{"title":"Quicksilver 2-Stroke 5HP Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px;border:1px solid #e5e7eb;border-radius:8px;max-width:1100px;\"\u003e\n  \u003cp\u003eThis page is focused on Quicksilver 2‑Stroke 5HP outboard engines and helps you quickly identify compatible parts and service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse our main Mercury outboard collection supported by Quicksilver components. Scroll to the bottom of this page to start browsing parts for this engine. On the collection page, use the Filter \u0026amp; Sort controls to narrow results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block;padding:10px 14px;background:#0f766e;color:#fff;text-decoration:none;border-radius:6px;\"\u003eBrowse All Mercury Outboard Parts\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px;max-width:1100px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 5HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eFind the serial\/model plate on the transom clamp bracket or swivel bracket; some units also have an engine block decal. Photograph it for reference.\u003c\/li\u003e\n    \u003cli\u003eModel codes often include shaft length (S\/L), starting method (manual vs. electric), and control type (tiller vs. remote). The suffix helps confirm year\/feature variations.\u003c\/li\u003e\n    \u003cli\u003e2‑Stroke identifiers: a carbureted intake with a manual choke\/primer and either a premix fuel requirement or an oil‑injection reservoir and lines.\u003c\/li\u003e\n    \u003cli\u003eMeasure shaft length (center of mounting bracket to anti‑ventilation plate) to ensure the correct propeller and gearcase parts.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px;max-width:1100px;\"\u003e\n  \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n  \u003ch3\u003ePortable 5HP 2‑Stroke\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eSingle‑cylinder, carbureted 2‑stroke, manual or electric start, tiller steering on most models.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003ePortable 5HP 2‑stroke variants with short or long shaft and manual choke; remote fuel tank with primer bulb.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eLight weight and simple service; good portability and easy starting when tuned correctly.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eUse the premix ratio and spark plug spec from your service manual. Small props typically use a shear pin and tab washer. Service the water pump regularly for reliable cooling.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"padding:16px;max-width:1100px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for small 2‑stroke portables. Always follow the official service manual for your specific serial\/model.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eInspect for water or metal shavings; replace drain\/fill plug gaskets when serviced.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eInspect 50 hrs; replace ~100 hrs or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eUse the correct heat range and gap; replace if fouled or worn.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eInline fuel filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003e100 hours or each season\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eReplace if restricted; check fuel quality and hoses for cracks.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eEvery 2–3 seasons (sooner in sandy\/silty water)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eWeak telltale or overheat alarms indicate service. Replace wear plate and gaskets when needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/water-pump-impeller-rebuild-kits\"\u003eWater Pump Impeller Rebuild Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eAnodes (zincs)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eInspect every 50 hrs; replace when ~50% depleted\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eChoose alloy for your water type (fresh, brackish, salt).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003e2‑Stroke fuel\/oil supply\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eEach fill‑up; inspect lines seasonally\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003ePremix gasoline with TC‑W3 oil at the ratio specified in your manual; if oil‑injected, inspect the tank, lines, and pump.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\"\u003eMercury Outboard Parts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003ePropeller \u0026amp; shear pin\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eInspect each trip; replace damaged pin immediately\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eRemove fishing line, grease splines lightly, and check for bent blades or nicks.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"padding:16px;max-width:1100px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System: \u003ca href=\"https:\/\/seasierra.com\/collections\/water-pump-impeller-rebuild-kits\"\u003eWater Pump Impeller Rebuild Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System: \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \u0026amp; Seals: \u003ca href=\"https:\/\/seasierra.com\/collections\/lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Shear Pins: \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px;max-width:1100px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eWeak telltale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eInspect intake screens for debris, verify thermostat function, and check impeller condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eWater pump kit, impeller, thermostat, intake screen\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003ePoor acceleration or loss of power\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eConfirm fresh fuel, inspect spark plug condition, check for a sheared prop pin, clean carb jets.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eSpark plug, carburetor kit, fuel filter, propeller shear pin\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eUse choke\/primer correctly, check primer bulb and fuel connectors for air leaks, verify idle mixture.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eCarburetor kit, fuel line\/connector, primer bulb, spark plug\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eExcessive smoke (2‑stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eConfirm correct fuel\/oil ratio, drain stale fuel, and avoid extended choke use after start.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eSpark plug, fuel filter\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eCheck oil level\/condition, look for water intrusion (milky oil), and inspect prop shaft seal area.