{"product_id":"cummins-59","title":"Onan Fuel Filter A026K278","description":"\u003cp\u003eThe \u003cstrong\u003eOnan A026K278 Fuel Filter\u003c\/strong\u003e is a genuine Cummins Onan replacement fuel filter used on select Onan diesel generator applications. Shop Cummins compatibility references list this filter for \u003cstrong\u003eHDKAG\u003c\/strong\u003e generator models across multiple spec ranges and \u003cstrong\u003eDKG Spec A\u003c\/strong\u003e applications.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Cummins Onan fuel filter\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003eA026K278\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with select \u003cstrong\u003eOnan HDKAG\u003c\/strong\u003e generator models\u003c\/li\u003e\n\u003cli\u003eListed for \u003cstrong\u003eHDKAG Spec A-B, Spec C, Spec D-F, and Spec G\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAlso listed for \u003cstrong\u003eDKG Spec A\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHelps protect the fuel system from dirt, debris, and fuel contamination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eGenerator Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCompatible with the following Onan generator models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHDKAG Spec A-B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHDKAG Spec C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHDKAG Spec D-F\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHDKAG Spec G\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDKG Spec A\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eFitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eConfirm the generator model and spec letter from the Onan data tag before ordering. Onan filters can vary by generator model, production spec, and fuel-system configuration.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this fuel filter during scheduled maintenance, after fuel contamination, or if the generator shows hard starting, surging, stalling, restricted fuel flow, or loss of power under load.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eShut off the fuel supply before service. Inspect fuel hoses, clamps, fittings, and sealing surfaces during replacement. Prime or bleed the fuel system if required and check carefully for leaks after startup.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA026K278\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe useful fitment detail for \u003cstrong\u003eA026K278\u003c\/strong\u003e is the Onan model\/spec match. Check the generator data tag for \u003cstrong\u003eHDKAG\u003c\/strong\u003e or \u003cstrong\u003eDKG Spec A\u003c\/strong\u003e before ordering, since Onan service parts often change by spec letter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"CUM","offers":[{"title":"Default Title","offer_id":43563784962084,"sku":"A026K278","price":167.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/76c51acb-2310-4052-ab8d-d7ff9122dc4f.png?v=1778801051","url":"https:\/\/marisolmarine.com\/products\/cummins-59","provider":"Marisol Marine Company","version":"1.0","type":"link"}