{"product_id":"merc-153","title":"Mercury - Gimbal Housing Lock Nut - 11-34087","description":"\u003cp\u003eThe Mercury Quicksilver Gimbal Housing Lock Nut 11-34087 is an OEM-style red Nyloc hex locking nut used in select MerCruiser transom and gimbal housing assemblies. It helps secure the gimbal housing mounting hardware, maintaining clamping force between the outer transom assembly and inner transom plate.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury\/Quicksilver locking nut\u003c\/li\u003e\n\u003cli\u003ePart number: 11-34087\u003c\/li\u003e\n\u003cli\u003eAlso referenced as 34087\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse thread\u003c\/li\u003e\n\u003cli\u003eRed nylon locking insert\u003c\/li\u003e\n\u003cli\u003eUsed on select gimbal housing and transom assembly mounting hardware\u003c\/li\u003e\n\u003cli\u003eGTIN \/ UPC: 745061136991\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eDrive Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUsed on select MerCruiser R, MR, Alpha One Gen 1, and Bravo I \/ II \/ III transom assembly applications. Also found across various legacy MerCruiser sterndrive packages, including classic inline and V8 configurations where this nut is shown in the transom assembly diagram.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eVerify fitment by drive\/transom serial number, gimbal housing diagram, and original hardware stack-up before ordering. Transom hardware can vary by drive generation, housing style, bolt length, and production range.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this lock nut if the nylon insert is worn, melted, loose, damaged, corroded, or if the nut has been removed during transom or gimbal housing service.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstall only in the correct gimbal housing mounting locations shown in the Mercury parts diagram. Inspect the mounting bolts, washers, transom plate, seal surfaces, and surrounding hardware before reassembly. Follow Mercury service procedures for torque specifications and tightening sequence.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003ePrimary Mercury references: 11-34087 and 34087.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eLock nuts with nylon inserts should not be treated like standard reusable hardware in critical mounting areas. If the insert no longer grips properly, replacing the nut helps maintain transom clamping force and reduces the risk of vibration-related loosening.\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":43563853217828,"sku":"34087","price":12.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/3dd6b7b5-4b10-4230-9aec-54f97a5467a5.png?v=1779405142","url":"https:\/\/marisolmarine.com\/products\/merc-153","provider":"Marisol Marine Company","version":"1.0","type":"link"}