{"product_id":"3g2-03100-2-carburetor-assembly-for-mercury-mariner-tohatsu-nissan-m9-9-m15-m18-ns9-9d2-ns15d2-ns18e2-jlm-marine","title":"3G2-03100-2 Carburetor Assembly for Mercury Mariner Tohatsu Nissan M9.9 M15 M18 NS9.9D2 NS15D2 NS18E2 | JLM Marine","description":"\u003ch2\u003e3G2-03100-2 Carburetor Assembly for Mercury Mariner Tohatsu Nissan M9.9 M15 M18 NS9.9D2 NS15D2 NS18E2\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket replacement carburetor assembly is engineered for \u003cstrong\u003eMercury Mariner 9.9 HP, 15 HP, and 18 HP 2-stroke\u003c\/strong\u003e outboard engines, as well as compatible \u003cstrong\u003eTohatsu and Nissan M9.9, M15, M18, NS9.9D2, NS15D2, and NS18E2\u003c\/strong\u003e models from 2003 onward. It delivers reliable fuel delivery and precise air-fuel mixing for consistent engine performance.\u003c\/p\u003e\n\u003cp\u003eThis carburetor directly replaces OEM part number \u003cstrong\u003e3G2-03100-2\u003c\/strong\u003e and supersedes multiple earlier versions including 3G2-03100-0M, 3G2-03100-1M, and 3G2-03100-2M, offering broad compatibility across Mercury, Tohatsu, and Nissan 2-stroke outboards.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes carburetor assembly and mounting gasket (27-803699001)\u003c\/li\u003e\n\u003cli\u003eDesigned for 2-stroke outboard engines only\u003c\/li\u003e\n\u003cli\u003eVerify OEM part number and photos before purchase—older pre-1996 models may require different carburetors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eSuperseded By\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3G2031000M\u003c\/td\u003e\n\u003ctd\u003e3G2031005M\u003c\/td\u003e\n\u003ctd\u003eCarburetor Assy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3G2031001M\u003c\/td\u003e\n\u003ctd\u003e3G2031005M\u003c\/td\u003e\n\u003ctd\u003eCarburetor Assy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3G2031002M\u003c\/td\u003e\n\u003ctd\u003e3G2031005M\u003c\/td\u003e\n\u003ctd\u003eCarburetor Assy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3G2031003M\u003c\/td\u003e\n\u003ctd\u003e3G2031005M\u003c\/td\u003e\n\u003ctd\u003eCarburetor Assy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3G2031004M\u003c\/td\u003e\n\u003ctd\u003e3G2031005M\u003c\/td\u003e\n\u003ctd\u003eCarburetor Assy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3G2031005M\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eCurrent Carburetor Assy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003e3G2-03100-2\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eOEM Reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003e9.9 HP \/ 15 HP \/ 18 HP\u003c\/td\u003e\n\u003ctd\u003e9.9 \/ 15 \/ 18\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003+\u003c\/td\u003e\n\u003ctd\u003ePre-1996 models use different carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM9.9, M15, M18 series\u003c\/td\u003e\n\u003ctd\u003e9.9 \/ 15 \/ 18\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003eCARBURETOR - FUEL FILTER section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM9.9D2\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003eCARBURETOR - FUEL FILTER section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM15D2\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003eCARBURETOR - FUEL FILTER section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM18E2\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003eCARBURETOR - FUEL FILTER section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS9.9D2\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003eCARBURETOR - FUEL FILTER section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS15D2\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003eCARBURETOR - FUEL FILTER section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS18E2\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003eCARBURETOR - FUEL FILTER section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Number\u003c\/td\u003e\n\u003ctd\u003e3G2-03100-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brands\u003c\/td\u003e\n\u003ctd\u003eMercury Mariner, Tohatsu, Nissan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003e2-Stroke Outboard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorsepower Range\u003c\/td\u003e\n\u003ctd\u003e9.9 HP, 15 HP, 18 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Year\u003c\/td\u003e\n\u003ctd\u003e2003 and newer (not for pre-1996 models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAftermarket Replacement Carburetor Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarburetor Assembly\u003c\/strong\u003e × 1\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: red;\"\u003e\u003cstrong\u003ePaper Gasket (27-803699001)\u003c\/strong\u003e × 1\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the fuel line and remove the old carburetor from the engine, taking note of linkage and throttle connections.\u003c\/li\u003e\n\u003cli\u003eClean the mounting surface on the intake manifold to ensure a proper seal.\u003c\/li\u003e\n\u003cli\u003eInstall the new paper gasket (27-803699001) onto the mounting surface. Ensure it is aligned correctly with all bolt holes.\u003c\/li\u003e\n\u003cli\u003ePosition the new carburetor assembly onto the gasket and secure it with the original mounting bolts, tightening evenly in a cross pattern.\u003c\/li\u003e\n\u003cli\u003eReconnect all fuel lines, throttle linkages, and choke cables, ensuring they move freely without binding.\u003c\/li\u003e\n\u003cli\u003ePrime the fuel system and check for leaks around the carburetor and fuel connections.\u003c\/li\u003e\n\u003cli\u003eStart the engine and allow it to warm up. Adjust idle speed and fuel mixture screws as needed for smooth operation.\u003c\/li\u003e\n\u003cli\u003eTest the engine at various throttle positions to confirm proper acceleration and response.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this carburetor fits my engine?\u003c\/strong\u003e\u003cbr\u003eA: Verify your engine model, horsepower, and year against the compatibility table above. Check your OEM part number (3G2-03100-0M, 3G2-03100-1M, 3G2-03100-2M, or 3G2-03100-2) to ensure a match. Note that older 2-stroke models manufactured before 1996 use a different carburetor design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are common signs that my carburetor needs replacement?\u003c\/strong\u003e\u003cbr\u003eA: Symptoms include difficulty starting, rough idling, poor acceleration, excessive fuel consumption, black smoke from the exhaust, or fuel leaking from the carburetor body. If adjustment and cleaning do not resolve these issues, replacement is recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace or service my carburetor?\u003c\/strong\u003e\u003cbr\u003eA: Carburetors do not have a fixed replacement interval. Regular cleaning and adjustment during seasonal maintenance can extend life. Replace when performance issues persist despite cleaning, or if internal components are worn or damaged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this carburetor on a 4-stroke engine?\u003c\/strong\u003e\u003cbr\u003eA: No. This carburetor is designed exclusively for 2-stroke outboard engines. Installing it on a 4-stroke engine will result in improper fuel delivery and engine damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between this aftermarket carburetor and the OEM version?\u003c\/strong\u003e\u003cbr\u003eA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003eA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003eA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51924871676217,"sku":"19CA3G2","price":79.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/JLM19CA3G2-1_c0382a05-1e37-4360-9530-46fc338b87ef.jpg?v=1770528686","url":"https:\/\/jlmmarine.com\/ru\/products\/3g2-03100-2-carburetor-assembly-for-mercury-mariner-tohatsu-nissan-m9-9-m15-m18-ns9-9d2-ns15d2-ns18e2-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}