{"product_id":"cheemuii-3-8-dot-air-line-kit-32-8-ft-pa12-hose-with-ca360-brass-fittings-dot-approved-high-temp-durability","title":"CheeMuii 3\/8\" DOT Air Line Kit — 32.8 ft PA12 Hose with CA360 Brass Fittings, DOT‑Approved High‑Temp Durability","description":"\u003cp\u003e\u003cstrong\u003eCheeMuii 3\/8\" DOT Air Line Kit includes a 32.8 ft PA12 DOT-approved air hose and a complete set of CA360 brass DOT fittings for durable, high-pressure pneumatic connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit bundles a long-length 3\/8\" DOT air line made from Polyamide 12 (PA12) with a selection of CA360 brass fittings engineered to meet DOT FMVSS 571.106 and SAE air-brake requirements. It’s built for high-pressure applications, temperature extremes, and frequent use—packaged with installation accessories so you can route, join, and repair air lines quickly.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does the kit contain and why does each part matter?\u003c\/h3\u003e\n\u003cp\u003eThe kit supplies everything needed to create or repair 3\/8\" DOT-style air lines: hose, tees, unions, push-fit connectors, elbows, a cutter, and Teflon tape. Each item is matched to the system to reduce leak points and simplify installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e32.8 ft of 3\/8\" PA12 DOT air hose, resistant to abrasion and high pressure.\u003c\/li\u003e\n  \u003cli\u003eTwo 3\/8\" CA360 brass tube tees and two brass straight unions for secure branching and inline joins.\u003c\/li\u003e\n  \u003cli\u003eFour brass straight push connectors and four 90° brass elbows with NPT threads for common fittings.\u003c\/li\u003e\n  \u003cli\u003eTube cutter and Teflon tape included for clean cuts and reliable thread seals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow tough is the hose and can it handle harsh conditions?\u003c\/h3\u003e\n\u003cp\u003eThe CheeMuii PA12 hose is engineered to withstand impact, wear, and varying temperatures while retaining flexibility for routing. It is rated for operation from -40°F to +248°F and can withstand working pressures up to the kit’s specified limits when installed per manufacturer guidance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePA12 construction offers chemical and abrasion resistance for longer life.\u003c\/li\u003e\n  \u003cli\u003eTemperature tolerance spanning very cold to high-heat environments.\u003c\/li\u003e\n  \u003cli\u003eDesigned for higher working pressures and compatible with pneumatic systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre the fittings corrosion-resistant and suitable for brake or suspension lines?\u003c\/h3\u003e\n\u003cp\u003eYes—fittings in this kit are precision-machined from CA360 brass and meet DOT FMVSS 571.106 and SAE J1131 specifications, providing strong corrosion resistance and dimensional stability. They’re intended for DOT-style air systems such as trailer brakes or suspension connections when installed correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCA360 brass offers low permeability and durable thread integrity.\u003c\/li\u003e\n  \u003cli\u003eDOT\/SAE compliance reduces risk of premature failure in air systems.\u003c\/li\u003e\n  \u003cli\u003eBrass push and NPT-style connectors simplify leak-free joints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what tools are included?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for someone comfortable with pneumatic lines: cut the hose square, use the included fittings and Teflon tape on threaded joints, and push or thread connections as required. The kit supplies the basic tools and fittings for most on-vehicle or workshop repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded tube cutter lets you make clean, accurate hose ends.\u003c\/li\u003e\n  \u003cli\u003eTeflon tape ensures better thread sealing on NPT connectors.\u003c\/li\u003e\n  \u003cli\u003ePush-fit connectors and unions speed up assembly without extra clamps in many cases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This kit is designed for vehicle owners, fleet mechanics, RV and trailer technicians, and workshop professionals who need a DOT-compliant 3\/8\" air line system. It’s suitable for air suspension work, semi truck or trailer air-brake repairs, towing and mower line fixes, or general industrial pneumatic plumbing where dependable, rated components 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 kit DOT approved for brake systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hose and brass fittings meet DOT FMVSS 571.106 and relevant SAE specifications; follow local regulations and installation guidelines for brake system use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What temperature and pressure ranges does the kit support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The components operate from -40°F to +248°F and can handle vacuum to high working pressures; consult tubing specs for exact pressure limits.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CheeMuii","offers":[{"title":"Default Title","offer_id":48086199173278,"sku":"B0D81131JB","price":49.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/cheemuii-front-packaging-assembly.jpg?v=1785889557","url":"https:\/\/northtrailauto.ca\/products\/cheemuii-3-8-dot-air-line-kit-32-8-ft-pa12-hose-with-ca360-brass-fittings-dot-approved-high-temp-durability","provider":"North Trail Auto","version":"1.0","type":"link"}