{"product_id":"m-4p1x1p6-p-or-bi-sms-b70","title":"SMS 1588 4.1x1.6 Buna-N Nitrile (70A) Metric O-Ring, 70A Durometer, 4.1mm ID x 1.6mm CS (0.161\" x 0.063\", 7.3mm 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 SMS 1588 4.1x1.6 o-ring, a standard metric sealing size measuring 4.1mm inside diameter by 1.6mm cross-section (0.161\" ID x 0.063\" CS, 7.3mm outer diameter), molded in 70A Buna-N Nitrile rubber.\u003c\/p\u003e\u003cbr\u003e\u003cb\u003eFull Compatibility:\u003c\/b\u003e SMS 1588 4.1x1.6 is an international-standard o-ring size used across pumps, valves, filters, fittings and machinery worldwide. If your application calls for a 4.1mm x 1.6mm 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":"25-Pack","offer_id":48610033991885,"sku":"M.4p1x1p6.25.OR.BI.SMS.B70","price":14.99,"currency_code":"USD","in_stock":true},{"title":"50-Pack","offer_id":48610034024653,"sku":"M.4p1x1p6.50.OR.BI.SMS.B70","price":20.99,"currency_code":"USD","in_stock":true},{"title":"100-Pack","offer_id":48610034057421,"sku":"M.4p1x1p6.100.OR.BI.SMS.B70","price":30.99,"currency_code":"USD","in_stock":true},{"title":"250-Pack","offer_id":48610034090189,"sku":"M.4p1x1p6.250.OR.BI.SMS.B70","price":66.99,"currency_code":"USD","in_stock":true},{"title":"500-Pack","offer_id":48610034122957,"sku":"M.4p1x1p6.500.OR.BI.SMS.B70","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/8110\/0237\/files\/AS568-008_0b2458d9-ae73-4035-9bf7-4310457741f8.png?v=1785883699","url":"https:\/\/beaverislandparts.com\/products\/m-4p1x1p6-p-or-bi-sms-b70","provider":"Beaver Island Parts Company","version":"1.0","type":"link"}