{"product_id":"sierra-18-2062-lower-oil-seal-replaces-omc-evinrude-329922-outboard-gearcase-driveshaft-seal","title":"Sierra 18-2062 Oil Seal - Replaces OMC 329923","description":"\u003cp\u003eThe Sierra 18-2062 is a precision oil seal built to the OMC 329923 specification, used to retain lubricant and keep out water and debris at a rotating shaft interface. It is manufactured with a machined exterior finish for a consistent, reliable sealing surface at the housing bore.\u003c\/p\u003e\u003cp\u003eThis seal is sized with a 1.375 inch outer diameter, a 0.875 inch shaft size, and a 0.207 inch width, matching the dimensions of the original OMC 329923 seal it replaces. Because it is built to the OEM 329923 specification, it installs as a direct, drop-in replacement without modification. At 0.02 pounds, it is a small, lightweight component intended for straightforward replacement during routine maintenance or seal repair.\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 18-2062\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Cross-Reference:\u003c\/strong\u003e OMC 329923\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 1.375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Size:\u003c\/strong\u003e 0.875 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 0.207 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Finish:\u003c\/strong\u003e Machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.02 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eOMC 329923\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-2062 oil seal replace?\u003c\/strong\u003e OMC 329923 is the OEM number the Sierra 18-2062 oil seal replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of this oil seal?\u003c\/strong\u003e The 18-2062 measures 1.375 inches outer diameter, 0.875 inch shaft size, and 0.207 inch width.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-2062 weigh?\u003c\/strong\u003e 0.02 pounds is the weight of the Sierra 18-2062 oil seal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the exterior finish on this seal?\u003c\/strong\u003e Machined is the exterior finish on the Sierra 18-2062 oil seal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a genuine Sierra part or a generic copy?\u003c\/strong\u003e The 18-2062 is a genuine Sierra International oil seal, built to the OMC 329923 specification rather than a generic aftermarket copy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat shaft size does this seal fit?\u003c\/strong\u003e 0.875 inch is the shaft size the Sierra 18-2062 oil seal is designed to fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan this seal be used anywhere OMC 329923 was originally installed?\u003c\/strong\u003e Any application originally fitted with OMC 329923 can use the Sierra 18-2062 as a direct replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat comes in the box with this order?\u003c\/strong\u003e One Sierra 18-2062 oil seal ships per order, ready for direct installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does this seal differ from a generic oil seal?\u003c\/strong\u003e Unlike unbranded seals, the Sierra 18-2062 is manufactured to match the OMC 329923 OEM specification exactly, so the outer diameter, shaft size, and width are correct for the application.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the outer diameter of the 18-2062 seal?\u003c\/strong\u003e 1.375 inches is the outer diameter (OD) of the Sierra 18-2062 oil seal.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988091384027,"sku":"SIE-18-2062","price":8.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/18-2062__30613.1722504964.500.750.jpg?v=1785188855","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-2062-lower-oil-seal-replaces-omc-evinrude-329922-outboard-gearcase-driveshaft-seal","provider":"Good Vibes Marina","version":"1.0","type":"link"}