{"product_id":"sierra-18-2303-anchor-screw-set-replaces-mercruiser-10-20518-fits-1r-mr-alpha-gen-ii-bravo-drives-pkg-of-25","title":"Sierra Anchor Screw Set 18-2303, Replaces 10-20518, for MerCruiser #1R, MR, Alpha, Alpha I, Gen II \u0026 Bravo Drives, Pack of 25","description":"\u003cp\u003eThe Sierra Anchor Screw Set, part number 18-2303, is a package of 25 machine screws designed as anchor screws for MerCruiser I\/O drive systems, covering the #1R, MR, Alpha, Alpha I, Gen II, and Bravo drive models. These fully threaded machine screws are used to secure components within the MerCruiser drive assembly and are supplied as a direct replacement for OEM part number 10-20518, letting you restore original fastening specifications during a drive service or rebuild.\u003c\/p\u003e\u003cp\u003eEach screw set arrives sized at 0.39 x 0.39 x 0.39 inches per unit, with the full package of 25 screws weighing 0.17 pounds. Being fully threaded, the screws are ready to install without additional machining, making this set convenient to have on hand for routine MerCruiser drive maintenance, rebuilds, or when replacing lost or damaged anchor screws. Ordering the correct Sierra part number ensures fitment consistency across the covered MerCruiser drive lineup.\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 18-2303\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Anchor Screw Set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 25 screws per package\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener Type:\u003c\/strong\u003e Machine Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Coverage:\u003c\/strong\u003e Fully Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Dimensions:\u003c\/strong\u003e 0.39 x 0.39 x 0.39 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.17 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282101206\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eMerCruiser I\/O drive systems: #1R, MR, Alpha, Alpha I, Gen II, and Bravo\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e10-20518\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Sierra 18-2303 Anchor Screw Set used for?\u003c\/strong\u003e The Sierra 18-2303 Anchor Screw Set is a package of 25 machine screws used as anchor screws in MerCruiser I\/O drive systems, covering the #1R, MR, Alpha, Alpha I, Gen II, and Bravo drive models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich MerCruiser drives does part number 18-2303 fit?\u003c\/strong\u003e Part number 18-2303 is designed for MerCruiser #1R, MR, Alpha, Alpha I, Gen II, and Bravo drive systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part number does the 18-2303 Anchor Screw Set replace?\u003c\/strong\u003e The Sierra 18-2303 Anchor Screw Set replaces OEM part number 10-20518.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many screws come in the 18-2303 package?\u003c\/strong\u003e Each package of the Sierra 18-2303 Anchor Screw Set contains 25 screws.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of each screw in the 18-2303 set?\u003c\/strong\u003e Each screw in the 18-2303 Anchor Screw Set measures 0.39 x 0.39 x 0.39 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-2303 Anchor Screw Set weigh?\u003c\/strong\u003e The full package of the Sierra 18-2303 Anchor Screw Set weighs 0.17 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the screws in the 18-2303 set fully threaded?\u003c\/strong\u003e Yes, the screws in the Sierra 18-2303 Anchor Screw Set are fully threaded machine screws, ready to install without additional preparation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-2303 Anchor Screw Set genuine Sierra hardware?\u003c\/strong\u003e Yes, part number 18-2303 is a Sierra-manufactured Anchor Screw Set, sold as a direct replacement for the OEM screws used in the covered MerCruiser drive systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat fastener type is included in the 18-2303 set?\u003c\/strong\u003e The Sierra 18-2303 set includes machine screws, specifically anchor screws for MerCruiser drive applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the 18-2303 Anchor Screw Set be used for a MerCruiser drive rebuild?\u003c\/strong\u003e Yes, the 25-piece Sierra 18-2303 Anchor Screw Set is suited for MerCruiser drive maintenance and rebuild work on the #1R, MR, Alpha, Alpha I, Gen II, and Bravo models, since it replaces OEM part 10-20518.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988105769179,"sku":"SIE-18-2303","price":1.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/18-2303__34549.1737828430.500.750.jpg?v=1785188452","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-2303-anchor-screw-set-replaces-mercruiser-10-20518-fits-1r-mr-alpha-gen-ii-bravo-drives-pkg-of-25","provider":"Good Vibes Marina","version":"1.0","type":"link"}