{"product_id":"merc-720","title":"Mercury MerCruiser 1\/4-28 Hex Nut - 11-8267139","description":"\u003cp\u003eThe Mercury MerCruiser Quicksilver \u003cstrong\u003e11-8267139\u003c\/strong\u003e is a genuine Mercury Marine OEM \u003cstrong\u003e.250-28 hex nut\u003c\/strong\u003e used as diagram-specific fastening hardware across select MerCruiser engine, sterndrive, transom, intake, fuel, and throttle-related assemblies. This fine-thread nut is used where the Mercury\/MerCruiser parts diagram calls for \u003cstrong\u003e8267139 \/ 11-8267139\u003c\/strong\u003e, helping secure light-to-medium engine and drive hardware in locations that require the correct OEM thread and hardware fit.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury Marine factory OEM nut.\u003c\/li\u003e\n\u003cli\u003eMercury\/MerCruiser part number: \u003cstrong\u003e11-8267139\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: \u003cstrong\u003e8267139\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eOfficial part label: \u003cstrong\u003eNUT (.250-28)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThread specification: \u003cstrong\u003e1\/4-28 fine thread\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eGTIN\/UPC: \u003cstrong\u003e745061464575\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eListed shipping dimensions: \u003cstrong\u003e0.75 in. L x 0.63 in. W x 0.50 in. H\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUsed in select MerCruiser engine, Bravo drive, transom, intake, throttle, fuel-line, and flame arrestor hardware locations where specified by diagram.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eApplication Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCommon where-used application groups include select Mercury\/MerCruiser engines, drives, and transom assemblies by serial number and diagram location, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.0L GM 181 I\/L4\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.0L MPI EC\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.0L TKS Plus\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.3L Carb and MPI Alpha\/Bravo\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.0L Carb and MPI Alpha\/Bravo\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.7L Carb, MPI, Ski, and MIE\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e350 MAG MPI \/ Horizon \/ Black Scorpion\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.2L MPI \/ MX 6.2L MPI\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e377 MAG and 383 MAG Stroker\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e496 MAG and 496 MAG H.O.\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8.1L Inboard Base and H.O.\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBravo, Bravo One, Bravo Two, Bravo Three, Bravo X, Bravo XR, Bravo XZ, Hi Performance Transom, and Integrated Transom\u003c\/strong\u003e assemblies where specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse this nut only where the Mercury\/MerCruiser parts diagram specifically calls for \u003cstrong\u003e11-8267139 \/ 8267139\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eConfirm fitment by engine or drive serial number, system diagram, thread requirement, and exact hardware location before ordering. Mercury uses many similar 1\/4-inch nuts across fuel, throttle, flame arrestor, manifold, cooling, transom, and drive assemblies, and the correct part depends on the factory diagram location.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this nut if the original fastener is missing, rounded, corroded, cross-threaded, stripped, stretched, or damaged during service. It should also be replaced if it no longer tightens properly on the mating stud or screw, or if the service manual calls for new fastening hardware during reassembly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstall this nut only in the exact location shown in the Mercury\/MerCruiser diagram. Inspect the mating stud, screw, washer, bracket, linkage, flame arrestor base, throttle component, fuel-line clamp, or mounting surface while the hardware is apart. Do not force a damaged fine-thread nut onto a stud or screw. Follow the Mercury\/MerCruiser service manual for the correct torque value and hardware order for the specific assembly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e11-8267139\u003c\/strong\u003e — Mercury\/MerCruiser formatted part number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8267139\u003c\/strong\u003e — Manufacturer part number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28941\u003c\/strong\u003e — earlier Mercury reference; verify by serial number and diagram before substitution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFine-thread hardware should be matched by part number and diagram location, not just by thread size. A generic 1\/4-28 nut may not match the required height, finish, locking style, or service location, which matters on throttle, fuel, manifold, and transom hardware exposed to vibration.\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":43563883528228,"sku":"8267139","price":3.81,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/2a2f0c32-64a1-44a9-8f6e-93aaacbbcbcd.png?v=1781120284","url":"https:\/\/marisolmarine.com\/products\/merc-720","provider":"Marisol Marine Company","version":"1.0","type":"link"}