{"product_id":"dot-air-line-fittings-kit-35-pcs-quick-connect-brake-fittings","title":"DOT Air Line Fittings Kit 35 PCS - Quick Connect Brake Fittings","description":"\u003cp\u003eIn this review the CheeMuii DOT air line fittings kit is assessed for truck and RV owners who need a ready assortment of reliable air brake connectors. The bottom line: this 35 piece kit stands out because it bundles the common DOT sizes 1\/4 in, 3\/8 in and 1\/2 in with both straight and tee unions plus a tube cutter, so it saves time when repairing or extending air lines. The kit's main appeal is convenience and regulatory compliance, delivering quick connect fittings made from CA360 brass that meet DOT FMVSS 571.106 and SAE J1131 requirements.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive 35 piece set:\u003c\/strong\u003e Includes straight and tee union fittings in 1\/4 in, 3\/8 in and 1\/2 in sizes plus a tube cutter, providing parts for multiple repairs without a separate trip to a parts counter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDOT compliant construction:\u003c\/strong\u003e Made from CA360 brass and meeting D.O.T. FMVSS 571.106 and SAE J1131 standards for air brake systems, which helps ensure regulatory compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush to connect design:\u003c\/strong\u003e Fittings seal by pushing the tube into the fitting, allowing fast installs and straightforward removal for field repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature and pressure range:\u003c\/strong\u003e Rated for vacuum to 300 psi and -40F to +200F, which covers most heavy vehicle and trailer applications when paired with compatible tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion resistant brass:\u003c\/strong\u003e CA360 brass offers high-temperature ductility and low permeability for longer service life in brake and suspension lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is well suited for semi truck and trailer owners, RV owners, and mobile technicians who need an on-board assortment of DOT quick connect fittings for routine brake line maintenance, emergency repairs, or installing air suspension components. The included tube cutter and variety of sizes make it practical for field work and shop use.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who require metric or non-DOT custom connectors, and installers who prefer crimped or threaded fittings for permanent assemblies; this kit focuses on push to connect DOT-style unions rather than compression or threaded systems.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood value and variety, with 35 pieces covering the common DOT sizes for most truck and trailer needs.\u003c\/li\u003e\n\u003cli\u003eDurable CA360 brass construction that meets DOT and SAE air brake standards for compatibility.\u003c\/li\u003e\n\u003cli\u003eEasy to install push to connect fittings that speed up field repairs and reduce time under the vehicle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDurability feedback is mixed among users, so heavy repeated service may reveal wear sooner than more robust alternatives.\u003c\/li\u003e\n\u003cli\u003eKit assumes compatible tubing and does not include non-DOT adapters or thread-sealing accessories for other connection types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit contents\u003c\/td\u003e\n\u003ctd\u003e35 pcs: 1\/4 in, 3\/8 in, 1\/2 in straight unions and tee unions, plus tube cutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCA360 brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eD.O.T. FMVSS 571.106 and SAE J1131\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure range\u003c\/td\u003e\n\u003ctd\u003eVacuum to 300 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e-40F to +200F (-40C to +93C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting types\u003c\/td\u003e\n\u003ctd\u003eStraight union and tee union push to connect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe CheeMuii 35 piece DOT air line fittings kit is a practical, value-oriented choice for truckers, RV owners and technicians who want a ready supply of common DOT quick connect unions. It combines regulatory-grade CA360 brass construction, a useful size assortment and a tube cutter to handle most on-road air brake and suspension repairs, making it worth keeping as an onboard repair kit.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these fittings DOT approved?\u003c\/strong\u003e\u003cbr\u003eYes, the fittings are made from CA360 brass and meet D.O.T. FMVSS 571.106 and SAE J1131 air brake requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat tube sizes are covered?\u003c\/strong\u003e\u003cbr\u003eThe kit includes fittings for 1\/4 in, 3\/8 in and 1\/2 in tubing in straight and tee union styles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operating pressure and temperature?\u003c\/strong\u003e\u003cbr\u003eThe fittings are rated from vacuum to 300 psi and for -40F to +200F; check tubing manufacturer limits for the full assembly.\u003c\/p\u003e","brand":"CheeMuii","offers":[{"title":"Default Title","offer_id":48231377043675,"sku":"B0CPLZBW8C","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71RDYBSHKsL._AC_SL1500.jpg?v=1770805599","url":"https:\/\/gearmusthave.com\/products\/dot-air-line-fittings-kit-35-pcs-quick-connect-brake-fittings","provider":"GearMustHave","version":"1.0","type":"link"}