{"title":"Carburetors","description":null,"products":[{"product_id":"mercarb-2v-marine-carburetor-for-mercruiser-4-3l-2002-2004-replaces-3310-864941a01-new-casting-gasket-included","title":"Sierra 18-7373N Mercarb 2V Carburetor, Replaces Mercruiser 3310-864941A01, for 2002-2004 4.3L Engines","description":"\u003cp\u003eThe Sierra 18-7373N is a new-casting, non-remanufactured Mercarb style 2-barrel (2V) carburetor built for Mercruiser stern drive applications. Unlike rebuilt cores, this unit is produced from new castings engineered to meet or exceed original equipment specifications, then flow-tested across the entire throttle range to confirm consistent performance. Fuel mixture and idle settings are pre-set at the factory, so only minor idle and choke adjustments are typically needed during installation, reducing setup time compared to a used or rebuilt core.\u003c\/p\u003e\u003cp\u003eThis carburetor is designed as a direct replacement for Mercruiser 3310-864941A01 and is intended for 2002-2004 4.3L engines within serial number range OM615000-OW300012. A gasket is included with the unit; if a replacement gasket is needed later, use Sierra part number 18-0994. For a full rebuild rather than a direct-replacement carburetor, Sierra also offers replacement carburetor kit 18-7098-1 for this application.\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 18-7373N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Mercarb style 2V carburetor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCasting Type:\u003c\/strong\u003e New casting, non-remanufactured\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Included:\u003c\/strong\u003e Yes; replacement gasket is Sierra 18-0994\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Rebuild Kit:\u003c\/strong\u003e Sierra 18-7098-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit Type:\u003c\/strong\u003e Universal fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.18 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282303891\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eMercruiser 2002-2004 4.3L engines, serial number range OM615000-OW300012\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eMercruiser 3310-864941A01\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-7373N carburetor replace?\u003c\/strong\u003e It is a direct replacement for Mercruiser part number 3310-864941A01.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich engines is the 18-7373N carburetor designed for?\u003c\/strong\u003e It fits Mercruiser 2002-2004 4.3L engines within serial number range OM615000-OW300012.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a new or remanufactured carburetor?\u003c\/strong\u003e The 18-7373N is a new casting, non-remanufactured carburetor, not a rebuilt core.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-7373N come with a gasket?\u003c\/strong\u003e Yes, a gasket is included with the Sierra 18-7373N carburetor; the replacement gasket part number is Sierra 18-0994.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the carburetor need adjustment after installation?\u003c\/strong\u003e Fuel mixture and idle settings on the 18-7373N are pre-set at the factory, so typically only minor idle and choke adjustments are needed during installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a rebuild kit alternative to buying the full 18-7373N carburetor?\u003c\/strong\u003e Yes, Sierra offers replacement carburetor kit 18-7098-1 for engines that use the 3310-864941A01 style carburetor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-7373N carburetor weigh?\u003c\/strong\u003e The Sierra 18-7373N weighs 4.18 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat type of carburetor design is the 18-7373N?\u003c\/strong\u003e It is a Mercarb style 2-barrel (2V) carburetor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat finish does the 18-7373N carburetor have?\u003c\/strong\u003e It has a machined finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is the 18-7373N tested before it ships?\u003c\/strong\u003e Each 18-7373N carburetor is flow-tested throughout the entire throttle range to verify performance before it leaves the factory.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-7373N carburetor calibrated for fuel efficiency?\u003c\/strong\u003e Yes, the 18-7373N is calibrated and engineered to help maximize fuel efficiency and performance in its 4.3L Mercruiser application.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988384362715,"sku":"SIE-18-7373N","price":392.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-7373N__84466.1753467382.500.750.jpg?v=1785188475"},{"product_id":"sierra-18-7370n-marine-carburetor-for-mercruiser-120-2-5l-140-3-0l-inboard-engines-replaces-3310-860070a2-base-gasket-included","title":"Sierra Carburetor 18-7370N, Replaces 3310-864942A01 and 3310-861448A1, for 1998-2004 MCM 5.0L","description":"\u003cp\u003eThe Sierra 18-7370N is a complete replacement carburetor built for 1998-2004 MCM 5.0L marine engines. It is manufactured as an all-new anodized aluminum casting rather than a remanufactured unit, eliminating the reliability concerns that come with rebuilding older red-cast carburetors after years of exposure to the harsh marine environment. Each unit is flow tested throughout its entire throttle range before it ships, and the fuel mixture and idle settings are preset from the factory, so installation typically requires only minor idle and choke adjustments.