{"product_id":"ifjf-carburetor-rebuild-kit-for-mer-cury-mercarb-2-barrel-3-0-5-7l-with-float-gaskets-jets-included","title":"iFJF Carburetor Rebuild Kit for Mer‑cury Mercarb 2‑Barrel (3.0–5.7L) with Float — Gaskets \u0026 Jets Included","description":"\u003cp\u003e\u003cstrong\u003eiFJF Carburetor Rebuild Kit fully replaces worn parts in Mer‑cury Mercarb 2‑barrel carburetors (3.0L, 4.3L, 5.0L, 5.7L) and includes the float.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis complete rebuild kit supplies the gaskets, seals, needles, jets, and float needed to refresh Mer‑cury Marine 2‑barrel carburetors used on a range of 3.0L–5.7L engines. It matches part numbers that include 3302‑804844002 and related Mercarb family references, giving a single‑package option for do‑it‑yourself maintenance or professional servicing. The kit is designed as a direct repair set for common Mercarb 2BBL models, restoring fit and function without hunting down individual components.\u003c\/p\u003e\n\n\u003ch3\u003eWhich models and part numbers does this kit work with?\u003c\/h3\u003e\n\u003cp\u003eThe kit is built to fit a broad set of Mercarb 2‑barrel carburetors used on Mer‑cury Marine 3.0L, 4.3L, 5.0L and 5.7L engines. It explicitly replaces parts referenced under OEM numbers such as 3302‑804844, 3302‑804844001, 3302‑804844002 and companion series like 3310‑861448A1 variants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Mercarb 2BBL carburetors across listed engine sizes.\u003c\/li\u003e\n  \u003cli\u003eMatches OEM references: 3302‑804844*, 1389‑9562A1, 1389‑9563A1, 1389‑9564A1, 1389‑9670A2.\u003c\/li\u003e\n  \u003cli\u003eAlso fits related 3310‑861448A1 and series 3310‑8661xx part families.\u003c\/li\u003e\n  \u003cli\u003eIncludes float for direct replacement during rebuild.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat components are included and will I need extra parts?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains the typical gasket sets, o‑rings, jets, needles, springs and the float shown in the product images, intended as a complete service pack for a single carburetor. In most cases you won’t need additional small parts, though specialized tools or a carburetor cleaner can help during installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGaskets and O‑rings for bowl, throttle body and choke areas.\u003c\/li\u003e\n  \u003cli\u003eMain and idle jets, needle valve, seats, springs and clips.\u003c\/li\u003e\n  \u003cli\u003eComplete float assembly included for level control replacement.\u003c\/li\u003e\n  \u003cli\u003eMay require carb cleaner, gasket scraper, and basic hand tools for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and how long does a rebuild usually take?\u003c\/h3\u003e\n\u003cp\u003eInstallation difficulty ranges from moderate to advanced, depending on experience with carburetor work. A first‑time DIYer should allow a couple of hours to disassemble, clean, replace parts and reassemble carefully; a trained mechanic will typically complete the job faster.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEstimated time: 1–3 hours for experienced users; longer for beginners.\u003c\/li\u003e\n  \u003cli\u003eRequires basic mechanical skills and familiarity with carburetor linkages.\u003c\/li\u003e\n  \u003cli\u003eCleaning the carb body and passages before reassembly is important.\u003c\/li\u003e\n  \u003cli\u003eFollow torque specs and float level guidelines for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit improve engine performance or fuel efficiency?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn carburetor parts restores the original fuel metering behavior and seals, which helps the engine run more consistently. While it does not guarantee specific mileage or horsepower gains, renewing jets, needles and the float eliminates leaks and erratic idling caused by degraded components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores reliable fuel flow and idle stability.\u003c\/li\u003e\n  \u003cli\u003eReduces symptoms tied to worn seals, like hesitation or flooding.\u003c\/li\u003e\n  \u003cli\u003eOptimizes jetting when combined with proper tuning and setup.\u003c\/li\u003e\n  \u003cli\u003eNot a replacement for engine diagnostics if other issues persist.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Boat owners, marine mechanics, and hobbyists who need a single, comprehensive rebuild kit to service Mercarb 2‑barrel carburetors on Mer‑cury Marine 3.0L through 5.7L engines. It’s ideal for anyone restoring older boats, performing routine maintenance, or preparing an engine for seasonal use and who wants OEM‑matching replacement components with the convenience of a complete kit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit include the float?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit includes the float shown in the images for direct replacement during rebuilds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this compatible with Mercarb 2BBL on a 4.3L Mer‑cury engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it’s designed to fit Mercarb 2‑barrel carburetors used on 3.0L, 4.3L, 5.0L and 5.7L engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"iFJF","offers":[{"title":"Default Title","offer_id":55163550630231,"sku":"B07D6Z88N1","price":34.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/ifjf-carburetor-kit-front-packaging.jpg?v=1790345379","url":"https:\/\/britishgarage.co.uk\/products\/ifjf-carburetor-rebuild-kit-for-mer-cury-mercarb-2-barrel-3-0-5-7l-with-float-gaskets-jets-included","provider":"British Garage","version":"1.0","type":"link"}