{"product_id":"sierra-18-0384-carburetor-gasket-for-mercury-outboards-replaces-oem-27-89221-1","title":"Sierra Carburetor Gasket 18-0384, Replaces 27-89221-1, Mercury Outboard","description":"\u003cp\u003eThe Sierra Carburetor Gasket 18-0384 is a replacement carburetor gasket sold for Mercury outboard carburetor service and rebuild work. It is used during carburetor overhaul or reassembly to restore a proper seal at the carburetor mounting or body joint, helping prevent air and fuel leaks that can cause rough idle, hard starting, or an inconsistent air\/fuel mixture. This gasket is a genuine Sierra part identified by Sierra part number 18-0384 and is cross-referenced to OEM number 27-89221-1, so it can be ordered as a direct equivalent when that OEM number is called out in a service manual or parts diagram. It is a compact, precision-cut gasket with a small footprint suited to carburetor-body sealing rather than larger engine gaskets, and it ships as an individual gasket rather than a full kit. Because carburetor gaskets are compressed and can take a permanent set once installed, Sierra recommends replacing this gasket any time the carburetor is disassembled rather than reusing the old one. It is intended for Mercury outboard carburetor applications.\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 18-0384\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Carburetor Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Mercury outboard carburetor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces (OEM):\u003c\/strong\u003e 27-89221-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.01 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Dimensions:\u003c\/strong\u003e 0.39 x 0.39 x 0.39 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 030999949622\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits Mercury outboard carburetors that use OEM gasket 27-89221-1.\u003c\/p\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e27-89221-1\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Sierra 18-0384 gasket used for?\u003c\/strong\u003e Sierra 18-0384 is a carburetor gasket used to seal a joint on Mercury outboard carburetors during rebuild or reassembly, helping prevent air and fuel leaks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes 18-0384 replace OEM part 27-89221-1?\u003c\/strong\u003e Yes, Sierra part 18-0384 is the equivalent for OEM number 27-89221-1 and can be ordered in place of that number.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of the 18-0384 carburetor gasket?\u003c\/strong\u003e The gasket measures 0.39 x 0.39 x 0.39 inches, a small, compact size suited to a carburetor body joint rather than a full engine gasket.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-0384 gasket weigh?\u003c\/strong\u003e It weighs 0.01 pounds, consistent with a small individual carburetor gasket.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a genuine Sierra part or an aftermarket copy?\u003c\/strong\u003e 18-0384 is a genuine Sierra-branded carburetor gasket, not a generic aftermarket copy, though it is built to be a direct equivalent to OEM gasket 27-89221-1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I reuse my old carburetor gasket instead of buying 18-0384?\u003c\/strong\u003e It is not recommended; carburetor gaskets like the Sierra 18-0384 take a compression set once installed, so a fresh gasket is needed any time the carburetor is opened up to maintain a proper seal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat comes in the package for part number 18-0384?\u003c\/strong\u003e The listing for Sierra 18-0384 includes the carburetor gasket itself; it is sold as an individual gasket, not a multi-piece kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat engines or applications is the 18-0384 gasket used on?\u003c\/strong\u003e Sierra 18-0384 is intended for Mercury outboard carburetor applications that use OEM gasket 27-89221-1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs Sierra 18-0384 a full carburetor kit or a single gasket?\u003c\/strong\u003e It is a single carburetor gasket, part number 18-0384, not a complete carburetor rebuild kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I know if 18-0384 is the correct gasket for my carburetor?\u003c\/strong\u003e Check your carburetor's parts diagram or old gasket for OEM number 27-89221-1; if that number is listed, Sierra 18-0384 is the correct replacement.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988072771803,"sku":"SIE-18-0384","price":1.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-0384_lg__28686.1558119947.500.750.jpg?v=1785188010","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-0384-carburetor-gasket-for-mercury-outboards-replaces-oem-27-89221-1","provider":"Good Vibes Marina","version":"1.0","type":"link"}