{"product_id":"ferilter-carburetor-for-kohler-courage-sv-engines-direct-fit-20-853-33-s-replacement-15-22-hp-for-42-46-50-mowers","title":"Ferilter Carburetor for Kohler Courage SV Engines — Direct-Fit 20-853-33-S Replacement, 15–22 HP for 42\/46\/50\" Mowers","description":"\u003cp\u003e\u003cstrong\u003eHigh-quality Ferilter replacement carburetor designed to fit Kohler Courage SV-series engines and restore fuel delivery for 15–22 HP zero-turn and lawn tractors.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Cub Cadet, Troy-Bilt, Toro or similar mower with a Kohler Courage SV engine is running rough, hard to start, or flooding, this Ferilter carburetor is built as a direct-fit aftermarket replacement for a range of Kohler OEM numbers (including 20-853-33-S family). The unit ships with the mounting and linkage hardware shown in the product photos; before ordering, match the part number and mounting pattern on your old carburetor to ensure compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eWhich mower and engine models will this Ferilter carburetor fit?\u003c\/h3\u003e\n\u003cp\u003eThis carburetor supports many popular zero-turn and lawn tractor models using Kohler Courage SV engines from the SV470 through SV620 series, covering roughly 15–22 HP. It’s commonly used on Cub Cadet, Toro, Husqvarna, MTD and Troy-Bilt machines where the original part numbers match the 20-853-xx family.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible Kohler engines: SV470, SV480, SV530, SV540, SV590, SV600, SV600S, SV610, SV620\u003c\/li\u003e\n  \u003cli\u003eMower sizes: 42\", 46\", 50\" zero-turn decks and many lawn tractors\u003c\/li\u003e\n  \u003cli\u003eBrands: Cub Cadet (LTX\/LT\/RZT series), Toro (Z4200\/Z5000), Troy-Bilt, Husqvarna, MTD\u003c\/li\u003e\n  \u003cli\u003eReplaces Kohler OEM numbers in the 20-853-33-S \/ 20-853-xx \/ 12-853-118-S families\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will this replacement carburetor affect starting and throttle response?\u003c\/h3\u003e\n\u003cp\u003eInstalling a fresh Ferilter carburetor typically improves cold starts and provides steadier idling by restoring correct air-fuel mixture and float operation. It can eliminate hesitation and surging caused by worn or clogged OEM carburetors without requiring an overhaul of the whole fuel system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores correct float height and fuel metering for smoother starts\u003c\/li\u003e\n  \u003cli\u003eReduces stalling and surging at idle and light throttle\u003c\/li\u003e\n  \u003cli\u003eImproves throttle response under load compared to a failing carburetor\u003c\/li\u003e\n  \u003cli\u003eShips with gaskets and mounting hardware for straightforward swap\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation considerations and checks should I do before buying?\u003c\/h3\u003e\n\u003cp\u003eConfirm the old part number, bolt pattern, and linkage orientation before purchasing—several Kohler carburetors look similar but have different ports or choke linkages. Also inspect the fuel line, filter and tank for debris; replacing the carb alone won’t help if contaminants remain in the fuel system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare your OEM number with 20-853-33-S and related variants\u003c\/li\u003e\n  \u003cli\u003eCheck that throttle and choke linkages align and match the new unit\u003c\/li\u003e\n  \u003cli\u003eReplace fuel filter and clean tank if fuel contamination was an issue\u003c\/li\u003e\n  \u003cli\u003eFollow torque specs for mounting bolts to avoid air leaks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eThe package includes the carburetor and the small hardware items shown in the main product photo so you have what's needed for a like-for-like swap. Basic hand tools and a few hours are usually all that’s required for a DIY replacement on most residential mowers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: Ferilter carburetor plus gaskets and mounting hardware as pictured\u003c\/li\u003e\n  \u003cli\u003eRecommended tools: screwdrivers, ratchet set, pliers, fuel line clamps\u003c\/li\u003e\n  \u003cli\u003eEstimated time: 30–90 minutes depending on access and experience\u003c\/li\u003e\n  \u003cli\u003eProfessional tune recommended if you’re uncomfortable with fuel systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Ferilter carburetor is for homeowners and small-property maintenance technicians who need a cost-effective replacement for worn or damaged Kohler carburetors on 15–22 HP engines. It suits owners of Cub Cadet, Toro, Troy-Bilt, Husqvarna and MTD zero-turns and lawn tractors who want a plug-and-play aftermarket unit—provided the part number and mounting details match their original carburetor.\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 Ferilter carburetor replace Kohler 20-853-33-S?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it’s designed to replace Kohler OEM numbers in the 20-853-xx family including 20-853-33-S when mounting and ports match.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will I need extra parts to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The package includes gaskets and hardware shown; you may only need basic hand tools and a fresh fuel filter.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ferilter","offers":[{"title":"Default Title","offer_id":48086348365982,"sku":"B09ZNK6Q4X","price":46.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ferilter-carburetor-front-view.jpg?v=1785895846","url":"https:\/\/northtrailauto.ca\/products\/ferilter-carburetor-for-kohler-courage-sv-engines-direct-fit-20-853-33-s-replacement-15-22-hp-for-42-46-50-mowers","provider":"North Trail Auto","version":"1.0","type":"link"}