{"product_id":"mr-o-ring-464-viton-o-ring-90a-durometer-17-1-2ft-id-durable-seal","title":"Mr O-Ring 464 Viton O-Ring 90A Durometer 17-1\/2ft ID - Durable Seal","description":"\u003cp\u003eIn this review the Mr O-Ring 464 Viton O-Ring is evaluated for technicians and hobbyists who need a high-temperature, chemical-resistant seal for engines, pumps, or industrial equipment. The bottom line: this single-pack Viton o-ring stands out because of its wide temperature range and compatibility with fuels, oils and many solvents, making it a reliable choice where resistance to heat, ozone and hydrocarbons matters most.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e The Viton (FKM) compound provides excellent resistance to high temperature and many chemicals, so seals last longer in harsh environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e The 90A durometer offers a firm cross-section that maintains sealing performance under compression and repeated use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizing:\u003c\/strong\u003e Nominal dimensions 17-1\/2' ID, 18' OD and 1\/4' cross-section match AS568 size expectations for easy replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated from -26C (-15F) to 232C (450F), the o-ring works in both cold starts and very high temperature systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical compatibility:\u003c\/strong\u003e Performs well with petroleum, diesel and biodiesel blends, methanol or ethanol blends, mineral and silicone oils, and many organic solvents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Stated as unlimited, so spare parts can be stocked without concern for expiration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe 464 Viton o-ring is aimed at professionals and serious DIYers who need a dependable seal for engines, fuel systems, hydraulic or pneumatic fittings exposed to high heat, fuels or aggressive fluids. Its firm 90A hardness and FKM chemistry make it a good match for applications where a softer elastomer would swell or degrade.\u003c\/p\u003e\n\u003cp\u003eThose seeking a very soft gasket for low-pressure, low-temperature consumer uses or who require metric-only sizing might look elsewhere; this listing is specific to the AS568-style nominal dimensions and a single-piece, firm Viton construction.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent chemical and high-temperature resistance extends service life in demanding environments.\u003c\/li\u003e\n\u003cli\u003eAccurate nominal and actual dimensions make it a straightforward replacement for AS568 size fittings.\u003c\/li\u003e\n\u003cli\u003e90A durometer provides durable sealing under compression and repeated cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigher durometer means it is stiffer than softer o-rings and may not be ideal for very low-pressure or delicate sealing surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMr O-Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eViton (FKM), 90A durometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal dimensions\u003c\/td\u003e\n\u003ctd\u003e17-1\/2' ID, 18' OD, 1\/4' CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual dimensions\u003c\/td\u003e\n\u003ctd\u003e17.455' ID, 18.005' OD, 0.275' CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetric dimensions\u003c\/td\u003e\n\u003ctd\u003e443.36 mm ID, 457.34 mm OD, 6.99 mm CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e-26C (-15F) to 232C (450F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone who needs a robust, chemically resistant o-ring for fuel systems, hydraulic components or high-temperature seals, this 464 Viton 90A o-ring is a practical, cost-effective choice. Its accurate sizing and wide compatibility make it worth stocking as a replacement part for industrial and automotive maintenance.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this o-ring compatible with diesel and biodiesel?\u003c\/strong\u003e\u003cbr\u003eYes, the Viton FKM compound is specified to perform well with diesel and biodiesel blends.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat temperature range will this o-ring tolerate?\u003c\/strong\u003e\u003cbr\u003eThe o-ring is rated from -26C (-15F) up to 232C (450F) for high and low temperature applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the listed size follow AS568 standards?\u003c\/strong\u003e\u003cbr\u003eThe product is offered to match AS568-style sizing with nominal and actual dimensions provided for straightforward replacement.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48646377177307,"sku":"B07R73ZN1Q","price":73.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51Kuv29LevL._SL1000_02a63da3-b95d-4b96-9632-58ab18dc0c55.jpg?v=1778554921","url":"https:\/\/gearmusthave.com\/products\/mr-o-ring-464-viton-o-ring-90a-durometer-17-1-2ft-id-durable-seal","provider":"GearMustHave","version":"1.0","type":"link"}