{"product_id":"liyyoo-fuel-pump-for-kohler-magnum-engines-replaces-5255901-5255902-with-fittings-snap-ring-tool","title":"LIYYOO Fuel Pump for Kohler Magnum Engines — Replaces 5255901\/5255902 with Fittings \u0026 Snap‑Ring Tool","description":"\u003cp\u003e\u003cstrong\u003eLIYYOO's fuel pump kit replaces Kohler 5255901\/5255902\/5255903-series pumps to restore reliable fuel delivery on KT17, KT19, M18, M20, MV16, MV18 and MV20 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Kohler-powered mower, generator or utility engine is running rough, stalling, or hard to start, a worn or failing fuel pump is often the culprit. This LIYYOO kit is designed to match the fit and function of the original Kohler parts (52-559-01, 52-559-02, 52-559-03-S and related numbers) while including extra fittings and installation tools so you can complete the swap with minimal downtime.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit restore engine performance?\u003c\/h3\u003e\n\u003cp\u003eThe pump moves fuel from the tank to the carburetor at the correct pressure and timing so the engine receives a steady, metered flow. Replacing a weak or leaking pump prevents lean runs, hard starts and intermittent stalling without altering engine tuning.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement shape and mounting for Kohler KT\/MV series engines.\u003c\/li\u003e\n  \u003cli\u003eHigh-flow construction resists common fuel contaminants.\u003c\/li\u003e\n  \u003cli\u003eIncludes gaskets and O-ring to ensure a sealed installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the LIYYOO fuel pump kit and what are the installation extras?\u003c\/h3\u003e\n\u003cp\u003eThe kit is packaged with the pump and the small parts you'll need so you don't hunt for hardware. LIYYOO adds a snap-ring installation tool and multiple fittings to adapt to different fuel line sizes, making the swap straightforward for DIY mechanics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 fuel pump, 1 snap-ring installation tool, 1 O-ring and 1 gasket.\u003c\/li\u003e\n  \u003cli\u003e7 fittings covering 1\/4\", 5\/16\" and 3\/8\" inner-diameter fuel lines.\u003c\/li\u003e\n  \u003cli\u003e2 inline fuel filters and 2 washers to complete the job.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich Kohler part numbers and engines will this replace?\u003c\/h3\u003e\n\u003cp\u003eLIYYOO engineered the pump to replace common Kohler OEM numbers and fit Magnum series small engines used in lawn and garden equipment. Confirm your engine model and OEM part number against the list before ordering for a correct match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces Kohler OEM 52 393 17, 52 559 01, 52 559 02, 52 559 03-S and variants.\u003c\/li\u003e\n  \u003cli\u003eCompatible with Kohler Magnum M18, M20, MV16, MV18, MV20, KT17, KT19 engines.\u003c\/li\u003e\n  \u003cli\u003eAlso fits equivalent aftermarket references such as Stens and Ariens numbers cited.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill installation require special tools or modifications?\u003c\/h3\u003e\n\u003cp\u003eMost installations are bolt-on with no permanent modifications required; the included snap-ring tool simplifies removal and installation of the pump assembly. If you follow the engine service manual and use the supplied seals and fittings, the job is usually completed with basic hand tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSnap-ring tool included for safe removal\/installation.\u003c\/li\u003e\n  \u003cli\u003eUse the provided O-ring and gasket to prevent leaks; no RTV should be necessary.\u003c\/li\u003e\n  \u003cli\u003eAdapters allow connection to 1\/4\", 5\/16\", or 3\/8\" fuel line without cutting new hose ends.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This LIYYOO fuel pump kit is aimed at owners and technicians maintaining Kohler KT and Magnum-series small engines—mowing professionals, backyard mechanics, and rental fleet managers—who need a durable, ready-to-install replacement that matches OEM fitment and includes the accessories required to finish the repair in one visit. It is not a universal pump; verify your engine model and part number list before purchase.\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 LIYYOO pump fit my Kohler KT19 engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this kit lists compatibility with Kohler KT17 and KT19 engines, but confirm your OEM part number matches the replaced numbers provided.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are fuel lines and filters included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes two inline fuel filters and seven fittings to adapt 1\/4\", 5\/16\" and 3\/8\" fuel lines for installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LIYYOO","offers":[{"title":"Default Title","offer_id":48086961848478,"sku":"B07Q7PXFGT","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/liyoo-fuel-pump-front-view.jpg?v=1785910905","url":"https:\/\/northtrailauto.ca\/products\/liyyoo-fuel-pump-for-kohler-magnum-engines-replaces-5255901-5255902-with-fittings-snap-ring-tool","provider":"North Trail Auto","version":"1.0","type":"link"}