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f1f5f9;\"\u003eLower unit seal kit, drain\/fill screw gaskets, prop shaft seals\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"padding:16px;max-width:1100px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable across different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome items interchange, but small changes in carburetion, ignition, or gearcase design can affect fitment. Always confirm by serial\/model code and configuration (shaft length, start type, tiller\/remote).\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the impeller?\u003c\/summary\u003e\n    \u003cp\u003eReplace every 2–3 seasons in clean water, or annually in sandy\/silty conditions or heavy use. Any weak telltale, overheat warning, or torn vanes means immediate service.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eAbout every 100 hours or once per season, and any time the unit has been submerged or stored long‑term. Inspect for water (milky color) or metallic debris.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the serial\/model code, shaft length (S\/L), start method (manual\/electric), and control type. A photo of the nameplate and the part being replaced is also helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px;max-width:1100px;border-top:1px solid #e5e7eb;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Start in our main Mercury collection and narrow down using Filter \u0026amp; Sort.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block;padding:10px 14px;background:#0f766e;color:#fff;text-decoration:none;border-radius:6px;\"\u003eBrowse All Mercury Outboard Parts\u003c\/a\u003e\u003c\/p\u003e\n  \u003cp style=\"font-size:0.95em;color:#334155;\"\u003eIf you’re unsure about your model, send us a photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"carburetor-assembly-fits-mercury-mariner-4-5hp-2-stroke-outboards-replaces-812648t-3303-812648t","title":"Aftermarket Carburetor Assembly for Mercury\/Mariner 4–5 HP 2-Stroke Outboards – Replaces 812648T, 812648 and 3303-812648T","description":"\u003cstyle\u003e.ss-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}table.ss-table{width:100%;border-collapse:collapse;min-width:640px}table.ss-table th,table.ss-table td{padding:10px 12px;border:1px solid #e5e7eb;text-align:left;vertical-align:top}table.ss-table th{white-space:nowrap;word-break:normal;letter-spacing:normal;font-weight:600;background:#f8fafc}@media(max-width:480px){table.ss-table th,table.ss-table td{padding:8px 10px;font-size:14px}}\u003c\/style\u003e\u003csection\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ecarburetor assembly\u003c\/strong\u003e is intended as a replacement for selected Mercury, Mariner and Quicksilver 4–5 HP two-stroke outboard applications. The listed applications cover models manufactured from approximately 1987 through 2006, subject to the model, year and serial-number conditions shown below.\u003c\/p\u003e\n\u003cp\u003eUse the part number and engine-identification information to confirm compatibility before ordering. This assembly is listed as a replacement for Mercury part numbers \u003cstrong\u003e812648T\u003c\/strong\u003e and \u003cstrong\u003e812648\u003c\/strong\u003e, and Mercury\/Quicksilver reference \u003cstrong\u003e3303-812648T\u003c\/strong\u003e. Tohatsu reference \u003cstrong\u003e369-03200-2\u003c\/strong\u003e is provided as a cross-reference only and should be verified against the specific Tohatsu engine.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement carburetor assembly for selected 4–5 HP two-stroke outboards.\u003c\/li\u003e\n\u003cli\u003eDesigned around the listed OEM mounting and connection configuration.\u003c\/li\u003e\n\u003cli\u003eZinc-alloy housing intended for use in a marine environment.\u003c\/li\u003e\n\u003cli\u003eConfirm the original carburetor number, model, horsepower, stroke and serial range before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following numbers are customer-facing OEM or manufacturer reference numbers associated with this replacement listing.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eReference Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e812648\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e3303-812648T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuicksilver\u003c\/td\u003e\n\u003ctd\u003e3303-812648T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e369-03200-2 — cross-reference only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eEngine and Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eFitment depends on the complete engine configuration. Match the brand, model or model family, rated horsepower, two-stroke configuration, year and serial range where applicable. A part-number match is helpful but does not replace verification of the complete engine identification.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\u003ctable class=\"ss-table\" aria-label=\"Mercury Mariner and Quicksilver Engine Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel or Application\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYear or Serial Condition\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1004137\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1004207\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1004227\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1004201BK\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1004211BK\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1004216BK\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1005201BK\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1005211BK\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\/Quicksilver\u003c\/td\u003e\n\u003ctd\u003e4 HP models\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1989–2006; model suffixes may vary\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eVerify the exact model and serial number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\/Quicksilver\u003c\/td\u003e\n\u003ctd\u003e5 HP models\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1989–2006; model suffixes may vary\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eVerify the exact model and serial number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e4 HP models\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0G710613–0T894438\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e4 HP models\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0P017000–0P400999\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e4 HP models\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0P401000 and later\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e4 HP models\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0T894439 and later\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e5 HP models\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0G710613–0T894438\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e5 HP models\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0P017000–0P400999\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e5 HP models\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0P401000 and later\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e5 HP models\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0T894439 and later\u003c\/td\u003e\n\u003ctd\u003e812648T\u003c\/td\u003e\n\u003ctd\u003eCarburetor application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eFor a Tohatsu application, the reference number \u003cstrong\u003e369-03200-2\u003c\/strong\u003e should be treated as a lead for verification rather than confirmation of every 4–5 HP two-stroke model.