{"product_id":"mr-o-ring-451-viton-o-ring-90a-11in-id-11-1-2in-od-high-temp-seal","title":"Mr O-Ring 451 Viton O-Ring 90A 11in ID 11-1\/2in OD - High Temp Seal","description":"\u003cp\u003eIn this review the Mr O-Ring 451 Viton O-Ring is evaluated for users who need a dependable high-temperature seal for fuels, oils, and harsh environments; the single biggest reason to buy is its material resilience, as this 90A durometer Fluorocarbon rubber maintains sealing performance across a wide temperature range and resists petroleum, biodiesel blends, and many solvents. The pack of 1 sized to a nominal 11in ID and 11-1\/2in OD is aimed at maintenance technicians and equipment owners who need a direct replacement built to AS568 sizing standards.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Viton (Fluorocarbon rubber) delivers strong resistance to high temperature, ozone, weather and many organic solvents, so the seal lasts in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurometer:\u003c\/strong\u003e The 90A hardness provides a firm cross-section that resists extrusion while maintaining an effective seal under pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated from -26C (-15F) to 232C (450F), it works for both low-temperature and very high-temperature applications without rapid degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Performs well with petroleum, ethanol\/methanol blends, diesel and biodiesel, mineral and silicone oils and greases, making it suitable for fuel and lubrication systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Nominal 11in ID, 11-1\/2in OD, 1\/4in CS with actual dimensions close to nominal for reliable fitment in AS568 specified grooves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Effectively unlimited shelf-life when stored properly, so spares can be stocked without concern for expiration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis o-ring is best for industrial maintenance personnel, plumbing and hydraulic technicians, and DIYers who need a robust replacement o-ring that resists fuels, oils and elevated temperatures. Its 90A durometer and Viton compound make it particularly suitable where chemical resistance and heat tolerance are required, such as fuel systems, high-temp pumps or static seals exposed to solvents.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who need a softer, more flexible sealing material for low-pressure dynamic seals or applications requiring extreme elasticity; also if a different size or a multi-pack is needed, other listings provide alternative CS or pack quantities.\u003c\/p\u003e\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 thanks to the \u003cstrong\u003eViton\u003c\/strong\u003e compound, extending service life in harsh fluids.\u003c\/li\u003e\n\u003cli\u003eFirm 90A durometer reduces extrusion and helps retain seal shape under load.\u003c\/li\u003e\n\u003cli\u003eAS568-compatible nominal sizing and close actual dimensions make replacements straightforward.\u003c\/li\u003e\n\u003cli\u003eUnlimited shelf-life means reliable spare stock for maintenance kits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e90A hardness can be too stiff for some low-pressure dynamic applications requiring softer materials.\u003c\/li\u003e\n\u003cli\u003eSold as a single o-ring which may not suit users seeking multi-pack convenience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eViton (Fluorocarbon rubber, FKM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDurometer\u003c\/td\u003e\n\u003ctd\u003e90A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal dimensions\u003c\/td\u003e\n\u003ctd\u003e11in ID x 11-1\/2in OD x 1\/4in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual dimensions\u003c\/td\u003e\n\u003ctd\u003e10.975in ID x 11.525in OD x 0.275in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetric dimensions\u003c\/td\u003e\n\u003ctd\u003e278.77 mm ID x 292.75 mm OD x 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\u003ctr\u003e\n\u003ctd\u003eShelf life\u003c\/td\u003e\n\u003ctd\u003eUnlimited when stored correctly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Mr O-Ring 451 Viton 90A o-ring is a practical choice for professionals and homeowners needing a durable, chemically resistant seal that endures high temperatures; it represents good value when a single, AS568-sized replacement is required, especially for fuel and oil systems where Viton performance is important.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this o-ring compatible with gasoline and diesel?\u003c\/strong\u003e\u003cbr\u003eYes, the Viton compound is rated for petroleum products, diesel and blends including biodiesel, making it suitable for those fuels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the 90A hardness affect sealing in dynamic applications?\u003c\/strong\u003e\u003cbr\u003eThe 90A durometer is relatively firm and may not be ideal for low-pressure dynamic seals that need more elasticity; it is best for static or higher-pressure applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the size conform to standard AS568 nomenclature?\u003c\/strong\u003e\u003cbr\u003eYes, the o-ring is offered to AS568 size standards with nominal and actual dimensions provided for accurate replacement.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48189301489883,"sku":"B07R62SZ16","price":46.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51Kuv29LevL._SL1000_fe2d460e-29fc-4739-afd8-e678c43d708a.jpg?v=1769515799","url":"https:\/\/gearmusthave.com\/products\/mr-o-ring-451-viton-o-ring-90a-11in-id-11-1-2in-od-high-temp-seal","provider":"GearMustHave","version":"1.0","type":"link"}