{"product_id":"merc-154","title":"Mercury - Cotter Pin - 18-54929","description":"\u003cp\u003eThe Mercury Quicksilver Cotter Pin 18-54929 is an OEM mechanical locking fastener used in select MerCruiser sterndrive transom and swivel assemblies. It helps retain critical pivot hardware such as gimbal ring, hinge, and lower swivel pin components so they remain locked in position under vibration and steering load.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury\/Quicksilver cotter pin\u003c\/li\u003e\n\u003cli\u003ePart number: 18-54929\u003c\/li\u003e\n\u003cli\u003eAlso referenced as 54929\u003c\/li\u003e\n\u003cli\u003eMarine-grade split locking fastener\u003c\/li\u003e\n\u003cli\u003eApproximate dimensions: 3.00\" L x 0.50\" W x 0.25\" H\u003c\/li\u003e\n\u003cli\u003eGTIN \/ UPC: 745061159587\u003c\/li\u003e\n\u003cli\u003eUsed in select gimbal housing, gimbal ring, and lower swivel pin locations\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 Alpha One Generation II and Bravo I \/ II \/ III sterndrive transom assemblies, including lower swivel pin and gimbal housing attachment locations where this cotter pin is shown in the Mercury parts 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 and parts diagram before ordering. Cotter pin size and location can vary by drive generation, gimbal housing design, swivel shaft hardware, 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 cotter pin anytime it is removed, bent, corroded, cracked, missing, or damaged during gimbal ring, swivel pin, steering, or transom assembly service.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCotter pins are designed to deform during installation and should not be reused. Install a new pin after the related hardware is properly seated and torqued, then bend the legs securely according to Mercury service procedure.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplaces Mercury 18-34212, 34212, 34159, 24552, and 49324. Primary references: 18-54929 and 54929.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eA cotter pin is inexpensive, but it is a safety-critical retainer. Reusing an old pin after steering or transom service can leave important pivot hardware less secure than it should be.\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":43563853250596,"sku":"34212","price":8.94,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/23fa9b50-686f-47e7-b871-24ab2cff4d8b.png?v=1779405877","url":"https:\/\/marisolmarine.com\/products\/merc-154","provider":"Marisol Marine Company","version":"1.0","type":"link"}