{"product_id":"sierra-18-8109-hose-barb-fitting-5-16-in-barb-x-3-8-in-npt-male-marine-fuel-water-line-connector","title":"Sierra Hose Barb 5\/16 Inch Barb x 3\/8 Inch NPT Male, 18-8109","description":"\u003cp\u003eThe Sierra 18-8109 is a hose barb fitting built to connect marine hose to a 3\/8 inch male NPT threaded port. One end of the fitting is a 5\/16 inch barb designed to grip hose securely under vibration and pressure, while the opposite end threads directly into a fitting or component using standard 3\/8 inch NPT male threads. It is manufactured with a machined finish for a consistent, leak-resistant seal at both the hose connection and the threaded joint.\u003c\/p\u003e\u003cp\u003eThis fitting is used wherever a boat's plumbing, fuel, or cooling system needs to transition from hose to a threaded NPT port, and it is sized to work with 5\/16 inch inside diameter hose. Sierra engineers its parts to meet or exceed the performance of the original equipment they replace, and the company supplies OEM engine manufacturers and boat builders with parts on a daily basis, so the 18-8109 is built to the same demands as factory-installed hardware. Its compact dimensions and single-piece construction make it a straightforward, drop-in solution for hose-to-threaded-port connections in the engine compartment or fuel and cooling lines.\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 18-8109\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarb Size:\u003c\/strong\u003e 5\/16 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 3\/8 inch NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e Barb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Finish:\u003c\/strong\u003e Machined\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 0.07 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Count:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eUniversal hose barb fitting sized for 5\/16 inch hose and 3\/8 inch NPT male threaded ports; not restricted to a specific engine or model.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat size hose does the Sierra 18-8109 fit?\u003c\/strong\u003e The Sierra 18-8109 has a 5\/16 inch barb end, so it is sized for hose with a 5\/16 inch inside diameter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat thread does the other end of the 18-8109 use?\u003c\/strong\u003e The opposite end of the 18-8109 is a 3\/8 inch male NPT thread, allowing it to screw directly into a threaded port or fitting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-8109 a straight fitting or an elbow?\u003c\/strong\u003e The 18-8109 is a straight hose barb, transitioning in a single line from the 5\/16 inch barb to the 3\/8 inch NPT male thread.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the 18-8109 made from and how is it finished?\u003c\/strong\u003e The 18-8109 has a machined exterior finish, giving it precise, consistent threads and a tight seal at both connection points.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-8109 weigh?\u003c\/strong\u003e The 18-8109 weighs 0.07 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of the 18-8109 hose barb?\u003c\/strong\u003e The Sierra 18-8109 measures 0.39 x 0.39 x 0.39 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-8109 come with any other hardware?\u003c\/strong\u003e The 18-8109 ships as a single hose barb fitting with no additional hardware included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the 18-8109 fit any boat with a 3\/8 inch NPT port?\u003c\/strong\u003e Yes, the 18-8109 is a universal fitting sized to any 3\/8 inch NPT male threaded port paired with 5\/16 inch hose, rather than being limited to one specific engine or model.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs Sierra's 18-8109 built to OEM standards?\u003c\/strong\u003e Sierra engineers the 18-8109 to meet or exceed the performance of the original equipment part it replaces, using the same quality standards Sierra supplies to OEM engine manufacturers and boat builders.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the 18-8109 be used on fuel lines as well as cooling lines?\u003c\/strong\u003e The 18-8109 hose barb is a general-purpose fitting for connecting 5\/16 inch hose to a 3\/8 inch NPT male port, suitable wherever that hose-to-thread transition is needed on a boat.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many 18-8109 fittings come in a package?\u003c\/strong\u003e The Sierra 18-8109 is sold as a single unit, one hose barb per package.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988433187035,"sku":"SIE-18-8109","price":5.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/sie-18-8109_lg__97950.1637356383.500.750.jpg?v=1785188951","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-8109-hose-barb-fitting-5-16-in-barb-x-3-8-in-npt-male-marine-fuel-water-line-connector","provider":"Good Vibes Marina","version":"1.0","type":"link"}