{"product_id":"hihaha-5-16-inch-boat-fuel-connector-kit-stainless-steel-male-female-with-locking-nut","title":"Hihaha 5\/16-inch Boat Fuel Connector Kit — Stainless Steel Male \u0026 Female with Locking Nut","description":"\u003cp\u003e\u003cstrong\u003eHihaha's 5\/16\" stainless-steel fuel connector kit provides a leak-resistant male and female adapter with locking nut to join 5\/16\" (8mm) fuel lines on compatible Tohatsu and Nissan outboard engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact connector set is engineered to replace worn fittings or to adapt fuel hose assemblies on 2- and 4-stroke outboard motors from 5 to 90 HP. It combines a male fitting, a female fitting with multiple barbs, an O‑ring seal and a separate locking nut so you can re-establish a secure, corrosion-resistant fuel connection between the tank, hose and engine. The components are suited to common Tohatsu and Nissan part shapes, but buyers should visually confirm fit before installation.\u003c\/p\u003e\n\n\u003ch3\u003eWill this fit my Tohatsu or Nissan outboard engine?\u003c\/h3\u003e\n\u003cp\u003eCompatibility covers many small to mid-size outboards from both manufacturers, including engines in the 5–90 HP range. Check the shape and barb count against your current fittings and confirm the hose inner diameter is 5\/16\" (8 mm).\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits engines like M50D2, M40D2, NS5B, NS70C and similar models.\u003c\/li\u003e\n  \u003cli\u003eDesigned for 2- and 4-stroke fuel systems using 5\/16\" (8 mm) hose.\u003c\/li\u003e\n  \u003cli\u003eVisual match and part-number verification recommended before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the kit reduce fuel leaks and vibration issues?\u003c\/h3\u003e\n\u003cp\u003eThe female side uses four barbs and the male side uses two barbs to grip the hose, while an O‑ring provides a pressure seal at the mating faces. The extra locking nut lets you secure the connection against vibration common in marine engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eO‑ring creates a primary seal at the mating interface.\u003c\/li\u003e\n  \u003cli\u003eFour-barbed female fitting improves hose retention on the tank\/engine side.\u003c\/li\u003e\n  \u003cli\u003eStainless-steel construction resists rusting in salty environments.\u003c\/li\u003e\n  \u003cli\u003eLocking nut prevents the fitting from backing out under vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and parts are included in the package?\u003c\/h3\u003e\n\u003cp\u003eThe set is made from stainless steel for corrosion resistance and includes the essential fittings to create a complete inline fuel connection. It arrives as a simple three-piece kit so you can swap parts quickly during routine maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x male fuel connector (engine side)\u003c\/li\u003e\n  \u003cli\u003e1 x female fuel connector (engine side) with 4 barbs\u003c\/li\u003e\n  \u003cli\u003e1 x stainless-steel locking nut\u003c\/li\u003e\n  \u003cli\u003eBuilt-in O‑ring for leak prevention\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install this connector safely?\u003c\/h3\u003e\n\u003cp\u003eTurn off fuel supply, drain or clamp the line, then cut and slide the hose onto the appropriate barb side using marine-grade clamps or the supplied nut where applicable. Ensure the O‑ring is seated and test the system for leaks before returning to service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWork in a well-ventilated area away from open flame.\u003c\/li\u003e\n  \u003cli\u003eConfirm hose inner diameter is 5\/16\" (8 mm) and cut squarely.\u003c\/li\u003e\n  \u003cli\u003eUse hose clamps or the locking nut; torque hand-tight then test.\u003c\/li\u003e\n  \u003cli\u003eCheck for leaks under light pressure before operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Hihaha connector kit is aimed at boat owners, technicians and DIY marine mechanics who need a durable, corrosion-resistant replacement fuel fitting for small to medium Tohatsu or Nissan outboards. It suits people doing routine maintenance, replacing cracked plastic fittings, or retrofitting older hoses to restore a secure, leak-resistant fuel connection without complex modifications.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit fit 5\/16 inch fuel hoses?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it’s designed for 5\/16\" (8 mm) inner-diameter fuel lines used on many small outboards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the connector corrosion resistant for saltwater use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The fittings are stainless steel, which offers improved resistance to rust and marine corrosion.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hihaha","offers":[{"title":"Default Title","offer_id":48085557477534,"sku":"B0CC5V1KSM","price":39.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/hihaha-front-packaging-connector-kit.jpg?v=1785873154","url":"https:\/\/northtrailauto.ca\/products\/hihaha-5-16-inch-boat-fuel-connector-kit-stainless-steel-male-female-with-locking-nut","provider":"North Trail Auto","version":"1.0","type":"link"}