{"product_id":"cummins-20","title":"Cummins - O-Ring Seal - 3028291","description":"\u003cp\u003eThe \u003cstrong\u003eCummins 3028291 O-Ring Seal\u003c\/strong\u003e is a replacement sealing ring used on compatible Cummins engine assemblies where this part number is specified. It helps seal the related component connection, preventing fluid leakage, pressure loss, and contamination after service or reassembly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement Cummins O-ring seal\u003c\/li\u003e\n\u003cli\u003eUsed where \u003cstrong\u003e3028291\u003c\/strong\u003e is specified in the Cummins parts breakdown\u003c\/li\u003e\n\u003cli\u003eHelps seal oil, coolant, fuel, air, or water passages depending on application\u003c\/li\u003e\n\u003cli\u003eService part for maintenance, rebuilds, and component repairs\u003c\/li\u003e\n\u003cli\u003eRecommended whenever the related component is removed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFor Cummins engine applications that call for \u003cstrong\u003eO-ring seal 3028291\u003c\/strong\u003e. Confirm fitment by engine model, component assembly, and original parts diagram before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCummins O-rings can vary by diameter, thickness, material, and sealing location. Always verify against the engine serial number or parts manual before installation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this seal if it is flattened, swollen, cracked, brittle, cut, leaking, or disturbed during component removal. Reusing an old O-ring can cause repeat leaks after reassembly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eClean the groove and mating surface before installation. Lightly lubricate the O-ring with the correct service fluid when required, seat it evenly, and avoid twisting, stretching, or pinching during assembly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3028291\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCummins O-rings are best matched by exact part number and assembly location. A seal that looks close can still have the wrong cross-section or material for the application.\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":43563783618596,"sku":"3028291","price":11.46,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/download_94ad492d-b98a-40eb-9195-ef2f8a059c84.jpg?v=1778786026","url":"https:\/\/marisolmarine.com\/products\/cummins-20","provider":"Marisol Marine Company","version":"1.0","type":"link"}