{"product_id":"cheemuii-1-4-dot-air-line-kit-50-ft-pa12-hose-with-12-ca360-brass-fittings-cutter-tape","title":"CheeMuii 1\/4\" DOT Air Line Kit — 50 ft PA12 Hose with 12 CA360 Brass Fittings, Cutter \u0026 Tape","description":"\u003cp\u003e\u003cstrong\u003eCheeMuii’s kit pairs a 50-foot 1\/4\" PA12 DOT air line with 12 brass DOT fittings to repair or build vehicle and equipment pneumatic lines reliably.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you need a ready-to-use air-line solution for trucks, trailers, RVs or workshop equipment, this kit bundles a long DOT-approved nylon hose with a full assortment of brass connectors and accessories. Every fitting is manufactured from CA360 brass to meet DOT and SAE standards, while the PA12 tubing provides temperature and pressure resistance for demanding applications. The package also includes a tube cutter and Teflon tape so you can start installations immediately.\u003c\/p\u003e\n\n\u003ch3\u003eWhat components are included and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains a 50 ft length of 1\/4\" PA12 DOT air hose and 12 brass fittings designed for DOT air brake and pneumatic systems. Included tooling and tape let you cut, seal, and join lines without extra purchases.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e50 ft of 1\/4\" PA12 DOT air hose (meets D.O.T. FMVSS 571.106 and SAE J844)\u003c\/li\u003e\n  \u003cli\u003e2 × 1\/4\" brass tube tee fittings for branching lines\u003c\/li\u003e\n  \u003cli\u003e2 × 1\/4\" brass straight union connectors for inline splices\u003c\/li\u003e\n  \u003cli\u003e4 × brass straight push fittings with NPT thread for quick connections\u003c\/li\u003e\n  \u003cli\u003e4 × NPT-threaded elbow fittings for routed or tight spaces\u003c\/li\u003e\n  \u003cli\u003e1 × tube cutter and 1 × roll of Teflon tape for clean cuts and sealed threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the hose perform under pressure and temperature extremes?\u003c\/h3\u003e\n\u003cp\u003eThe PA12 tubing in this kit is engineered for high-pressure operation and wide temperature ranges, making it suitable for vehicle air systems and industrial setups. It resists abrasion and chemical exposure better than basic hose types.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking range from vacuum up to 500 PSI (follow tubing manufacturer guidance)\u003c\/li\u003e\n  \u003cli\u003eOperational temperatures from -40°F to +248°F (-40°C to +120°C)\u003c\/li\u003e\n  \u003cli\u003eHigh impact and wear resistance extends service life in harsh conditions\u003c\/li\u003e\n  \u003cli\u003eFlexible enough to route without excessive kinking when installed properly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre the brass fittings DOT-compliant and why is that important?\u003c\/h3\u003e\n\u003cp\u003eThe fittings are fabricated from CA360 brass and are made to meet D.O.T. FMVSS 571.106 and SAE J1131 requirements, which is important for safety and compatibility in regulated vehicle air systems. Using compliant parts reduces leak risk and ensures better long-term performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCA360 brass for corrosion resistance and durability\u003c\/li\u003e\n  \u003cli\u003eMeets DOT and SAE standards for air brake and pneumatic applications\u003c\/li\u003e\n  \u003cli\u003eLow permeability and high-temperature ductility for stable connections\u003c\/li\u003e\n  \u003cli\u003eThreaded and push-fit options let you match existing system fittings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what tools are provided?\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed for straightforward installation by DIYers and professional mechanics. A tube cutter and Teflon tape are included; other standard tools like wrenches and clamps may be needed depending on your application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupplied tube cutter enables clean, square hose ends for proper sealing\u003c\/li\u003e\n  \u003cli\u003eTeflon tape helps ensure leak-free NPT threaded connections\u003c\/li\u003e\n  \u003cli\u003ePush-fit and union connectors reduce assembly time for common repairs\u003c\/li\u003e\n  \u003cli\u003eElbows and tees let you route air lines neatly through tight spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This CheeMuii kit suits fleet technicians, truck and trailer owners, RV enthusiasts, and small workshops that need a ready stock of DOT-compliant air line and fittings. It’s useful for emergency repairs, planned maintenance, or building new pneumatic lines where DOT-approved materials and a variety of connector types are required.\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 hose DOT-approved for vehicle air brake systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The PA12 hose meets D.O.T. FMVSS 571.106 and SAE J844 standards for DOT air applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What pressure and temperature ranges can this kit handle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The system operates from vacuum up to 500 PSI and -40°F to +248°F; follow tubing maker guidance for variations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CheeMuii","offers":[{"title":"Default Title","offer_id":67591078412473,"sku":"B0DBT6ZM5L","price":71.29,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/cheemuii-front-packaging-air-kit.jpg?v=1790540772","url":"https:\/\/redleafauto.ca\/products\/cheemuii-1-4-dot-air-line-kit-50-ft-pa12-hose-with-12-ca360-brass-fittings-cutter-tape","provider":"Redleaf Auto","version":"1.0","type":"link"}