OEM seal\u003c\/li\u003e\n\u003cli\u003eMercury part number \u003cstrong\u003e26-12224 \/ 12224\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOfficial description: \u003cstrong\u003eSeal, Fish Line Cutting\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUsed at the \u003cstrong\u003eoutside propeller-shaft bearing carrier seal position\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFish-line cutter feature helps protect the rear propeller-shaft sealing area\u003c\/li\u003e\n\u003cli\u003eQuantity required in applicable assemblies: \u003cstrong\u003e1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGTIN \/ UPC: \u003cstrong\u003e745061079182\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eApproximate packaged dimensions: \u003cstrong\u003e1.00 × 1.75 × 0.38 in\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eApproximate packaged weight: \u003cstrong\u003e0.05 lb\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirmed applications include select Mercury \/ MerCruiser gear housings such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eMerCruiser Alpha One Gen II\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMerCruiser Alpha One SS\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSelected earlier MerCruiser propeller-shaft gear housings\u003c\/li\u003e\n\u003cli\u003eSelected Mercury \u003cstrong\u003e75 \/ 90 \/ 115 FourStroke 2.1L\u003c\/strong\u003e gearcases\u003c\/li\u003e\n\u003cli\u003eSelected Mercury \u003cstrong\u003eSeaPro\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSelected Mercury \u003cstrong\u003ePro XS\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor Alpha One Gen II standard-rotation gear housings, \u003cstrong\u003e12224 appears as the outside fish-line cutting seal in the propeller-shaft assembly\u003c\/strong\u003e. Mercury technical information also identifies 26-12224 as a common fish-line cutter seal shared with certain earlier MerCruiser propeller-shaft applications.\u003c\/p\u003e\n\u003ch2\u003eFitment Notice\u003c\/h2\u003e\n\u003cp\u003eVerify \u003cstrong\u003e26-12224\u003c\/strong\u003e against the exact drive or outboard serial number and gearcase diagram before ordering. Several seals are installed together around the bearing carrier, and they perform different jobs.\u003c\/p\u003e\n\u003cp\u003eIn applicable assemblies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-mercruiser-bearing-carrier-seal-26-14077\"\u003e\u003cstrong\u003e26-14077 \/ 14077\u003c\/strong\u003e – Inside propeller-shaft oil seal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e26-12224 \/ 12224\u003c\/strong\u003e – Outside fish-line cutting seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8M0204670\u003c\/strong\u003e – Alternate\/current outside seal shown in certain later gearcase configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDo not assume these seals interchange simply because they occupy adjacent positions in similar gear housings.\u003c\/p\u003e\n\u003ch2\u003eWhen This Part Needs Replacement\u003c\/h2\u003e\n\u003cp\u003eReplace the seal if there is gear-lube leakage around the propeller shaft, water contamination inside the gearcase, visible damage to the sealing lip, deterioration of the cutter section, or fishing-line damage around the shaft.\u003c\/p\u003e\n\u003cp\u003eA milky or emulsified gear lubricant condition is a strong reason to inspect the complete propeller-shaft sealing arrangement, including both the inner and outer bearing-carrier seals.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eRemove all fishing line and debris from the propeller shaft before installing the new seal. Inspect the shaft where the sealing lips ride for grooves, corrosion, scoring, or other damage that could cause a new seal to leak.\u003c\/p\u003e\n\u003cp\u003eWhen the bearing carrier is already apart, inspect:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInside oil seal \u003ca href=\"\/products\/mercury-mercruiser-bearing-carrier-seal-26-14077\"\u003e\u003cstrong\u003e14077\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutside fish-line cutting seal \u003cstrong\u003e12224\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBearing-carrier O-rings and sealing surfaces\u003c\/li\u003e\n\u003cli\u003ePropeller-shaft surface\u003c\/li\u003e\n\u003cli\u003eKeyed washer and bearing-carrier retainer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall the seal in the orientation and depth specified by the applicable Mercury service manual and pressure-test the gearcase after service when required.\u003c\/p\u003e\n\u003ch2\u003eAlternate \/ Superseded Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12224\u003c\/strong\u003e – Mercury Marine part number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e26-12224\u003c\/strong\u003e – Mercury \/ Quicksilver formatted part number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSierra 18-2076\u003c\/strong\u003e – Aftermarket cross-reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003eFishing line wrapped behind the propeller is one of the easiest ways to damage a prop-shaft seal without noticing it immediately. \u003cstrong\u003e26-12224 is the outside fish-line cutting seal\u003c\/strong\u003e, so whenever the propeller is removed, it is worth checking this area for tightly wound line before it reaches the sealing surface. When servicing this seal, always inspect the inside oil seal \u003ca href=\"\/products\/mercury-mercruiser-bearing-carrier-seal-26-14077\"\u003e26-14077\u003c\/a\u003e at the same time — both seals are accessible with the bearing carrier apart and replacing both together avoids a repeat disassembly.\u003c\/p\u003e\n\u003cp\u003eBrowse all \u003ca href=\"\/collections\/mercury-mercruiser-quicksilver-gaskets-seals\"\u003eMercury MerCruiser \/ Quicksilver Gaskets \u0026amp; Seals\u003c\/a\u003e.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":51243788697636,"sku":"26-12224","price":34.04,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/1045305c-02d6-4611-834d-e1f425c340a2.png?v=1786430933","url":"https:\/\/marisolmarine.com\/products\/mercury-mercruiser-fish-line-cutting-seal-26-12224","provider":"Marisol Marine Company","version":"1.0","type":"link"}