\u003c\/p\u003e\u003cp\u003eThe 18-7370N carburetor meets or exceeds OEM specifications and is designed to bolt directly in place of the original equipment carburetor on applicable 1998-2004 MCM 5.0L engines. A base gasket is included with the carburetor for installation; Sierra specifies replacement gasket 18-0994 for future gasket service on this application.\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 18-7370N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Carburetor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 1998-2004 MCM 5.0L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e New anodized aluminum casting (non-remanufactured)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Type:\u003c\/strong\u003e Bolt On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket:\u003c\/strong\u003e Base gasket included; use replacement gasket 18-0994 for future service\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.41 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282339906\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1998-2004 MCM 5.0L\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3310-864942A01\u003c\/li\u003e\n\u003cli\u003e3310-861448A1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the Sierra 18-7370N carburetor fit?\u003c\/strong\u003e The 18-7370N is built for 1998-2004 MCM 5.0L marine engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part numbers does the 18-7370N replace?\u003c\/strong\u003e It replaces OEM carburetors numbered 3310-864942A01 and 3310-861448A1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a remanufactured or new carburetor?\u003c\/strong\u003e The 18-7370N is a completely new anodized aluminum casting, not a remanufactured unit, which avoids the durability issues common with rebuilt red-cast carburetors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-7370N come with a gasket?\u003c\/strong\u003e Yes, a base gasket is included with the 18-7370N carburetor at installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat gasket should I use if I need a replacement later?\u003c\/strong\u003e For future gasket service on the 18-7370N, Sierra specifies replacement gasket 18-0994.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-7370N carburetor weigh?\u003c\/strong\u003e The 18-7370N carburetor weighs 4.41 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the fuel mixture and idle settings preset on the 18-7370N?\u003c\/strong\u003e Yes, the fuel mixture and idle settings on the 18-7370N are preset at the factory, so only minor idle and choke adjustments are typically needed after installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-7370N tested before it ships?\u003c\/strong\u003e Each 18-7370N carburetor is flow tested throughout its entire throttle range before leaving the factory.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the flange type on this carburetor?\u003c\/strong\u003e The 18-7370N uses a bolt-on flange type.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-7370N meet OEM specifications?\u003c\/strong\u003e The 18-7370N meets or exceeds OEM specifications for the 1998-2004 MCM 5.0L application it is built for.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat finish does the 18-7370N carburetor have?\u003c\/strong\u003e The 18-7370N has a machined finish on its anodized aluminum casting.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988384493787,"sku":"SIE-18-7370N","price":340.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-7370N__12097.1753214488.500.750.jpg?v=1785188061"},{"product_id":"marine-carburetor-for-1998-2004-mercruiser-5-0l-replaces-oem-3310-864942a01-3310-861448a1-sierra-18-7375n-new-gasket-included","title":"Sierra Carburetor 18-7375N, Replaces 3310-864942A01, Fits 1998-2004 MCM 5.0L","description":"\u003cp\u003eThe Sierra 18-7375N is a new-casting, non-remanufactured carburetor built for 1998-2004 MCM 5.0L marine engines. As a new casting rather than a remanufactured core, it eliminates the wear, corrosion, and prior-repair variability that can come with rebuilt units, giving you a fresh base for reliable fuel metering and consistent engine performance. A gasket is included with the carburetor; if a replacement is ever needed, Sierra specifies gasket 18-0994 as the correct part. For owners who prefer to rebuild an existing carburetor rather than replace it outright, Sierra also offers rebuild kit 18-7098-1 as the matching kit for this carburetor family.\u003c\/p\u003e\u003cp\u003eThis carburetor is designed specifically for 1998-2004 MCM 5.0L applications, so it is intended as a direct fitment replacement for engines in that range rather than a universal part. It cross-references to OEM numbers 3310-864942A01 and 3310-861448A1, making it a straightforward swap for boat owners and marine technicians replacing a failed, worn, or leaking original carburetor. Weighing 4.18 pounds, it ships ready to install with its included gasket.\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 18-7375N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Carburetor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e New casting, non-remanufactured\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Included:\u003c\/strong\u003e Yes (replacement gasket 18-0994)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Rebuild Kit:\u003c\/strong\u003e 18-7098-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 1998-2004 MCM 5.0L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.18 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282339913\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine Parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1998-2004 MCM 5.0L\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3310-864942A01\u003c\/li\u003e\n\u003cli\u003e3310-861448A1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the Sierra 18-7375N carburetor fit?