{"product_id":"cheemuii-23-piece-brass-dot-air-fittings-kit-1-4-3-8-1-2-in-quick-connect","title":"CheeMuii 23-Piece Brass DOT Air Fittings Kit — 1\/4, 3\/8, 1\/2 in Quick Connect","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet CheeMuii's 23-Piece Brass DOT Air Fittings Kit, a compact, versatile collection designed to support quick, reliable connections for air lines across semi trucks, trailers, and workspaces. Instead of juggling loose fittings, this kit bundles 8x 1\/4\", 8x 3\/8\", and 6x 1\/2\" straight unions along with a tube cutter, giving you the right size for a range of tasks in one purchase.\u003c\/p\u003e\n\u003cp\u003eWhat’s inside: 23 precision-made DOT fittings plus a sturdy tube cutter, organized so you can grab the right piece fast and get back to the job.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8 x 1\/4\" straight union DOT fittings\u003c\/li\u003e\n\u003cli\u003e8 x 3\/8\" straight union DOT fittings\u003c\/li\u003e\n\u003cli\u003e6 x 1\/2\" straight union DOT fittings\u003c\/li\u003e\n\u003cli\u003e1 x tube cutter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePremium brass, proven performance\u003c\/h3\u003e\n\u003cp\u003eCrafted from CA360 brass, these fittings resist corrosion and maintain ductility under heat, enabling steady connections when conditions get tough. They meet key industry standards (DOT FMVSS 571.106 and SAE J1131) for air brake components, helping you work with confidence.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCorrosion resistance supports longevity in harsh environments\u003c\/li\u003e\n\u003cli\u003eHigh-temperature ductility reduces risk of stress at vibration points\u003c\/li\u003e\n\u003cli\u003eLow permeability helps maintain consistent pressure in lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEffortless, push-to-connect operation\u003c\/h3\u003e\n\u003cp\u003eThe fittings are designed for tool-free use: simply push the tube into the opening until it seats, then pull lightly to remove. This design speeds maintenance and minimizes downtime on the road or in the shop.\u003c\/p\u003e\n\u003ch3\u003eWide operating range and broad compatibility\u003c\/h3\u003e\n\u003cp\u003eThese brass DOT fittings are rated for vacuum up to 300 psi and temperatures from -40°F to +200°F (-40°C to +93°C). Always check your tubing manufacturer's limits, but these fittings work well with air brake lines, copper tubing, and general air line work in trucks, RVs, and industrial settings.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOperates across a wide temperature range\u003c\/li\u003e\n\u003cli\u003eSuitable for air suspension systems and copper tubing\u003c\/li\u003e\n\u003cli\u003eUseful for truck, RV, workshop, garden, and towing equipment maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world applications\u003c\/h3\u003e\n\u003cp\u003eKeep a ready-to-use kit in your service truck or garage to handle routine repairs, leaks, or upgrades. The compact set helps technicians and DIY enthusiasts improve reliability and speed during everyday air line tasks.\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: Is this kit DOT approved?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It uses CA360 brass and meets DOT FMVSS 571.106 and SAE J1131 for air brake systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the 23-piece set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes eight 1\/4 in, eight 3\/8 in, six 1\/2 in straight union DOT fittings, plus one tube cutter.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CheeMuii","offers":[{"title":"Default Title","offer_id":42494993596501,"sku":"B0CPLY76VN","price":56.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/cheemuii-23pcs-dot-air-fittings-kit-package.jpg?v=1778668894","url":"https:\/\/plentytorque.co.uk\/products\/cheemuii-23-piece-brass-dot-air-fittings-kit-1-4-3-8-1-2-in-quick-connect","provider":"PlentyTorque","version":"1.0","type":"link"}