{"product_id":"bearing-housing-gasket-for-evinrude-outboards-sierra-18-2891-replaces-omc-303339","title":"Sierra Bearing Housing Gasket 18-2891, Replaces 324937 and 303339, Evinrude 6 HP, Pack of 2","description":"\u003cp\u003eThe Sierra 18-2891 Bearing Housing Gasket is a replacement gasket engineered for the bearing housing on Evinrude 6 HP outboard motors. It is sold as a package of 2, giving boat owners and technicians a spare on hand for the next service interval or a second unit for a shop stocking multiple repairs. The gasket seals the bearing housing to prevent water intrusion and maintain proper lubrication at the mating surface, a common failure point that leads to water contamination or oil loss if the old gasket has hardened, cracked, or lost its seal over time.\u003c\/p\u003e\u003cp\u003eThis gasket is part of Sierra's Evinrude Outboard Gasket Sets line, built to match OEM dimensions and material specifications so it seats correctly against the original bearing housing without additional trimming or fitting. Because it directly replaces Evinrude part numbers 324937 and 303339, it is a straightforward drop-in swap during a bearing housing service, water pump job, or lower unit rebuild on compatible 6 HP Evinrude outboards.\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 18-2891\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Bearing Housing Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.02 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 030999313980\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Evinrude 6 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Cross Reference:\u003c\/strong\u003e 324937, 303339\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eEvinrude 6 HP outboard motors\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e324937\u003c\/li\u003e\n\u003cli\u003e303339\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-2891 gasket fit?\u003c\/strong\u003e The Sierra 18-2891 Bearing Housing Gasket is designed for Evinrude 6 HP outboard motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes 18-2891 replace OEM part 324937?\u003c\/strong\u003e Yes, Sierra 18-2891 is a direct replacement for Evinrude OEM part number 324937.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes 18-2891 also replace OEM part 303339?\u003c\/strong\u003e Yes, this bearing housing gasket also replaces Evinrude OEM part number 303339.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many gaskets come in a package of 18-2891?\u003c\/strong\u003e Each package of the Sierra 18-2891 Bearing Housing Gasket contains 2 gaskets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-2891 gasket weigh?\u003c\/strong\u003e The Sierra 18-2891 Bearing Housing Gasket weighs 0.02 pounds per package.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-2891 gasket a genuine Sierra part?\u003c\/strong\u003e Yes, 18-2891 is a genuine Sierra Bearing Housing Gasket manufactured to fit Evinrude 6 HP outboards as a direct replacement for OEM numbers 324937 and 303339.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen would I need to replace the bearing housing gasket on my Evinrude 6 HP?\u003c\/strong\u003e A bearing housing gasket like the Sierra 18-2891 should be replaced any time the bearing housing is removed for service, such as during a lower unit rebuild or water pump repair, or if the old gasket shows signs of hardening or cracking.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included with the Sierra 18-2891 purchase?\u003c\/strong\u003e Purchasing the Sierra 18-2891 includes a package of 2 Bearing Housing Gaskets for Evinrude 6 HP outboard motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use 18-2891 on outboards other than the Evinrude 6 HP?\u003c\/strong\u003e The Sierra 18-2891 Bearing Housing Gasket is specified for Evinrude 6 HP outboard motors; fitment on other models is not confirmed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for the Sierra 18-2891 gasket?\u003c\/strong\u003e The Sierra 18-2891 Bearing Housing Gasket carries UPC 030999313980.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988132802779,"sku":"SIE-18-2891","price":3.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-2891_lg__47027.1709562521.500.750.jpg?v=1785329151","url":"https:\/\/www.goodvibesmarina.com\/products\/bearing-housing-gasket-for-evinrude-outboards-sierra-18-2891-replaces-omc-303339","provider":"Good Vibes Marina","version":"1.0","type":"link"}