{"product_id":"carburetor-fits-mercury-mariner-4hp-5hp-2-stroke-replaces-369-03200-2-812648t-812648-3303-9720","title":"Carburetor – Fits Mercury Mariner 4HP 5HP 2-stroke (Replaces 369-03200-2, 812648T, 812648, 3303-9720)","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eCarburetor – Fits Mercury Mariner 4HP 5HP 2-stroke\u003c\/strong\u003e is designed for Mercury Mariner 4HP and 5HP 2-stroke outboard engines with serial numbers ranging from 0P17000 to 0P400999. It delivers reliable fuel metering for consistent engine performance across recreational and light-duty marine applications.\u003c\/p\u003e\n\u003cp\u003eThis carburetor directly replaces OEM part numbers 369-03200-2, 812648T, 812648, and 3303-9720, offering a cost-effective alternative to factory components.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDrop-in replacement for select Mercury Mariner 2-stroke models\u003c\/li\u003e\n\u003cli\u003eCompatible with standard marine fuel blends\u003c\/li\u003e\n\u003cli\u003eIncludes complete carburetor assembly for immediate installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\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\u003e369-03200-2\u003c\/td\u003e\n        \u003ctd\u003eOEM primary\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n        \u003ctd\u003e812648T\u003c\/td\u003e\n        \u003ctd\u003eOEM interchange\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n        \u003ctd\u003e812648\u003c\/td\u003e\n        \u003ctd\u003eOEM interchange\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n        \u003ctd\u003e3303-9720\u003c\/td\u003e\n        \u003ctd\u003eOEM interchange\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\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\u003eSerial Numbers\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\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\u003eMERCURY Mariner\u003c\/td\u003e\n        \u003ctd\u003e4HP 5HP\u003c\/td\u003e\n        \u003ctd\u003e2-stroke\u003c\/td\u003e\n        \u003ctd\u003e0P17000 – 0P400999\u003c\/td\u003e\n        \u003ctd\u003e369-03200-2\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003ePart Type\u003c\/dt\u003e\n  \u003cdd\u003eCarburetor assembly\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eMercury Mariner 4HP 5HP 2-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003eSerial Range\u003c\/dt\u003e\n  \u003cdd\u003e0P17000 – 0P400999\u003c\/dd\u003e\n  \u003cdt\u003eReplaces OEM\u003c\/dt\u003e\n  \u003cdd\u003e369-03200-2, 812648T, 812648, 3303-9720\u003c\/dd\u003e\n  \u003cdt\u003eConstruction\u003c\/dt\u003e\n  \u003cdd\u003eDie-cast body with precision jets and gaskets\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarburetor\u003c\/strong\u003e (complete assembly)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the fuel line and remove the engine cowling to access the existing carburetor.\u003c\/li\u003e\n\u003cli\u003eDetach throttle linkage, choke cable, and any mounting fasteners securing the old carburetor.\u003c\/li\u003e\n\u003cli\u003eRemove the old carburetor and clean the mounting surface on the intake manifold.\u003c\/li\u003e\n\u003cli\u003ePosition the new carburetor onto the manifold, ensuring gasket alignment is correct.\u003c\/li\u003e\n\u003cli\u003eHand-tighten mounting bolts, then torque evenly in a cross pattern to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003eReconnect throttle linkage, choke cable, and fuel line; verify all connections are secure.\u003c\/li\u003e\n\u003cli\u003ePrime the fuel system and check for leaks before starting the engine.\u003c\/li\u003e\n\u003cli\u003eStart the engine and adjust idle mixture and speed screws as needed for smooth operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm this carburetor fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eCross-reference your engine serial number (found on the mounting bracket or block) with the range 0P17000–0P400999. Verify your model is a Mercury Mariner 4HP or 5HP 2-stroke, and compare your existing carburetor part number against 369-03200-2, 812648T, 812648, or 3303-9720.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat symptoms indicate I need a new carburetor?\u003c\/summary\u003e\n  \u003cp\u003eCommon signs include hard starting, rough idle, poor acceleration, black smoke, fuel leaks, or erratic RPM. If cleaning and rebuilding the old carburetor don't resolve these issues, replacement is often the most reliable solution.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDo I need additional gaskets or hardware?\u003c\/summary\u003e\n  \u003cp\u003eThis listing includes the complete carburetor assembly. You may need a new intake gasket if yours is damaged; confirm gasket condition during removal and replace if torn or compressed.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I adjust the carburetor after installation?\u003c\/summary\u003e\n  \u003cp\u003eYes. Most 2-stroke carburetors have idle-speed and idle-mixture screws. Start with factory settings (typically 1.5 turns out), warm the engine, then fine-tune for smooth idle and crisp throttle response. Consult your service manual for torque specs and adjustment procedures.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should I replace or service the carburetor?\u003c\/summary\u003e\n  \u003cp\u003eCarburetors don't have a fixed replacement interval, but regular cleaning and annual inspection are recommended if the engine sits for extended periods. Ethanol fuel can accelerate varnish buildup, so use fuel stabilizer and drain the system during off-season storage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":51024938893627,"sku":"17CA369","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17CA3691.jpg?v=1772888635","url":"https:\/\/seasierra.com\/products\/carburetor-fits-mercury-mariner-4hp-5hp-2-stroke-replaces-369-03200-2-812648t-812648-3303-9720","provider":"SeaSierra","version":"1.0","type":"link"}