{"product_id":"207-viton-o-ring-75a-9-16in-id-13-16in-od-pack-of-100-durable-seal","title":"207 Viton O-Ring 75A 9\/16in ID 13\/16in OD Pack of 100 - Durable Seal","description":"\u003cp\u003eIn this review of the 207 Viton O-Ring pack, the bottom line is simple: this set is for anyone who needs reliable, heat- and chemical-resistant seals in bulk. The reviewer found these O-rings especially useful for automotive injector seals and general plumbing or hydraulic repairs where resistance to fuels, oils and high temperature is required. The major reason to buy is the material - brown Viton at 75A durometer - which delivers a consistent seal across a wide temperature range and aggressive fluid exposure.\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, fuel and many chemicals so the rings last longer in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurometer:\u003c\/strong\u003e 75A hardness provides a balanced combination of flexibility and compression set resistance for reliable sealing under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated from -26C to 232C, these rings remain functional in very low and very high temperature service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e Nominal 9\/16in ID and 13\/16in OD with close actual dimensions, making fit predictable for AS568 size installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk pack:\u003c\/strong\u003e Supplied as a pack of 100, convenient for maintenance shops and repeat repairs without frequent reordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical compatibility:\u003c\/strong\u003e Performs well with petroleum fuels, diesel, biodiesel blends, silicone oils, and many hydrocarbons for versatile use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe 207 Viton O-Ring pack suits automotive technicians, shop mechanics, and DIYers who work with fuel systems, injectors, or fittings that see high temperatures and hydrocarbon exposure. The pack quantity and stable material make it appropriate for preventive maintenance or keeping a parts bin stocked.\u003c\/p\u003e\n\u003cp\u003eThose who need o-rings resistant to strong alkalis, ammonia, or certain low molecular organic acids should look elsewhere, since Viton has known vulnerabilities with those specific chemistries. Also, if an exact color match or a thicker cross-section is critical, verify fit first because some customers noted perceived variance in thickness and color.\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\u003eHigh chemical and heat resistance from the \u003cstrong\u003eViton material\u003c\/strong\u003e gives dependable sealing in petroleum and high-temperature applications.\u003c\/li\u003e\n\u003cli\u003ePack of 100 is cost-effective for frequent repairs and routine maintenance.\u003c\/li\u003e\n\u003cli\u003eActual dimensions closely match nominal sizes, so these typically fit standard AS568 applications without guesswork.\u003c\/li\u003e\n\u003cli\u003eCustomers report good leak prevention and proper fit for common uses like injector seals and garden hose fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users reported the rings feel thinner than expected, so confirm cross-section suitability for critical seals.\u003c\/li\u003e\n\u003cli\u003eViton is not compatible with certain alkalis, ammonia, or some organic acids, limiting use in those chemistries.\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\u003eNominal dimensions\u003c\/td\u003e\n\u003ctd\u003e9\/16in ID, 13\/16in OD, 1\/8in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual dimensions\u003c\/td\u003e\n\u003ctd\u003e0.546in ID, 0.824in OD, 0.139in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetric dimensions\u003c\/td\u003e\n\u003ctd\u003e13.87 mm ID, 20.93 mm OD, 3.53 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\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003ePack of 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 207 Viton O-Ring pack is a practical choice for anyone needing reliable seals that resist fuels, oils and high temperatures; its close dimensional tolerances and 75A hardness deliver consistent performance and value for maintenance work. Buy this pack if you need a bulk supply of AS568-compatible Viton rings for automotive, plumbing, or hydraulic use, but test for thickness and chemical compatibility when working with aggressive alkalis or unusual fluids.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these o-rings the AS568 size standard?\u003c\/strong\u003e\u003cbr\u003eYes, they are produced to match AS568 nominal sizing and the actual measurements are listed for confirmation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these resist gasoline and diesel exposure?\u003c\/strong\u003e\u003cbr\u003eYes, Viton is compatible with petroleum fuels, diesel and many hydrocarbon blends, making these suitable for fuel-system seals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the color an indicator of material or quality?\u003c\/strong\u003e\u003cbr\u003eThe brown color corresponds to the Viton compound used but does not affect sealing performance; some customers noted color variance yet confirmed proper fit and function.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48626149654747,"sku":"B00M91F0MQ","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51bQwBXtvSL._SL1100.jpg?v=1778469972","url":"https:\/\/gearmusthave.com\/products\/207-viton-o-ring-75a-9-16in-id-13-16in-od-pack-of-100-durable-seal","provider":"GearMustHave","version":"1.0","type":"link"}