{"product_id":"sierra-18-21005-gimbal-bearing-replaces-mercruiser-30-862540a3-fits-all-bravo-alpha-one-gen-ii-1998-up","title":"Sierra Gimbal Bearing 18-21005, White - Replaces Mercruiser 30-862540A3, Mallory 9-72412","description":"\u003cp\u003eThe Sierra 18-21005 Gimbal Bearing is a replacement gimbal bearing engineered to meet or exceed original equipment quality. It supports the engine coupler shaft where the outdrive connects to the transom assembly, allowing the drive to pivot for steering while carrying the rotating load from the engine. The bearing is finished in white and constructed of alloy steel for durability in the marine drive environment, and it is designed to run with grease as the compatible lubricant.\u003c\/p\u003e\u003cp\u003eThis gimbal bearing is a direct interchange for several widely used OEM and aftermarket part numbers, making it a straightforward swap when replacing a worn or failed gimbal bearing on compatible sterndrive setups. Each Sierra part is built to match or exceed the fit, form, and function of the original part it replaces.\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 18-21005\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Type:\u003c\/strong\u003e Gimbal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Dimensions:\u003c\/strong\u003e 4.25 x 4.25 x 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.26 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282188474\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lubricant:\u003c\/strong\u003e Grease\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Cross-Reference:\u003c\/strong\u003e Mallory 9-72412, Mercruiser 30-862540A3, 30-879194A01, 30-862540T1, 30-862540A04\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMallory 9-72412\u003c\/li\u003e\n\u003cli\u003eMercruiser 30-862540A3\u003c\/li\u003e\n\u003cli\u003eMercruiser 30-879194A01\u003c\/li\u003e\n\u003cli\u003eMercruiser 30-862540T1\u003c\/li\u003e\n\u003cli\u003eMercruiser 30-862540A04\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Sierra 18-21005 Gimbal Bearing used for?\u003c\/strong\u003e It supports the coupler shaft connecting the engine to the outdrive, allowing the drive to pivot for steering while carrying the rotating load between the engine and sterndrive. The Sierra 18-21005 is built to meet or exceed original equipment quality for this application.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-21005 a direct replacement for the OEM gimbal bearing?\u003c\/strong\u003e Yes, the Sierra 18-21005 is interchangeable with Mallory 9-72412 and Mercruiser 30-862540A3, 30-879194A01, 30-862540T1, and 30-862540A04, so it installs as a direct swap for any of those part numbers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of the Sierra 18-21005 Gimbal Bearing?\u003c\/strong\u003e The bearing measures 4.25 x 4.25 x 2 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-21005 Gimbal Bearing weigh?\u003c\/strong\u003e It weighs 1.26 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the Sierra 18-21005 Gimbal Bearing made of?\u003c\/strong\u003e Alloy steel is the construction material, chosen for durability in a marine drive environment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat color is the Sierra 18-21005 Gimbal Bearing?\u003c\/strong\u003e It is finished in white.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat lubricant should be used with the Sierra 18-21005 Gimbal Bearing?\u003c\/strong\u003e Grease is the compatible lubricant for this gimbal bearing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich OEM part numbers does the Sierra 18-21005 replace?\u003c\/strong\u003e This bearing replaces Mallory 9-72412 and Mercruiser 30-862540A3, 30-879194A01, 30-862540T1, and 30-862540A04.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-21005 genuine Sierra or an aftermarket copy?\u003c\/strong\u003e It is a genuine Sierra part, part number 18-21005, manufactured to meet or exceed the quality of the original equipment part it replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many gimbal bearings come in the package?\u003c\/strong\u003e The Sierra 18-21005 is sold as a single gimbal bearing unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat UPC is associated with the Sierra 18-21005 Gimbal Bearing?\u003c\/strong\u003e The UPC for this part is 808282188474.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Sierra 18-21005 come with a warranty?\u003c\/strong\u003e Yes, the Sierra 18-21005 Gimbal Bearing is covered by a limited warranty.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988091744475,"sku":"SIE-18-21005","price":88.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/18-21005__56763.1558323002.500.750.jpg?v=1785188204","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-21005-gimbal-bearing-replaces-mercruiser-30-862540a3-fits-all-bravo-alpha-one-gen-ii-1998-up","provider":"Good Vibes Marina","version":"1.0","type":"link"}