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\u003ctable class=\"ss-table\" aria-label=\"Tohatsu Compatibility Reference\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003cth\u003eFitment Note\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eSelected compatible models\u003c\/td\u003e\n\u003ctd\u003e4–5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e369-03200-2\u003c\/td\u003e\n\u003ctd\u003eCross-reference only; verify the exact model and serial number\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eCarburetor assembly\u003c\/dd\u003e\n\u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected 4–5 HP two-stroke outboard engines\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement installation using the listed OEM-style mounting configuration\u003c\/dd\u003e\n\u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline for two-stroke outboard applications\u003c\/dd\u003e\n\u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eZinc alloy\u003c\/dd\u003e\n\u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eSilver\u003c\/dd\u003e\n\u003cdt\u003eReference Numbers\u003c\/dt\u003e\n\u003cdd\u003e812648T, 812648, 3303-812648T and Tohatsu 369-03200-2 cross-reference\u003c\/dd\u003e\n\u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement, not an OEM-branded component\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e1 × Carburetor assembly\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eGaskets, hoses, linkages and other installation hardware are not listed as included components unless specifically shown with the item. Reuse or replace these parts as required for the particular engine.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eShut off the fuel supply and disconnect the fuel line from the existing carburetor.\u003c\/li\u003e\n\u003cli\u003eRecord the position of the throttle linkage and choke mechanism, then disconnect them carefully.\u003c\/li\u003e\n\u003cli\u003eRemove the nuts or bolts securing the old carburetor to the engine.\u003c\/li\u003e\n\u003cli\u003eRemove the old carburetor and gasket. Clean the intake mounting surface and remove remaining gasket material.\u003c\/li\u003e\n\u003cli\u003eInstall a suitable new gasket if the original gasket is not reusable.\u003c\/li\u003e\n\u003cli\u003ePosition the replacement carburetor on the mounting studs or bolts and tighten the fasteners evenly to the engine manufacturer's specification. Do not overtighten.\u003c\/li\u003e\n\u003cli\u003eReconnect the throttle linkage and choke mechanism, checking that they move smoothly without binding.\u003c\/li\u003e\n\u003cli\u003eReconnect the fuel line and inspect the connection.\u003c\/li\u003e\n\u003cli\u003eTurn on the fuel supply and check carefully for leaks before starting the engine.\u003c\/li\u003e\n\u003cli\u003eAfter installation, follow the engine service manual for idle-speed, mixture and operating adjustments.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm that this carburetor fits my engine?\u003c\/summary\u003e\u003cp\u003eCompare the number on the existing carburetor with 812648T, 812648 or 3303-812648T, then confirm the engine brand, model, horsepower, two-stroke configuration, year and serial range. For a Tohatsu engine, verify the complete application rather than relying only on the 369-03200-2 cross-reference.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat symptoms can indicate a carburetor problem?\u003c\/summary\u003e\u003cp\u003eHard starting, rough idle, stalling, poor acceleration, excessive smoke and fuel leakage can be associated with carburetor problems. Fuel-system contamination, damaged gaskets, blocked passages and ignition issues can produce similar symptoms, so inspect the complete system before replacing parts.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWill adjustment be required after installation?\u003c\/summary\u003e\u003cp\u003eA replacement carburetor may require idle-speed or mixture adjustment depending on the specific engine and operating conditions. Follow the engine manufacturer's service procedure and do not change factory settings unnecessarily.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs this an OEM carburetor?\u003c\/summary\u003e\u003cp\u003eNo. This listing is for an aftermarket replacement assembly. The OEM and manufacturer reference numbers are provided for identification and compatibility comparison only.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the Tohatsu reference a guaranteed fit?\u003c\/summary\u003e\u003cp\u003eNo. Tohatsu 369-03200-2 is shown as a cross-reference. Confirm the exact Tohatsu model, year, serial number and original carburetor configuration before ordering.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat maintenance is recommended?\u003c\/summary\u003e\u003cp\u003eUse fresh, clean fuel, keep the fuel system free of contamination and inspect fuel lines and connections regularly. For extended storage, follow the engine manufacturer's fuel-stabilization and carburetor-draining procedure.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the original part number and complete engine identification before purchase.\u003c\/li\u003e\n\u003cli\u003eDo not rely on horsepower alone; model, year, stroke and serial conditions must be considered together.\u003c\/li\u003e\n\u003cli\u003eInspect the carburetor, gasket surfaces, fuel line and connections for leaks before operating the engine.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement and is not an OEM-branded component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended when the correct adjustment or service procedure is uncertain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — Marine replacement parts selected for dependable fit and service use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Practical replacement solutions for maintaining marine equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication-Focused Support\u003c\/strong\u003e — Use the part-number and engine-identification details above to verify compatibility before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723969237307,"sku":"07-M6FG-X9UK","price":50.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/07-M6FG-X9UK.png?v=1763038753"}],"url":"https:\/\/seasierra.com\/collections\/quicksilver-2-stroke-5hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}