\u003c\/strong\u003e The Sierra 18-7375N carburetor is built for 1998-2004 MCM 5.0L engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-7375N a remanufactured carburetor?\u003c\/strong\u003e No. The 18-7375N is a new casting, not a remanufactured unit, so it is not built on a used core.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part numbers does the 18-7375N replace?\u003c\/strong\u003e The 18-7375N cross-references to OEM numbers 3310-864942A01 and 3310-861448A1, making it a direct replacement for carburetors bearing those numbers on 1998-2004 MCM 5.0L engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-7375N come with a gasket?\u003c\/strong\u003e Yes, a gasket is included with the 18-7375N carburetor. If a replacement is ever needed, use gasket 18-0994.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-7375N carburetor weigh?\u003c\/strong\u003e The Sierra 18-7375N weighs 4.18 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the 18-7375N be rebuilt instead of replaced?\u003c\/strong\u003e Yes. For engines using this carburetor, Sierra offers rebuild kit 18-7098-1 as the matching kit if you prefer to rebuild rather than replace the unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-7375N a genuine Sierra part or an aftermarket copy?\u003c\/strong\u003e The 18-7375N is a genuine Sierra Marine part, sold under the Sierra brand with the part number 18-7375N.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 18-7375N and the 18-7370N carburetors?\u003c\/strong\u003e The 18-7375N is fitted to 1998-2004 MCM 5.0L engines and cross-references 3310-864942A01 and 3310-861448A1, while the 18-7370N is a different carburetor fitted to MCM 120\/2.5L and 140\/3.0L engines with its own separate set of OEM cross-reference numbers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included when I order the 18-7375N carburetor?\u003c\/strong\u003e Ordering the Sierra 18-7375N includes the carburetor itself along with an included gasket for installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the 18-7375N work on engines outside the 1998-2004 MCM 5.0L range?\u003c\/strong\u003e The 18-7375N is specified for 1998-2004 MCM 5.0L engines; fitment outside that stated range is not confirmed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat category of part is the Sierra 18-7375N?\u003c\/strong\u003e The 18-7375N is listed as an engine part, specifically a carburetor, for 1998-2004 MCM 5.0L applications.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988384559323,"sku":"SIE-18-7375N","price":392.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-7375N__16822.1558186217.500.750.jpg?v=1785329152"},{"product_id":"sierra-18-7376n-marine-carburetor-for-1998-newer-mercruiser-5-7l-replaces-3310-864943a01-new-aluminum-casting","title":"Sierra Carburetor 18-7376N, Replaces 3310-864943A01 and 3310-861245A1, for 1998 and Newer 5.7L Engines","description":"\u003cp\u003eThe Sierra 18-7376N is a carburetor built on a new anodized aluminum casting rather than a remanufactured core, which sidesteps the difficulty of rebuilding older red-cast marine carburetor bodies that have been exposed to harsh marine environments over time. Each unit is flow tested across the entire throttle range before it leaves the factory, and the fuel mixture and idle settings are preset so that only minor idle and choke adjustments are typically needed at installation. The finish is machined for a clean, precise fit at the mounting flange.\u003c\/p\u003e\u003cp\u003eThis carburetor is built for 1998 and newer 5.7L applications, and covers MCM 5.7L engines within serial number range 0L010037-0W300754 as well as MIE\/Tow Sports 5.7L engines within serial number range 0L002003-0W090899. A base gasket is included with the carburetor, and Sierra specifies gasket 18-0994 as the replacement gasket for future service. The 18-7376N is designed to meet or exceed OEM specifications for fit, function, and durability.\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 18-7376N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Carburetor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e New anodized aluminum casting (non-remanufactured)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Finish:\u003c\/strong\u003e Machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.2 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e Carburetor with base gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Gasket:\u003c\/strong\u003e 18-0994\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282339920\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1998 and newer 5.7L applications\u003c\/li\u003e\n\u003cli\u003eMCM 5.7L, serial numbers 0L010037-0W300754\u003c\/li\u003e\n\u003cli\u003eMIE\/Tow Sports 5.7L, serial numbers 0L002003-0W090899\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3310-864943A01\u003c\/li\u003e\n\u003cli\u003e3310-861245A1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the Sierra 18-7376N carburetor fit?\u003c\/strong\u003e The 18-7376N is built for 1998 and newer 5.7L applications, covering MCM 5.7L engines in serial number range 0L010037-0W300754 and MIE\/Tow Sports 5.7L engines in serial number range 0L002003-0W090899.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs a gasket included with the 18-7376N carburetor?