{"product_id":"463-viton-o-ring-75a-durometer-17-in-id-high-temperature-seal","title":"463 Viton O-Ring 75A Durometer, 17 in ID - High-Temperature Seal","description":"\u003cp\u003eOur review of the 463 Viton O-Ring finds it best suited to anyone needing a compact, high-temperature sealing solution for fuel, hydraulic, or chemical systems. The single biggest reason to buy is its material: made from brown \u003cstrong\u003eViton fluorocarbon elastomer\u003c\/strong\u003e with a 75A durometer, this O-ring stands up to heat, fuels and many solvents while keeping a reliable seal in demanding environments. It is a practical choice for repair and maintenance tasks where compatibility and temperature range matter more than decorative packaging or bulk quantities.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Viton (fluorocarbon elastomer) offers high resistance to heat, fuels and many chemicals so the ring performs in harsh service conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e 75A durometer provides a firm resistance to penetration while still compressing enough to form a dependable seal on cylindrical surfaces.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round cross-section is designed to seal between overlapping cylindrical parts and create a reliable contact surface when compressed.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated from -15 degrees F to 400 degrees F so it can be used across wide thermal cycles in engines, pumps or outdoor fittings.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSize standard:\u003c\/strong\u003e Meets Aerospace Standard AS568A sizing, which helps ensure predictable fit when replacing specified O-rings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis O-ring is for technicians, mechanics and DIYers who need a single, correctly sized seal for repair jobs on injectors, hoses, pumps or fittings that encounter fuels, oils and higher temperatures. It is also useful for systems exposed to ozone and weathering where standard nitrile rings may fail.\u003c\/p\u003e\n\u003cp\u003eCustomers who need large quantities, a different color, or extreme chemical resistance to strong bases or ammonia should look elsewhere; Viton is vulnerable to low molecular organic acids, ammonia gas and certain amines, so confirm chemical compatibility before specifying this as a long-term solution.\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\u003eStrong chemical and fuel resistance delivers consistent leak prevention in compatible fluids.\u003c\/li\u003e\n \u003cli\u003eWide operating temperature range supports use in engines and hot systems without rapid degradation.\u003c\/li\u003e\n \u003cli\u003eAS568A sizing and the 17 in ID\/17.5 in OD dimensions make it a drop-in replacement where that standard is required.\u003c\/li\u003e\n \u003cli\u003eCustomers report good fit and value for money when replacing injector and hose seals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eSome buyers note the ring can be thinner than expected and the color may not match the brown shown, so verify fit visually before final installation.\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 elastomer)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eDurometer\u003c\/td\u003e\n\u003ctd\u003e75A\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCross-section\u003c\/td\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eInner diameter\u003c\/td\u003e\n\u003ctd\u003e17 in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003e17.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e1\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eMeets Aerospace Standard AS568A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 463 Viton O-Ring is a sensible pick for repairs where heat, fuel and solvent resistance are required and where AS568A sizing is expected. It delivers dependable sealing performance and good value as a single replacement part, though installers should confirm chemical compatibility and note occasional variation in thickness or color before final installation.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this O-ring suitable for fuel systems?\u003c\/strong\u003e\u003cbr\u003eYes. Made of Viton, it is compatible with many fuels and aromatic hydrocarbons, making it suitable for non-flammable hydraulic fuels and fuel system seals when chemical compatibility is confirmed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat temperature range will it tolerate?\u003c\/strong\u003e\u003cbr\u003eThe ring is rated for use from -15 degrees F up to 400 degrees F, allowing use in both cold starts and high-heat engine or pump applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it resist all chemicals?\u003c\/strong\u003e\u003cbr\u003eNo. Viton resists many solvents and oils but is vulnerable to low molecular organic acids, ammonia gas, alkalis and some amines, so check compatibility for aggressive chemicals.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48618391175387,"sku":"B0051Y1R20","price":36.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51CHpzVmesL._SL1253_2623722a-2b21-4413-a8b4-b18dc3696495.jpg?v=1778498393","url":"https:\/\/gearmusthave.com\/products\/463-viton-o-ring-75a-durometer-17-in-id-high-temperature-seal","provider":"GearMustHave","version":"1.0","type":"link"}