{"product_id":"mercury-8m0188221-seal","title":"Mercury 8M0188221 Engine Oil Drain Plug Seal 20-60 HP","description":"\u003ch2\u003eMercury 8M0188221 Engine Oil Drain Plug Seal\u003c\/h2\u003e\n\u003cp\u003eMercury 8M0188221 is a genuine engine oil drain plug seal for select Mercury and Mariner 20-60 HP FourStroke outboards where this part number is specified. This is an engine oil drain plug seal, not a lower-unit gearcase drain screw washer.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury replacement engine oil drain plug seal\u003c\/li\u003e\n\u003cli\u003eUsed at the engine oil drain plug on specified FourStroke outboards\u003c\/li\u003e\n\u003cli\u003eHelps provide a proper seal after engine oil drain service\u003c\/li\u003e\n\u003cli\u003eRecommended replacement item during routine oil changes when specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment \/ Product Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mercury\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8M0188221\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBU Part ID:\u003c\/strong\u003e 8M0188221\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Engine Oil Drain Plug Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Select Mercury and Mariner 20-60 HP FourStroke outboards where specified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Style:\u003c\/strong\u003e Outboard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHP Range:\u003c\/strong\u003e 20-60 HP\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSupersedes \u003cspan\u003e8M0007119\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e Each\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Confirm compatibility by part number, model, horsepower, serial number\/model year, parts diagram, owner’s manual, or service manual before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExpanded Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect Mercury and Mariner 20-60 HP FourStroke outboards where engine oil drain plug seal 8M0188221 is specified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne Mercury 8M0188221 engine oil drain plug seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat This Seal Is Not\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is not the lower-unit gearcase drain\/fill screw washer.\u003c\/li\u003e\n\u003cli\u003eFor gearcase\/lower-unit drain screw service, confirm the correct gearcase washer part number separately by serial number or parts diagram.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy You Should Buy\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCorrect genuine Mercury service part for applications that specify 8M0188221\u003c\/li\u003e\n\u003cli\u003eHelps prevent reusing a worn or compressed engine oil drain plug seal\u003c\/li\u003e\n\u003cli\u003eSmall but important service item for clean, reliable oil-change maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine oil changes on specified 20-60 HP Mercury and Mariner FourStroke outboards\u003c\/li\u003e\n\u003cli\u003eReplacing a compressed, worn, or missing engine oil drain plug seal\u003c\/li\u003e\n\u003cli\u003eService-department stock for routine Mercury FourStroke oil service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs this for the lower unit?\u003c\/strong\u003e No. This listing is for the engine oil drain plug seal, not the lower-unit gearcase drain screw washer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes this fit every 20-60 HP Mercury outboard?\u003c\/strong\u003e No. Use it only where part number 8M0188221 is specified for your engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShould this be replaced during an oil change?\u003c\/strong\u003e Replace it when your Mercury service information calls for it or when the existing seal is worn, damaged, or compressed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow do I confirm fitment?\u003c\/strong\u003e Match part number 8M0188221 to your Mercury or Mariner parts diagram, serial number, owner’s manual, or service manual before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47896561320168,"sku":"8M0188221","price":3.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9927\/6776\/files\/8M0188221_1_b2424e39-464a-48d1-9bdf-8b436509a492.webp?v=1780439539","url":"https:\/\/wakeboss.com\/products\/mercury-8m0188221-seal","provider":"Wakeboss","version":"1.0","type":"link"}