{"product_id":"sierra-18-7749-carburetor-kit-for-weber-marine-carburetors-replaces-mercruiser-809065-823728-and-carter-weber-9661-9770-9781","title":"Sierra 18-7749 Carburetor Kit for Weber 9661 Carburetor, Mercruiser 5.7L Alpha 350 V-8 1993-1994","description":"\u003cp\u003eThe Sierra 18-7749 Carburetor Kit is a rebuild kit engineered to restore a Weber 9661 carburetor to proper operating condition. It is built to fit Weber carburetors and is designed to meet or exceed the quality of the original equipment part it replaces, making it a dependable choice for restoring fuel metering, idle quality, and throttle response on the carburetor it services.\u003c\/p\u003e\u003cp\u003eThis kit corresponds to the 5.7L Alpha 350 cubic inch V-8 engine covered under beginning serial number F000455 through ending serial number F273497, where the original carburetor part number is 3310-805484A1 and the carburetor code\/model is 9661 Weber. Rebuilding with the correct kit ensures the gaskets, seals, and internal components are matched to this specific carburetor rather than a generic substitute, which helps preserve a proper air\/fuel seal and consistent engine performance after installation.\u003c\/p\u003e\u003cp\u003eEach kit is manufactured with a machined exterior finish and is packaged to supply the parts needed for a complete carburetor rebuild on the applicable Weber 9661 unit. Because carburetor kits are matched to a specific carburetor code and serial number range, confirming the original carburetor part number and serial number on the engine before ordering helps ensure the correct kit is purchased.\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 18-7749\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Carburetor Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Carburetor Code\/Model:\u003c\/strong\u003e 9661 Weber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal Carburetor Part Number:\u003c\/strong\u003e 3310-805484A1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine\/Drive Fitment:\u003c\/strong\u003e 5.7L Alpha 350\/V-8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Years:\u003c\/strong\u003e 1993-1994\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeginning Serial Number:\u003c\/strong\u003e F000455\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnding Serial Number:\u003c\/strong\u003e F273497\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Finish:\u003c\/strong\u003e Machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Dimensions:\u003c\/strong\u003e 1.75 x 6.25 x 7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.21 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282244712\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5.7L Alpha 350\/V-8, model years 1993-1994, serial number range F000455 to F273497\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCarter\/Weber 9661\u003c\/li\u003e\n\u003cli\u003eCarter\/Weber 9770\u003c\/li\u003e\n\u003cli\u003eCarter\/Weber 9781\u003c\/li\u003e\n\u003cli\u003eCarter\/Weber 9770SA\u003c\/li\u003e\n\u003cli\u003eCarter\/Weber 9781S\u003c\/li\u003e\n\u003cli\u003eMallory 9-37640\u003c\/li\u003e\n\u003cli\u003eMercruiser 809065\u003c\/li\u003e\n\u003cli\u003eMercruiser 823728\u003c\/li\u003e\n\u003cli\u003eMercruiser 835076\u003c\/li\u003e\n\u003cli\u003eMercruiser 8M0120192\u003c\/li\u003e\n\u003cli\u003eMercruiser 811531\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Sierra 18-7749 Carburetor Kit for?\u003c\/strong\u003e It is a rebuild kit for the Weber 9661 carburetor used on the 5.7L Alpha 350\/V-8 engine, covering the serial number range F000455 to F273497, and is built to restore the carburetor to proper operating condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the 18-7749 kit fit my engine?\u003c\/strong\u003e The 18-7749 kit is matched to engines with the original carburetor part number 3310-805484A1 and carburetor code 9661 Weber, on the 5.7L Alpha 350\/V-8 covering serial numbers F000455 through F273497. Confirming the original carburetor part number and engine serial number is the reliable way to verify fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part numbers does the 18-7749 kit cross-reference?\u003c\/strong\u003e The Sierra 18-7749 is interchangeable with Carter\/Weber 9661, 9770, 9781, 9770SA, and 9781S, Mallory 9-37640, and Mercruiser 809065, 823728, 835076, 8M0120192, and 811531.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-7749 carburetor kit weigh?\u003c\/strong\u003e The Sierra 18-7749 Carburetor Kit weighs 0.21 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of the carburetor kit packaging?\u003c\/strong\u003e The 18-7749 carburetor kit measures 1.75 x 6.25 x 7 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-7749 kit genuine OEM or aftermarket?\u003c\/strong\u003e The 18-7749 is a Sierra-brand aftermarket carburetor kit engineered to meet or exceed the quality of the original equipment carburetor components it replaces, rather than a Mercruiser or Weber OEM part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat finish does the kit's exterior have?\u003c\/strong\u003e The components in the Sierra 18-7749 kit have a machined exterior finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-7749 kit work with a Carter carburetor as well as a Weber?\u003c\/strong\u003e Yes, the 18-7749 kit is interchangeable with Carter\/Weber-coded units 9661, 9770, 9781, 9770SA, and 9781S in addition to the original Weber 9661 application.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat serial number range does the 18-7749 kit cover?\u003c\/strong\u003e This kit applies to the engine serial number range beginning at F000455 and ending at F273497 for the 5.7L Alpha 350\/V-8.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the original carburetor part number this kit services?\u003c\/strong\u003e The 18-7749 kit is built for carburetors with original part number 3310-805484A1, carried under carburetor code 9661 Weber.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988387213531,"sku":"SIE-18-7749","price":103.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-7749_lg__32416.1558130503.500.750.jpg?v=1785188252","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-7749-carburetor-kit-for-weber-marine-carburetors-replaces-mercruiser-809065-823728-and-carter-weber-9661-9770-9781","provider":"Good Vibes Marina","version":"1.0","type":"link"}