{"product_id":"m-2041-84-p-or-bi-bs45-b90","title":"BS 4518 2041-84 Buna-N Nitrile (90A) Metric O-Ring, 90A Durometer, 204.1mm ID x 8.4mm CS (8.035\" x 0.331\", 220.9mm OD) - Precision-Molded Replacement Sealing Ring for Pumps, Valves \u0026 Fittings","description":"\u003cp\u003eChasing a leak or a slow drip and need the exact metric o-ring size to seal it for good? A worn or wrong-size o-ring lets fluid weep past the joint, drops pressure, and can damage the equipment around it.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis Beaver Island Parts Company replacement o-ring is a single BS 4518 2041-84 o-ring, a standard metric sealing size measuring 204.1mm inside diameter by 8.4mm cross-section (8.035\" ID x 0.331\" CS, 220.9mm outer diameter), molded in 90A Buna-N Nitrile rubber.\u003c\/p\u003e\u003cbr\u003e\u003cb\u003eFull Compatibility:\u003c\/b\u003e BS 4518 2041-84 is an international-standard o-ring size used across pumps, valves, filters, fittings and machinery worldwide. If your application calls for a 204.1mm x 8.4mm o-ring, this is the size.\u003cbr\u003e\u003cb\u003eInstallation Note:\u003c\/b\u003e Clean the groove, inspect the sealing surface, seat the new o-ring without twisting it, and lubricate before assembly.\u003cbr\u003e\u003cb\u003ePro Tip:\u003c\/b\u003e Apply \u003ca href=\"https:\/\/beaverislandparts.com\/products\/aqua-flex-food-grade-silicone-lubricant-50g\" target=\"_blank\" rel=\"noopener\"\u003eAqua Flex\u003c\/a\u003e lubricant before installation to ease seating and extend seal life.\u003cbr\u003e\u003cp\u003eWe are an American family-owned and operated small business committed to high-quality replacement parts and honest fitment information.\u003c\/p\u003e","brand":"Beaver Island Parts Company","offers":[{"title":"1 (Single)","offer_id":48609995817165,"sku":"M.2041-84.1.OR.BI.BS45.B90","price":10.99,"currency_code":"USD","in_stock":true},{"title":"5-Pack","offer_id":48609995849933,"sku":"M.2041-84.5.OR.BI.BS45.B90","price":26.99,"currency_code":"USD","in_stock":true},{"title":"10-Pack","offer_id":48609995882701,"sku":"M.2041-84.10.OR.BI.BS45.B90","price":41.99,"currency_code":"USD","in_stock":true},{"title":"25-Pack","offer_id":48609995915469,"sku":"M.2041-84.25.OR.BI.BS45.B90","price":94.99,"currency_code":"USD","in_stock":true},{"title":"50-Pack","offer_id":48609995948237,"sku":"M.2041-84.50.OR.BI.BS45.B90","price":160.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/8110\/0237\/files\/AS568-445_4def4a3a-29d7-4a35-aa45-329e234d9b40.png?v=1785883300","url":"https:\/\/beaverislandparts.com\/products\/m-2041-84-p-or-bi-bs45-b90","provider":"Beaver Island Parts Company","version":"1.0","type":"link"}