{"product_id":"sierra-18-8217-transom-seal-kit-replaces-mercruiser-30-803097t1-fits-r-mr-alpha-one-1983-1990-alpha-one-ss-1986-1989","title":"Sierra Transom Seal Kit 18-8217, Mercruiser Sterndrive Bellows Seal","description":"\u003cp\u003eThe Sierra Transom Seal Kit 18-8217 is a replacement seal kit used for Mercruiser sterndrive bellows applications. It is designed to help maintain a watertight seal at the transom assembly, an area where a compromised seal can allow water intrusion into the boat. The kit is finished in white and carries the Sierra Classic style designation, matching the fit and finish expected of Sierra marine parts.\u003c\/p\u003e\u003cp\u003eThis is a compact, single-unit kit (1 count) intended for boat owners and marine technicians performing transom bellows seal maintenance or replacement on Mercruiser sterndrive-equipped boats. As with any transom seal component, it should be inspected and replaced as part of routine sterndrive maintenance to help prevent water intrusion at the transom.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-8217\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Transom Seal Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Classic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Dimensions:\u003c\/strong\u003e 0.39 x 0.39 x 0.39 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.13 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Count:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282305284\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Mercruiser sterndrive bellows\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eMercruiser sterndrive bellows applications.\u003c\/p\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cp\u003eNo OEM cross-reference numbers are specified for this part.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Sierra 18-8217 Transom Seal Kit used for?\u003c\/strong\u003e It is a transom seal kit used for Mercruiser sterndrive bellows applications, helping maintain a watertight seal at the transom assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many pieces come in the 18-8217 kit?\u003c\/strong\u003e The Sierra Transom Seal Kit 18-8217 is supplied as a single unit, with a unit count of 1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat color is the Sierra 18-8217 transom seal?\u003c\/strong\u003e White is the color of the Sierra Transom Seal Kit 18-8217.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of part number 18-8217?\u003c\/strong\u003e The item dimensions of the Sierra Transom Seal Kit 18-8217 are 0.39 x 0.39 x 0.39 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-8217 seal kit weigh?\u003c\/strong\u003e 3.13 pounds is the weight of the Sierra Transom Seal Kit 18-8217.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-8217 an OEM Sierra part or aftermarket?\u003c\/strong\u003e Sierra 18-8217 is manufactured by Sierra as a Classic style transom seal kit, sold under Sierra's own part number.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-8217 kit fit all sterndrive boats?\u003c\/strong\u003e The Sierra Transom Seal Kit 18-8217 is intended for Mercruiser sterndrive bellows applications specifically.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for the Sierra Transom Seal Kit 18-8217?\u003c\/strong\u003e The UPC for this product is 808282305284.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy does a transom seal need to be replaced?\u003c\/strong\u003e A transom seal such as the Sierra 18-8217 can wear or degrade over time, and a compromised seal can allow water intrusion at the transom, so it is a routine maintenance replacement item on sterndrive boats.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat style designation does the 18-8217 carry?\u003c\/strong\u003e The Sierra Transom Seal Kit 18-8217 is listed under Sierra's Classic style designation.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988433383643,"sku":"SIE-18-8217","price":243.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/18-8217__70388.1737874442.500.750.jpg?v=1785189113","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-8217-transom-seal-kit-replaces-mercruiser-30-803097t1-fits-r-mr-alpha-one-1983-1990-alpha-one-ss-1986-1989","provider":"Good Vibes Marina","version":"1.0","type":"link"}