{"product_id":"stens-kohler-fuel-pump-kit-12-559-02-s-oem-replacement-1-5-8-arm-1-4-fuel-line","title":"Stens Kohler Fuel Pump Kit 12-559-02-S OEM replacement — 1-5\/8\" arm, 1\/4\" fuel line","description":"\u003cp\u003e\u003cstrong\u003eStens supplies the genuine Kohler fuel pump kit 12-559-02-S — an OEM replacement designed to restore proper fuel delivery on compatible Kohler CH, CV and CVV engine models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement fuel pump is an authentic Kohler component distributed through Stens as an authorized dealer. It’s intended for small engines that require the 12-559-02-S pump specification: a 1-5\/8\" arm length and compatibility with 1\/4\" inner diameter fuel lines. Installing the correct OEM pump helps maintain factory performance and fitment without the guesswork of aftermarket substitutes.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Kohler engines use this fuel pump kit?\u003c\/h3\u003e\n\u003cp\u003eThe 12-559-02-S pump is compatible with a range of Kohler single- and twin-cylinder engines. It fits selected CH11–CH15, CH410–CH450, CV13–CV16 and CV430–CV493 model families, but exact fit depends on the engine's model, spec and serial numbers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits CH series: CH11 through CH15 and CH410 through CH450 where OEM parts call for 12-559-02-S.\u003c\/li\u003e\n  \u003cli\u003eFits CV series: CV13–CV16 and CV430–CV493 variants requiring this pump.\u003c\/li\u003e\n  \u003cli\u003eUses 1-5\/8\" pump arm length and accepts 1\/4\" ID fuel line connections.\u003c\/li\u003e\n  \u003cli\u003eAlways verify fit by checking your engine’s model, specification and serial numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I replace the pump and what should I check during installation?\u003c\/h3\u003e\n\u003cp\u003eReplacing this fuel pump typically requires basic hand tools and attention to fuel line routing and mounting orientation. Drain or contain fuel, remove the old pump hardware, transfer any required gaskets, and fit the new pump so the arm and inlet\/outlet align with factory locations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShut off fuel and relieve pressure before removing the old pump.\u003c\/li\u003e\n  \u003cli\u003eConfirm the 1-5\/8\" arm clears nearby components and moves freely.\u003c\/li\u003e\n  \u003cli\u003eUse 1\/4\" ID fuel tubing and secure clamps on inlet and outlet connections.\u003c\/li\u003e\n  \u003cli\u003eTighten mounting hardware to Kohler torque recommendations where available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat distinguishes this OEM Kohler pump from aftermarket alternatives?\u003c\/h3\u003e\n\u003cp\u003eGenuine Kohler parts are manufactured to the brand’s original specifications, ensuring identical fit and materials to the component installed at the factory. That consistency reduces compatibility issues and minimizes the need for modification or adaptors common with aftermarket replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM materials and tolerances match factory-installed parts for reliable operation.\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on fit reduces installation time and potential leaks.\u003c\/li\u003e\n  \u003cli\u003eSupplied part number 12-559-02-S corresponds to Kohler service documentation.\u003c\/li\u003e\n  \u003cli\u003eSold through an authorized dealer for authenticity assurance and support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat fuel line and arm length specs should I confirm before ordering?\u003c\/h3\u003e\n\u003cp\u003eThis pump is built for 1\/4\" inside diameter fuel lines and has a 1-5\/8\" actuator arm length. Confirming these two specs with your engine prevents fitment problems and ensures the pump will mate correctly to existing hoses and throttle linkage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse 1\/4\" ID fuel hose to match the pump’s inlet and outlet fittings.\u003c\/li\u003e\n  \u003cli\u003eVerify the 1-5\/8\" arm length fits your engine’s arm clearance and linkage.\u003c\/li\u003e\n  \u003cli\u003eCheck engine documentation or Stens\/Kohler lookup using model\/spec\/serial numbers.\u003c\/li\u003e\n  \u003cli\u003eContact support with engine details if you’re unsure about compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this replacement is for: this Stens-supplied, genuine Kohler fuel pump kit 12-559-02-S is intended for owners, technicians and equipment shops maintaining Kohler CH and CV series small engines that require OEM-level fit and function. Choose this kit if you want an exact Kohler replacement for reliable fuel delivery, straightforward installation, and assurance that the part matches factory specifications. If you’re unsure which part number you need, provide your engine model, specification and serial numbers and an authorized dealer can confirm the correct pump for your unit.\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 pump fit my Kohler CH15 engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Possibly—this pump fits many CH11–CH15 models. Provide your engine model, spec and serial numbers to confirm exact compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What fuel hose size does the 12-559-02-S require?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This genuine Kohler pump is designed for 1\/4\" inside diameter fuel line connections.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Stens","offers":[{"title":"Default Title","offer_id":48083951157406,"sku":"B00CSBQJW2","price":67.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/stens-kohler-fuel-pump-front-packing.jpg?v=1785841036","url":"https:\/\/northtrailauto.ca\/products\/stens-kohler-fuel-pump-kit-12-559-02-s-oem-replacement-1-5-8-arm-1-4-fuel-line","provider":"North Trail Auto","version":"1.0","type":"link"}