{"product_id":"merc-298","title":"Mercury MerCruiser Quicksilver O-Ring 1.424 x .103 457101","description":"\u003cp\u003eMercury MerCruiser Quicksilver \u003cstrong\u003e25-457101\u003c\/strong\u003e is an OEM-style O-ring used in select Mercury, Mariner, and MerCruiser gearcase and drive assemblies. Mercury parts references identify this part as \u003cstrong\u003eO-RING (1.424 x .103)\u003c\/strong\u003e and show the older \u003cstrong\u003e25-457101 \/ 457101\u003c\/strong\u003e reference superseding to the current replacement \u003cstrong\u003e25-8M0204681 \/ 8M0204681\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury \/ Quicksilver-style O-ring reference\u003c\/li\u003e\n\u003cli\u003eSize reference: \u003cstrong\u003e1.424 in. I.D. x .103 in. width\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCommonly shown as an orange O-ring in current parts listings\u003c\/li\u003e\n\u003cli\u003eOriginal Mercury reference: \u003cstrong\u003e25-457101 \/ 457101\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCurrent replacement reference: \u003cstrong\u003e25-8M0204681 \/ 8M0204681\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGTIN reference for 25-457101: \u003cstrong\u003e745061532595\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis O-ring is associated with select Mercury and Mariner outboard gearcase applications, including many \u003cstrong\u003e40–115 EFI\u003c\/strong\u003e, \u003cstrong\u003e75\/90\/115 DFI \/ Optimax\u003c\/strong\u003e, and related 30–125 HP gearcase families depending on model and serial number. Cross-reference application data also shows use in \u003cstrong\u003eMerCruiser Bravo drive shaft housing\u003c\/strong\u003e exploded views and related gearcase component groups.\u003c\/p\u003e\n\u003ch2\u003eSerial Number Fitment Notice\u003c\/h2\u003e\n\u003cp\u003eO-ring fitment depends on the exact engine, drive, gear housing, diagram location, and serial number range. Always confirm compatibility using the Mercury or MerCruiser serial number before ordering, especially where older \u003cstrong\u003e25-457101\u003c\/strong\u003e has been replaced by \u003cstrong\u003e25-8M0204681\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhen This Part Needs Replacement\u003c\/h2\u003e\n\u003cp\u003eReplace this O-ring when servicing the related gearcase or drive housing component, or whenever the original O-ring is flattened, cut, brittle, swollen, cracked, missing, or no longer sealing properly. Reusing an old O-ring can lead to leaks and repeat service.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eClean the O-ring groove and mating surface before installation. Lightly lubricate the O-ring with the service-manual-approved lubricant where specified, and make sure it seats evenly without twisting or pinching. Confirm the exact diagram location before installation, as this size O-ring appears across multiple Mercury and MerCruiser assemblies.\u003c\/p\u003e\n\u003ch2\u003eAlternate \/ Superseded Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e25-457101\u003c\/li\u003e\n\u003cli\u003e457101\u003c\/li\u003e\n\u003cli\u003e25-45710\u003c\/li\u003e\n\u003cli\u003e45710\u003c\/li\u003e\n\u003cli\u003e25-8M0204681\u003c\/li\u003e\n\u003cli\u003e8M0204681\u003c\/li\u003e\n\u003cli\u003eSierra 18-7198\u003c\/li\u003e\n\u003cli\u003eGLM 81270 \/ 81275\u003c\/li\u003e\n\u003cli\u003eOMC \/ Johnson \/ Evinrude 0308626, 0508504, 0777523, 308626\u003c\/li\u003e\n\u003cli\u003eHonda 91353-ZW1-003\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eParts Desk Insight\u003c\/h2\u003e\n\u003cp\u003eSmall O-rings like this are easy to overlook during gearcase service, but they are usually not worth reusing. Matching the O-ring by part number and serial-number diagram location is the safest approach because the same seal size can appear in several different Mercury and MerCruiser assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563860131876,"sku":"457101","price":5.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/57d35b62-85d5-4ba7-9efb-30c733a66dcd.png?v=1777485421","url":"https:\/\/marisolmarine.com\/products\/merc-298","provider":"Marisol Marine Company","version":"1.0","type":"link"}