{"product_id":"cheemuii-12-pcs-1-4-brass-dot-air-fittings-with-50-ft-1-4","title":"CheeMuii 12 Pcs 1\/4 Brass DOT Air Fittings With 50 FT 1\/4\"","description":"\u003cp\u003e\u003cstrong\u003eCheeMuii's kit supplies a 50-foot DOT-approved 1\/4\" PA12 air line plus 12 brass DOT fittings and accessories for reliable pneumatic and air-suspension connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis complete assembly pairs a reinforced 1\/4\" Polyamide 12 (PA12) DOT air hose with a selection of CA360 brass DOT fittings engineered for vehicle and industrial use. The components meet DOT FMVSS 571.106 and SAE standards, offering a corrosion-resistant solution for air brake, suspension, towing, and workshop pneumatic repairs. The set includes tees, unions, push-fit and NPT-thread connectors, elbows, a tube cutter and thread tape so you can install or patch lines quickly.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit hold up under pressure and temperature swings?\u003c\/h3\u003e\n\u003cp\u003eThe hose and fittings are rated for demanding environments: the PA12 tubing resists high pressure and the CA360 brass fittings tolerate wide temperature ranges. Together they provide long-term service life when used within manufacturer-recommended limits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking pressure range: vacuum to 500 PSI (follow tubing specs)\u003c\/li\u003e\n  \u003cli\u003eTemperature tolerance: -40°F to +248°F (-40°C to +120°C)\u003c\/li\u003e\n  \u003cli\u003eMaterials: PA12 tubing for toughness and CA360 brass fittings for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eReinforced construction for impact and wear resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich parts are included and how will they speed an on-the-road repair?\u003c\/h3\u003e\n\u003cp\u003eThis kit contains the common fittings and tools needed for fast, effective connections or emergency fixes—no extra trips to the hardware store. The included tube cutter and Teflon tape let you size and seal hose runs on the spot.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e50 ft of 1\/4\" DOT PA12 air hose for long runs or spare routing\u003c\/li\u003e\n  \u003cli\u003e2 brass 1\/4\" tube tee fittings and 2 straight union connectors\u003c\/li\u003e\n  \u003cli\u003e4 brass straight push-to-connect with NPT thread and 4 NPT elbow fittings\u003c\/li\u003e\n  \u003cli\u003e1 tube cutter and 1 roll of Teflon tape for clean cuts and leak-resistant threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this safe to use on trucks, trailers and RV air systems?\u003c\/h3\u003e\n\u003cp\u003eThe components comply with DOT and SAE recommendations for many vehicle air systems, making them suitable for repairs and installations when matched to the correct size and specifications. Always verify compatibility with your vehicle’s system and follow recommended installation practices.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets D.O.T. FMVSS 571.106 and SAE J844\/J1131 where applicable\u003c\/li\u003e\n  \u003cli\u003eDesigned for air suspension, brake line patching, trailer and RV air systems\u003c\/li\u003e\n  \u003cli\u003eUse proper fittings and thread sealing for safe, leak-free joints\u003c\/li\u003e\n  \u003cli\u003eCheck tubing manufacturer notes for pressure\/temperature limitations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation for DIYers and technicians?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward with basic pneumatic knowledge: cut the tube cleanly, insert push-fit or secure NPT connections with tape, and route the hose away from heat and abrasion. The kit's combination of push-fit and threaded fittings accommodates quick repairs and permanent installations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePush-fit connectors allow fast, tool-free tubing insertion\u003c\/li\u003e\n  \u003cli\u003eNPT fittings tighten with thread tape for durable threaded joints\u003c\/li\u003e\n  \u003cli\u003eTube cutter provides precise, burr-free hose ends for better seals\u003c\/li\u003e\n  \u003cli\u003eReinforced hose keeps shape under bends while remaining flexible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this kit is for: CheeMuii’s 12-piece DOT air fittings and 50 ft PA12 line suit truck drivers, fleet mechanics, RV owners, trailer maintenance technicians, and DIYers who need a ready-to-use set for air-suspension, brake-line patches, or general pneumatic plumbing. It’s intended as a practical repair and installation kit—select parts that match your system’s specifications and follow all safety guidelines during use.\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: Can this kit handle vehicle air-brake pressures?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the hose and fittings are designed for pressures up to 500 PSI and meet DOT\/SAE guidelines—verify your system specs before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the push-fit connectors work with other 1\/4\" tubing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Push-fit parts fit standard 1\/4\" DOT PA12 tubing; confirm tubing material and outer diameter for a secure fit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CheeMuii","offers":[{"title":"Default Title","offer_id":48087403757726,"sku":"B0DBT6ZM5L","price":40.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/cheemuii-front-package-kit.jpg?v=1785923514","url":"https:\/\/northtrailauto.ca\/products\/cheemuii-12-pcs-1-4-brass-dot-air-fittings-with-50-ft-1-4","provider":"North Trail Auto","version":"1.0","type":"link"}