{"product_id":"koubliztic-carburetor-for-bolens-21in-140cc-lawn-mower-direct-fit-kit-with-primer-filters","title":"Koubliztic Carburetor for Bolens 21in 140cc Lawn Mower — Direct-Fit Kit with Primer \u0026 Filters","description":"\u003cstrong\u003eThis Koubliztic 11A-020W765 replacement carburetor kit restores fuel delivery for Bolens 21\" 140cc lawn mowers, delivering a direct-fit swap and essential accessories for a quick repair.\u003c\/strong\u003e\n\n\u003cp\u003eIf your Bolens 21\" 140cc mower is running rough, stalling, or failing to start, a worn or damaged carburetor is a common cause. The Koubliztic 11A-020W765 carburetor is engineered as a direct replacement for multiple Bolens models and part numbers, and it ships with the small parts you need to complete the job in a single visit to the garage. Each unit is factory-tested for fit and basic function so you can replace the old unit with minimal fuss and get back to mowing.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this carburetor improve mower performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing a faulty carburetor restores correct fuel\/air mix, which helps steady idling, more reliable starting, and smoother throttle response. The kit includes consumable parts so you replace worn piping and filters that often accompany carburetor failure.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect-fit design for Bolens 21\" 140cc engines (models listed in compatibility).\u003c\/li\u003e\n\u003cli\u003eFactory-tested carburetor body to reduce leak or fit issues.\u003c\/li\u003e\n\u003cli\u003eIncludes primer bulb, fuel shutoff valve, and hoses to refresh the fuel path.\u003c\/li\u003e\n\u003cli\u003eExtra air filters and clamps to ensure a clean intake and secure installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich models and part numbers does it replace?\u003c\/h3\u003e\n\u003cp\u003eThis Koubliztic kit is made to replace the original Bolens carburetor and several OE and aftermarket part numbers. It matches multiple references so you can cross-check compatibility before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement numbers include 799583, 593261, 595656, 591979, and others.\u003c\/li\u003e\n\u003cli\u003eCompatible references listed include 08P502-0034-F1 through 09P702-0128-F1 groups.\u003c\/li\u003e\n\u003cli\u003eVerify your mower’s model and part number to ensure a match before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and how hard is installation?\u003c\/h3\u003e\n\u003cp\u003eThe kit arrives with the carburetor plus a set of commonly replaced parts so you won’t need extra trips for hoses or filters. For most users the swap takes about 5–10 minutes if you follow a short how-to video or the mower’s service steps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncluded: 1 x 799583 carburetor, spark plug, two air filters, cover and base pieces.\u003c\/li\u003e\n\u003cli\u003eAlso: throat clamps, primer bulb, fuel filter, fuel shutoff valve, rings, and fuel hose.\u003c\/li\u003e\n\u003cli\u003eSimple bolt-on replacement; basic hand tools required and no special tuning in most cases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and quality checks are used?\u003c\/h3\u003e\n\u003cp\u003eComponents are made from durable metals and polymers chosen for fuel resistance and wear life. Koubliztic conducts factory-level testing to confirm fit and basic operational stability before shipping.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMetal and fuel-resistant plastics selected to withstand gasoline and vibration.\u003c\/li\u003e\n\u003cli\u003eFactory-tested units reduce the chance of immediate leaks or installation failures.\u003c\/li\u003e\n\u003cli\u003eSpare intake and fuel pieces help extend the serviceable life after replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This replacement carburetor kit is for homeowners and lawn-care pros who own a Bolens 21\" 140cc mower with a failing carburetor or for anyone restoring older Bolens models that use the listed part numbers. It’s also suited to DIYers who prefer a single kit with all common small parts included, saving time and separate part sourcing.\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: Will this carburetor fit my Bolens 21\" 140cc mower?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your mower’s part number against the listed replacements (e.g., 799583, 593261). If it matches one of those references, this kit is designed to fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are required—basic hand tools usually suffice, and installation guides online take about 5–10 minutes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Koubliztic","offers":[{"title":"Default Title","offer_id":67591480475833,"sku":"B0FFMKHBFK","price":66.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/koubliztic-front-view-carburetor.jpg?v=1790552715","url":"https:\/\/redleafauto.ca\/products\/koubliztic-carburetor-for-bolens-21in-140cc-lawn-mower-direct-fit-kit-with-primer-filters","provider":"Redleaf Auto","version":"1.0","type":"link"}