\u003c\/strong\u003e Yes, the Sierra 18-7376N ships with its base gasket included, so no separate gasket purchase is needed for the initial installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part numbers does the 18-7376N replace?\u003c\/strong\u003e It replaces OEM numbers 3310-864943A01 and 3310-861245A1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-7376N a new or remanufactured carburetor?\u003c\/strong\u003e It is a new, non-remanufactured unit built on a new anodized aluminum casting, not a rebuilt core.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the 18-7376N carburetor made of?\u003c\/strong\u003e The carburetor body is a new anodized aluminum casting with a machined exterior finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-7376N need adjustment after installation?\u003c\/strong\u003e The fuel mixture and idle settings on the 18-7376N are preset from the factory, so typically only minor idle and choke adjustments are needed after it is installed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-7376N carburetor weigh?\u003c\/strong\u003e The 18-7376N weighs 4.2 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat gasket should I use if I need to replace the one included with the 18-7376N?\u003c\/strong\u003e Sierra specifies gasket 18-0994 as the replacement gasket for the 18-7376N carburetor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs every 18-7376N carburetor tested before it ships?\u003c\/strong\u003e Yes, each 18-7376N is flow tested throughout the entire throttle range before leaving the factory.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-7376N meet OEM specifications?\u003c\/strong\u003e The 18-7376N is designed to meet or exceed OEM specifications for fit, function, and performance on its listed 1998-and-newer 5.7L applications.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988384592091,"sku":"SIE-18-7376N","price":404.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-7376N__13268.1753450422.500.750.jpg?v=1785188610"},{"product_id":"remanufactured-4-barrel-rochester-marine-carburetor-for-mercruiser-replaces-1347-9661a3-sierra-18-7605-1","title":"Sierra Carburetor 18-7605-1 - Replaces 17057283, 17057285 - Mercruiser","description":"\u003cp\u003eThe Sierra 18-7605-1 is a replacement carburetor engineered for Mercruiser applications. This is a direct-fit unit designed to restore proper fuel-air metering and engine performance for the specific Mercruiser engines that originally used the OEM carburetors it replaces. It is built to Sierra's marine-parts standards, giving boat owners and marine technicians a dependable option for a carburetor rebuild or replacement job without sourcing a hard-to-find original-equipment part.\u003c\/p\u003e\u003cp\u003eBecause carburetors are precision fuel-metering assemblies, using the correct part number is critical to proper engine operation. The Sierra 18-7605-1 is cross-referenced to the OEM part numbers it replaces, so buyers can confirm compatibility against their engine's existing carburetor before ordering. As with any carburetor replacement, verify the OEM number stamped on your current unit against the cross-reference list below prior to purchase.\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 18-7605-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Mercruiser Carburetors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 10.05 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282241353\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eMercruiser applications using OEM carburetor numbers 17057283 or 17057285.\u003c\/p\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e17057283\u003c\/li\u003e\n\u003cli\u003e17057285\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the part number for this carburetor?\u003c\/strong\u003e The Sierra manufacturer part number is 18-7605-1, a carburetor for Mercruiser applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM carburetors does the 18-7605-1 replace?\u003c\/strong\u003e It cross-references to OEM numbers 17057283 and 17057285, so it can be used in place of either of those original carburetors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a genuine Sierra part or an aftermarket copy?\u003c\/strong\u003e This is a Sierra-branded carburetor, part number 18-7605-1, sold as Sierra's own replacement part rather than a generic aftermarket copy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-7605-1 carburetor weigh?\u003c\/strong\u003e It weighs 10.05 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat engines is this carburetor designed for?\u003c\/strong\u003e The 18-7605-1 is listed in the Mercruiser Carburetors category and is intended for Mercruiser engines that originally used OEM carburetor 17057283 or 17057285.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I know if 18-7605-1 is the right carburetor for my boat?\u003c\/strong\u003e Check the OEM part number on your existing carburetor against 17057283 or 17057285; if it matches either number, the Sierra 18-7605-1 is the correct replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this carburetor come as a complete assembly?\u003c\/strong\u003e The 18-7605-1 is sold as a complete carburetor assembly rather than a rebuild kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for the Sierra 18-7605-1 carburetor?\u003c\/strong\u003e The UPC is 808282241353.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre 17057283 and 17057285 interchangeable with each other?