West Marine
Sierra O-Ring replaces: Mercury Marine 25-47254

Sierra O-Ring replaces: Mercury Marine 25-47254

Sierra O-Ring replaces: Mercury Marine 25-47254. Sierra Marine engine parts are designed to meet or exceed the OEM part they are intended to replace and theyare backed by the SeaStar Solutions Two-Year Warranty—one of the best in the business.We offer a variety of O-rings, oil seals and seal kits for most engine applications on the water today—including MerCruiser, OMC, Johnson/Evinrude, Volvo and more.How to find the O-ring you needMany of the O-rings we offer fit multiple applications. Notice in the list below that in addition toJohnson/Evinrude and OMC applications, there are a variety of other engine applications for the O-rings offeredhere. O-rings can also be selected by inside diameter and width, which also appear in the table.The Sierra Engine Parts SelectorIf you do not see the O-ring (or other engine part) you need, please visit the Sierra Engine Parts Selector,where you can search by engine make, model, serial number or year of manufacture. Sierra #ApplicationReplaces OEM Part #I.D.WidthQty.Model18-7107-9GLM824804.750"0.135"51051898318-7107-9Johnson/Evinrude OB3131754.750"0.135"51051898318-7107-9Mercury Marine25-672024.750"0.135"51051898318-7107-9OMC Stern Drive3131754.750"0.135"51051898318-7413-9GLM801100.301"0.070"51051957718-7413-9Johnson/Evinrude OB3031910.301"0.070"51051957718-7413-9Mercury Marine25-221750.301"0.070"51051957718-7413-9Mercury Sport Jet25-627020.301"0.070"51051957718-7413-9OMC Stern

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