{"product_id":"cheemuii-43-piece-brass-dot-air-line-fittings-kit-push-lock-npt-ca360-brass-1-8-1-2-in-tubes","title":"CheeMuii 43-Piece Brass DOT Air Line Fittings Kit — Push-Lock \u0026 NPT, CA360 Brass, 1\/8–1\/2 in Tubes","description":"\u003cp\u003e\u003cstrong\u003eCheeMuii 43-piece brass DOT air line fittings kit is a complete push-lock and NPT-threaded assortment designed for DOT-compliant air brake and pneumatic connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit gathers commonly used brass fittings, a Schrader inflation valve, and a tube cutter into one portable set so you can repair or assemble air brake lines, air suspension tubing, and general pneumatic connections without hunting for individual parts. The pieces are machined from CA360 brass and are built to meet DOT and SAE air system standards for durability and compatibility with steel and copper tubing.\u003c\/p\u003e\n\n\u003ch3\u003eWhat components are included and which tube sizes do they fit?\u003c\/h3\u003e\n\u003cp\u003eThe set contains 43 pieces made to accommodate common airline diameters for vehicle and workshop use. It includes push-lock connectors and threaded NPT parts so you can mix quick-connect joins with traditional threaded fittings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6 brass tube tee fittings — for creating three-way splits\u003c\/li\u003e\n  \u003cli\u003e6 straight union connectors — for joining two lengths of tubing\u003c\/li\u003e\n  \u003cli\u003e14 straight push connectors with NPT thread — push-to-connect plus male NPT\u003c\/li\u003e\n  \u003cli\u003e14 90° elbows with NPT thread — right-angle threaded connections\u003c\/li\u003e\n  \u003cli\u003e2 brass 1\/4\" Schrader inflation valves — for topping off pressure\u003c\/li\u003e\n  \u003cli\u003e1 tube cutter — for clean, square tube cuts\u003c\/li\u003e\n  \u003cli\u003eCompatible tube sizes: 1\/8\", 1\/4\", 3\/8\", 1\/2\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable are the fittings and what standards do they meet?\u003c\/h3\u003e\n\u003cp\u003eThe fittings are produced from CA360 brass, which offers corrosion resistance and good ductility at elevated temperatures. The components meet DOT FMVSS 571.106 and follow SAE J1131 requirements for air brake system fittings, making them suitable for many vehicle air applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: CA360 brass — low permeability and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eCompliance: DOT FMVSS 571.106 and SAE J1131-compatible design\u003c\/li\u003e\n  \u003cli\u003ePre-applied NPT sealant on male threads to improve sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat pressure and temperature range can these fittings handle?\u003c\/h3\u003e\n\u003cp\u003eThese brass fittings are rated for a wide operating envelope, making them useful for most automotive and light-industrial pneumatic tasks. Always cross-check with your tubing manufacturer's pressure and temperature guidelines before final installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePressure capability: vacuum up to 800 psi\u003c\/li\u003e\n  \u003cli\u003eTemperature range: -65°F to +200°F (-40°C to +93°C)\u003c\/li\u003e\n  \u003cli\u003eRecommended: verify tubing ratings and routing for safe long-term service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy are they to install and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eThe push-to-connect design simplifies many installations—tubing typically just pushes into the connector for a secure hold—while the NPT-threaded parts use standard pipe thread engagement with pre-applied sealant. The included tube cutter gives you a neat cut; for final torque on threaded parts use appropriate wrenches to avoid overtightening.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eQuick-connect action for push fittings—no ferrules needed\u003c\/li\u003e\n  \u003cli\u003eNPT male threads include pre-applied sealant for faster sealing\u003c\/li\u003e\n  \u003cli\u003eIncluded tube cutter for clean tubing ends; use wrenches for threaded joints\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This CheeMuii kit is aimed at mechanics, RV and truck owners, fleet technicians, and DIYers who maintain air brake lines, air suspension systems, or pneumatic components. It provides a compact assortment for roadside repairs, shop projects, and routine maintenance where DOT-compatible brass fittings are required. If you need a portable selection of push-lock, elbow, tee, and threaded fittings for 1\/8\" to 1\/2\" tubing and want DOT\/SAE-oriented materials and ratings, this set covers those bases without buying parts separately.\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: Are these fittings safe for DOT air brake systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the brass fittings are CA360 and designed to meet DOT FMVSS 571.106 and SAE J1131-compatible requirements for air brake use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these fittings with PVC tubing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are meant for copper and compatible air tubing; check the tubing manufacturer's temperature and pressure ratings before using with PVC.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CheeMuii","offers":[{"title":"Default Title","offer_id":48080746578078,"sku":"B0C9SP94ZT","price":109.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/cheemuii-front-packaging-overview.jpg?v=1785785498","url":"https:\/\/northtrailauto.ca\/products\/cheemuii-43-piece-brass-dot-air-line-fittings-kit-push-lock-npt-ca360-brass-1-8-1-2-in-tubes","provider":"North Trail Auto","version":"1.0","type":"link"}