\u003c\/strong\u003e Both OEM numbers, 17057283 and 17057285, cross-reference to the same Sierra replacement, part number 18-7605-1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs installation of the 18-7605-1 carburetor something I can do myself?\u003c\/strong\u003e Carburetor replacement on a Mercruiser engine is a mechanical job typically performed by boat owners with engine repair experience or a marine technician; the 18-7605-1 is a direct-fit replacement for the OEM units it cross-references.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988385673435,"sku":"SIE-18-7605-1","price":867.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-7605-1_lg__48507.1558130113.500.750.jpg?v=1785329153"},{"product_id":"remanufactured-4-barrel-rochester-marine-carburetor-for-mercruiser-replaces-1347-816373a4-1347-804624r1-mpn-18-7615-1","title":"Sierra 18-7615-1 Remanufactured Quadrajet Carburetor, Replaces 1347-816373A4 for Mercruiser \u0026 OMC Engines","description":"\u003cp\u003eThe Sierra 18-7615-1 is a remanufactured Rochester Quadrajet 4-barrel carburetor built for Mercruiser and OMC engines. Each unit is precision remanufactured to meet or exceed OEM specifications, with the base resurfaced and new throttle shaft bushings installed during the rebuild process. Fuel mixture and idle settings are preset at the factory, so only minor idle and choke adjustments are typically needed once installed.\u003c\/p\u003e\u003cp\u003eEvery carburetor is recalibrated and re-engineered to maximize fuel efficiency and performance, then flow tested throughout the entire throttle range to verify correct operation before it ships. A base gasket is included with the carburetor, and a replacement gasket is available separately for future service. This is a direct-fit replacement carburetor intended for engines originally equipped with the OEM units 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 18-7615-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Carburetor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarburetor Style:\u003c\/strong\u003e Rochester Quadrajet, 4 Barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Remanufactured\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Gasket:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engines:\u003c\/strong\u003e Mercruiser \u0026amp; OMC Engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 10.1 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Cross-Reference:\u003c\/strong\u003e 1347-816373A4, 1347-804624R1, 1347-804624R02\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eMercruiser \u0026amp; OMC Engines\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1347-816373A4\u003c\/li\u003e\n\u003cli\u003e1347-804624R1\u003c\/li\u003e\n\u003cli\u003e1347-804624R02\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the Sierra 18-7615-1 carburetor fit?\u003c\/strong\u003e The Sierra 18-7615-1 is built for Mercruiser and OMC engines as a direct replacement carburetor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-7615-1 a new or remanufactured carburetor?\u003c\/strong\u003e It is remanufactured: the base is resurfaced, new throttle shaft bushings are installed, and the unit is precision rebuilt to meet or exceed OEM specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part numbers does the 18-7615-1 replace?\u003c\/strong\u003e The Sierra 18-7615-1 replaces OEM numbers 1347-816373A4, 1347-804624R1, and 1347-804624R02.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the carburetor come with a gasket?\u003c\/strong\u003e Yes, a base gasket is included with the Sierra 18-7615-1 carburetor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat type of carburetor is the 18-7615-1?\u003c\/strong\u003e It is a Rochester Quadrajet style 4-barrel carburetor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill I need to adjust the carburetor after installing it?\u003c\/strong\u003e Fuel mixture and idle settings on the 18-7615-1 are preset at the factory, so typically only minor idle and choke adjustments are needed after installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-7615-1 carburetor weigh?\u003c\/strong\u003e The Sierra 18-7615-1 weighs 10.1 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-7615-1 tested before it ships?\u003c\/strong\u003e Every Sierra 18-7615-1 carburetor is flow tested throughout the entire throttle range before shipping.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does the remanufactured 18-7615-1 compare to a used OEM carburetor?\u003c\/strong\u003e The 18-7615-1 is recalibrated and re-engineered to maximize fuel efficiency and performance, and it is precision remanufactured to meet or exceed original OEM specifications, unlike an untested used unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs a rebuild kit available for the 18-7615-1 if I need to service it later?\u003c\/strong\u003e Yes, a replacement carburetor kit is available separately for the Sierra 18-7615-1, along with a separate replacement gasket for future service.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988385902811,"sku":"SIE-18-7615-1","price":741.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-7615-1_lg__13359.1558130574.500.750.jpg?v=1785188153"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/collections\/SIE-18-7615-1_lg__13359.1558130574.500.750.jpg?v=1785356549","url":"https:\/\/www.goodvibesmarina.com\/collections\/gvcat-engine-parts-systems-fuel-system-carburetors-carburetors.oembed","provider":"Good Vibes Marina","version":"1.0","type":"link"}