{"product_id":"cheemuii-30-pcs-dot-air-line-fittings-kit-1-4-in-3-8-in-1-2-in-quick-connect-unions","title":"CheeMuii 30 PCS DOT Air Line Fittings Kit — 1\/4 in, 3\/8 in, 1\/2 in Quick Connect Unions","description":"\u003ch2\u003eAll-in-one DOT air line fittings kit\u003c\/h2\u003e\n\u003cp\u003eCheeMuii brings you a comprehensive 30-piece DOT air line fittings set that covers three common line sizes in a single, organized kit. With ten 1\/4 inch unions, ten 3\/8 inch unions, and ten 1\/2 inch unions, this collection makes it easier to tackle a range of air line projects—whether you’re outfitting new equipment or repairing existing systems. The push-to-connect design enables quick, clean installations, helping you move from project to project with less downtime and more confidence.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTen 1\/4 inch DOT straight unions\u003c\/li\u003e\n  \u003cli\u003eTen 3\/8 inch DOT straight unions\u003c\/li\u003e\n  \u003cli\u003eTen 1\/2 inch DOT straight unions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality, durability, and standards\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMade from CA360 brass and high-strength plastic for reliable performance\u003c\/li\u003e\n  \u003cli\u003eDOT FMVSS 571.106 approved and SAE J1131 compliant, designed for air brake systems\u003c\/li\u003e\n  \u003cli\u003eCorrosion resistant, high-temperature ductility, and low permeability to extend service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerformance and compatibility\u003c\/h3\u003e\n\u003cp\u003eThese brass fittings are built to operate from vacuum up to 500 PSI and withstand temperatures from -30°F to +180°F. Always refer to the tubing manufacturer's pressure and temperature guidelines for the best results.\u003c\/p\u003e\n\n\u003ch3\u003eEase of use and installability\u003c\/h3\u003e\n\u003cp\u003eThe DOT quick connect design provides a fast, tool-free connection—just push to connect. This helps reduce installation time and simplifies field repairs or upgrades.\u003c\/p\u003e\n\n\u003ch3\u003eVersatile applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAir suspension systems and copper tubing in airline brake layouts\u003c\/li\u003e\n  \u003cli\u003eTruck, RV, and mobile repair projects dealing with air line leaks\u003c\/li\u003e\n  \u003cli\u003eIndustrial workshops and towing machine hose connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhether you’re maintaining an on-site shop setup or tackling a roadside repair, this kit offers a practical, ready-to-use solution built to support a variety of air line tasks without promising guarantees, while highlighting real-world benefits you may experience.\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: What is included in the CheeMuii DOT Air Line Fittings kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes 10x 1\/4 inch, 10x 3\/8 inch, and 10x 1\/2 inch straight unions for quick-connect connections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the operating temperature and pressure ranges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It supports vacuum to 500 PSI and a temperature range of -30°F to +180°F, per tubing manufacturer guidelines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CheeMuii","offers":[{"title":"Default Title","offer_id":42481086529621,"sku":"B0DQCYB2H5","price":58.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/cheemuii-dot-air-line-fittings-1-4-inch-unions.jpg?v=1778341406","url":"https:\/\/plentytorque.co.uk\/products\/cheemuii-30-pcs-dot-air-line-fittings-kit-1-4-in-3-8-in-1-2-in-quick-connect-unions","provider":"PlentyTorque","version":"1.0","type":"link"}