{"product_id":"hihitomorrow-5-8-in-a-c-line-splice-kit-hose-to-hard-line-repair-aluminum-rubber-universal-fit","title":"Hihitomorrow 5\/8 in A\/C Line Splice Kit — Hose-to-Hard-Line Repair, Aluminum \u0026 Rubber, Universal Fit","description":"\u003cp\u003e\u003cstrong\u003eHihitomorrow 800-670 is a universal 5\/8\" A\/C line splice kit that repairs a leaking hose-to-hard-line junction without replacing the entire assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you have a refrigerant leak where a 5\/8\" rubber hose meets a hard metal line, this splice connector lets you cut out the damaged section and restore a secure, pressure-ready connection. The kit is built from high-temperature aluminum and rubber components to resist corrosion and maintain a tight seal under automotive service conditions. It’s designed for DIY-friendly installation so you can address the leak quickly and avoid the cost and downtime of swapping full-length hoses or visiting a shop.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this splice connector stop leaks and restore the line?\u003c\/h3\u003e\n\n\u003cp\u003eThe splice connector creates a new, sealed junction between the 5\/8\" flexible hose and the hard air-conditioning line by compressing or clamping the rubber hose over an aluminum fitting. Its materials and geometry are chosen for resistance to refrigerants, heat, and vibration common in vehicle A\/C systems. When installed correctly, it re-establishes a leak-free path for refrigerant flow without replacing long tubing runs.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWorks specifically with 5\/8\" A\/C hoses and compatible hard lines.\u003c\/li\u003e\n  \u003cli\u003eAluminum body resists corrosion and handles high under-hood temperatures.\u003c\/li\u003e\n  \u003cli\u003eRubber sealing portions compress to form a pressure-tight interface.\u003c\/li\u003e\n  \u003cli\u003eDesigned to minimize vibration-driven loosening when properly tightened.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools and steps are needed to install the 800-670 splice kit?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is intended to be straightforward and possible with basic hand tools: cutters, a file or deburring tool, and a wrench set for tightening. The process generally involves cutting away the damaged hose section, preparing the hose and hard line ends, sliding on the splice components, and securing the clamps or fittings to create a sealed joint. No specialized refrigeration equipment is required to fit the splice, though a pressure test and refrigerant recharge should follow industry best practices.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCut damaged hose cleanly and deburr metal line ends for a smooth mating surface.\u003c\/li\u003e\n  \u003cli\u003eSlide splice fitting and rubber sleeve into position over both ends.\u003c\/li\u003e\n  \u003cli\u003eTighten clamps or fittings to manufacturer torque recommendations.\u003c\/li\u003e\n  \u003cli\u003ePressure-test and leak-check after installation before recharging refrigerant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part fit my vehicle’s A\/C system and last under normal use?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit is labeled as a universal repair for 5\/8\" A\/C lines, so it fits systems that use that hose size and a compatible hard line diameter. Its aluminum and rubber construction is chosen for durability in typical engine-bay heat and vibration conditions, but longevity depends on correct installation and the overall condition of adjacent components. It’s best used to repair a discrete damaged section rather than as a permanent fix for heavily corroded or structurally compromised tubing.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSpecifically made for 5\/8\" hose-to-hard-line repairs.\u003c\/li\u003e\n  \u003cli\u003eDurable materials help resist heat and corrosive environments.\u003c\/li\u003e\n  \u003cli\u003eIntended for localized repair — replace entire assemblies when lines are extensively damaged.\u003c\/li\u003e\n  \u003cli\u003eRecommended follow-up: leak check and refrigerant system service after repair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow much time and money can I expect to save using a splice kit?\u003c\/h3\u003e\n\n\u003cp\u003eRepairing only the damaged section generally lowers parts costs and reduces labor time compared with replacing full-length hoses or hard lines. For a competent DIYer the swap commonly takes under an hour, while a shop may charge additional labor; avoiding wholesale replacement can save both money and vehicle downtime. Savings scale with the complexity of the original assembly and accessibility of the leaked section.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eQuick fix: many repairs take under an hour for accessible lines.\u003c\/li\u003e\n  \u003cli\u003eLower parts cost versus full hose or line assemblies.\u003c\/li\u003e\n  \u003cli\u003eReduces vehicle out-of-service time compared to complete replacements.\u003c\/li\u003e\n  \u003cli\u003ePotential laborsavings for DIYers; shops may still perform pressure testing and recharge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Hihitomorrow 800-670 splice kit is made for mechanics and DIY vehicle owners who need a cost-effective, localized repair for a 5\/8\" A\/C hose-to-hard-line leak. It suits people comfortable with basic hand tools and following leak-test and refrigerant service best practices. If your system has widespread corrosion or multiple damaged sections, consider replacing entire hoses or consulting a professional.\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 splice kit work only with 5\/8\" hoses?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it’s engineered specifically for 5\/8\" A\/C hoses to hard line connections; check your hose diameter before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install the splice connector?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special refrigeration tools are required—basic cutters, deburring tool, and wrenches are usually sufficient.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hihitomorrow","offers":[{"title":"Default Title","offer_id":48086785949854,"sku":"B0DTPSYHN1","price":63.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/hihitomorrow-front-packaging.jpg?v=1785905132","url":"https:\/\/northtrailauto.ca\/products\/hihitomorrow-5-8-in-a-c-line-splice-kit-hose-to-hard-line-repair-aluminum-rubber-universal-fit","provider":"North Trail Auto","version":"1.0","type":"link"}