{"product_id":"prop-nut-for-mercury-9-9-25-hp-1986-up-replaces-11-88228-sierra-18-3703","title":"Sierra Prop Nut 18-3703, Replaces 11-88228, Fits 9.9-25 HP Outboard Motors 1986-Up","description":"\u003cp\u003eThe Sierra 18-3703 Prop Nut is a machined aluminum propeller nut built to secure the propeller onto the prop shaft on 9.9-25 HP outboard motors, 1986 and up. It is manufactured to meet or exceed the quality of the original equipment part it replaces, giving boat owners a dependable, exact-fit hardware option when servicing the lower unit or swapping a propeller.\u003c\/p\u003e\u003cp\u003eThe nut uses a 3\/8 inch - 16 UNC thread with a Class 2B thread fit and a fully threaded, flat-style design, finished in a machined silver appearance. Its compact, lightweight construction (0.02 pounds) makes it an easy, low-cost keep-on-hand spare for anyone who regularly removes or reinstalls a propeller.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-3703\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Prop Nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 3\/8 inch - 16 UNC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Unified National Coarse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Class:\u003c\/strong\u003e Class 2B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Coverage:\u003c\/strong\u003e Fully Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Head Style:\u003c\/strong\u003e Flat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Groove Diameter:\u003c\/strong\u003e 0.38 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.02 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Pieces:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282111953\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e9.9-25 HP outboard motors, 1986-Up\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e11-88228\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-3703 prop nut fit?\u003c\/strong\u003e The Sierra 18-3703 prop nut fits 9.9-25 HP outboard motors, 1986 and up.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-3703 a direct replacement for OEM part 11-88228?\u003c\/strong\u003e Yes, the 18-3703 replaces OEM part number 11-88228 and is manufactured to meet or exceed the original equipment part's quality.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the 18-3703 prop nut made from?\u003c\/strong\u003e It is made from aluminum with a machined silver finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat thread size does the 18-3703 use?\u003c\/strong\u003e The 18-3703 prop nut has a 3\/8 inch - 16 UNC thread with a Class 2B thread fit and is fully threaded.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-3703 prop nut weigh?\u003c\/strong\u003e The Sierra 18-3703 prop nut weighs 0.02 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a genuine Sierra part or an aftermarket copy?\u003c\/strong\u003e The 18-3703 is a genuine Sierra-manufactured prop nut, built to meet or exceed the original equipment part it replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat comes in the box when I order the 18-3703?\u003c\/strong\u003e You receive one Sierra 18-3703 prop nut; no additional hardware or cotter pins are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does the 18-3703 differ from the Sierra 18-3704 prop nut?\u003c\/strong\u003e The 18-3703 replaces OEM number 11-88228 for 9.9-25 HP outboards 1986-Up, while the 18-3704 is a separate part number that replaces a different OEM number, 11-69578, so the two are not interchangeable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the compatible groove diameter on the 18-3703 prop nut?\u003c\/strong\u003e The Sierra 18-3703 prop nut has a compatible groove diameter of 0.38 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for the Sierra 18-3703 prop nut?\u003c\/strong\u003e The UPC for the Sierra 18-3703 prop nut is 808282111953.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988162162907,"sku":"SIE-18-3703","price":5.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-3703_lg__03764.1558125746.500.750.jpg?v=1785188687","url":"https:\/\/www.goodvibesmarina.com\/products\/prop-nut-for-mercury-9-9-25-hp-1986-up-replaces-11-88228-sierra-18-3703","provider":"Good Vibes Marina","version":"1.0","type":"link"}