{"product_id":"mercury-8m0030784-washer-keyed","title":"Mercury 8M0030784 Keyed Washer 65-150HP 4-Stroke","description":"\u003ch2\u003eMercury 8M0030784 Keyed Washer 65-150HP 4-Stroke\u003c\/h2\u003e\n\n\u003cp\u003eThe Mercury 8M0030784 Keyed Washer is a genuine OEM replacement washer used on select Mercury and Mariner 4-stroke outboard applications. This keyed washer is commonly found in gear housing, propeller shaft, and driveshaft housing extension kit assemblies for compatible 65HP through 150HP outboards.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine Mercury keyed washer replacement part\u003c\/li\u003e\n  \u003cli\u003ePart number: 8M0030784\u003c\/li\u003e\n  \u003cli\u003eCatalog part reference: 14-8M0030784\u003c\/li\u003e\n  \u003cli\u003eUsed in select Mercury and Mariner 4-stroke outboard assemblies\u003c\/li\u003e\n  \u003cli\u003eFits compatible 65HP to 150HP outboard applications\u003c\/li\u003e\n  \u003cli\u003eCommonly used in gear housing, propeller shaft, and driveshaft housing extension kit assemblies\u003c\/li\u003e\n  \u003cli\u003eApplicable to standard rotation and counter rotation gear housing configurations where specified\u003c\/li\u003e\n  \u003cli\u003eSupports 2.07:1 and 2.38:1 gearcase-related applications where listed in parts diagrams\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003eManufacturer:\u003c\/strong\u003e Mercury Marine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8M0030784\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCatalog Reference:\u003c\/strong\u003e 14-8M0030784\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Keyed washer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC \/ GTIN:\u003c\/strong\u003e 745061884502\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Select Mercury and Mariner 4-stroke outboard gear housing, propeller shaft, and driveshaft housing extension kit assemblies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Types:\u003c\/strong\u003e 4-stroke EFI, 4-stroke EFI Jet, 4-stroke EFI Pro XS, and 4-stroke EFI SeaPro applications where specified\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHP Range:\u003c\/strong\u003e 65HP to 150HP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAssembly Locations:\u003c\/strong\u003e Gear housing, propeller shaft assembly, bearing carrier area, and driveshaft housing extension kit applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGearcase Applications:\u003c\/strong\u003e 2.07:1 and 2.38:1 applications where listed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRotation Applications:\u003c\/strong\u003e Standard rotation and counter rotation applications where specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExpanded Fitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e65 HP EFI Jet 4-Stroke:\u003c\/strong\u003e Serial range 2B095049 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e75 HP EFI 4-Stroke:\u003c\/strong\u003e Serial range 2B095049 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e75 HP EFI SeaPro 4-Stroke:\u003c\/strong\u003e Serial range 2B095049 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e80 HP EFI 4-Stroke:\u003c\/strong\u003e Serial range 2B095049 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e80 HP EFI Jet 4-Stroke:\u003c\/strong\u003e Serial range 2B095049 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e90 HP EFI 4-Stroke:\u003c\/strong\u003e Serial range 2B095049 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e90 HP EFI SeaPro 4-Stroke:\u003c\/strong\u003e Serial range 2B095049 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100 HP EFI 4-Stroke:\u003c\/strong\u003e Serial range 2B095049 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e115 HP EFI 4-Stroke:\u003c\/strong\u003e Serial range 2B095049 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e115 HP EFI SeaPro 4-Stroke:\u003c\/strong\u003e Serial range 2B095049 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e115 HP EFI Pro XS 4-Stroke:\u003c\/strong\u003e Serial range 2B225488 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e135 HP EFI 4-Stroke:\u003c\/strong\u003e Serial range 2B131942 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e150 HP EFI 4-Stroke:\u003c\/strong\u003e Serial range 1B905505 \u0026amp; Up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e150 HP EFI SeaPro 4-Stroke:\u003c\/strong\u003e Serial range 2B139139 \u0026amp; Up\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy You Should Buy\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrect OEM keyed washer for applications that call for Mercury part number 8M0030784\u003c\/li\u003e\n  \u003cli\u003eHelps ensure proper fitment in supported lower-unit and driveshaft housing assemblies\u003c\/li\u003e\n  \u003cli\u003eIdeal for marine repair, gear housing service, and outboard maintenance\u003c\/li\u003e\n  \u003cli\u003eSupports accurate replacement when matched by part number, engine model, serial range, and parts diagram\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMercury 65HP to 150HP 4-stroke outboard service\u003c\/li\u003e\n  \u003cli\u003eMariner 65HP to 150HP 4-stroke outboard service\u003c\/li\u003e\n  \u003cli\u003eGear housing and propeller shaft assembly repairs\u003c\/li\u003e\n  \u003cli\u003eDriveshaft housing extension kit service\u003c\/li\u003e\n  \u003cli\u003eStandard rotation and counter rotation gearcase applications where specified\u003c\/li\u003e\n  \u003cli\u003eEFI, Jet, Pro XS, and SeaPro outboard applications requiring part number 8M0030784\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat is Mercury 8M0030784?\u003c\/strong\u003e Mercury 8M0030784 is a keyed washer used in select Mercury and Mariner 4-stroke outboard assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat horsepower range does this washer fit?\u003c\/strong\u003e This keyed washer is listed for select 65HP through 150HP Mercury and Mariner 4-stroke outboards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat engine types does it fit?\u003c\/strong\u003e It fits select 4-stroke EFI, EFI Jet, EFI Pro XS, and EFI SeaPro applications where part number 8M0030784 is specified.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhere is this washer used?\u003c\/strong\u003e It is commonly used in gear housing, propeller shaft, bearing carrier area, and driveshaft housing extension kit assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoes this fit 115 Pro XS models?\u003c\/strong\u003e Yes, it is listed for 115 HP EFI Pro XS 4-stroke applications with serial range 2B225488 \u0026amp; Up.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoes this fit 150HP 4-stroke models?\u003c\/strong\u003e Yes, it is listed for 150 HP EFI 4-stroke applications with serial range 1B905505 \u0026amp; Up and 150 HP EFI SeaPro applications with serial range 2B139139 \u0026amp; Up.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoes this fit standard and counter rotation gearcases?\u003c\/strong\u003e It is listed in both standard rotation and counter rotation gear housing applications where specified by the parts diagram.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHow should I confirm fitment?\u003c\/strong\u003e Match part number 8M0030784 to your engine model, serial number, gearcase configuration, and official parts diagram before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":48417124679912,"sku":"8M0030784","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9927\/6776\/files\/8M0030784_3.webp?v=1777673867","url":"https:\/\/wakeboss.com\/products\/mercury-8m0030784-washer-keyed","provider":"Wakeboss","version":"1.0","type":"link"}