{"product_id":"dot-air-line-fittings-kit-with-100-ft-1-4ft-100-ft-3-8ft-hoses","title":"DOT Air Line Fittings Kit with 100 ft 1\/4ft \u0026 100 ft 3\/8ft Hoses","description":"\u003cp\u003eIn this review the CheeMuii DOT air line kit is assessed as a practical, full-featured option for anyone who needs a ready-made set of DOT-approved tubing and brass fittings. It is best for technicians, truck or RV owners, and hobbyists who want a single kit that covers both 1\/4' and 3\/8' lines plus a wide variety of connectors. The single biggest reason to buy is the completeness of the package: two long runs of PA12 DOT tubing plus a large assortment of CA360 brass fittings and accessories make it easy to repair or retrofit air suspension and pneumatic lines without hunting for parts.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete tubing pair:\u003c\/strong\u003e Includes 100 ft 1\/4' and 100 ft 3\/8' PA12 DOT air lines so you have both common sizes for suspension and service lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium brass fittings:\u003c\/strong\u003e CA360 brass DOT fittings meet DOT FMVSS 571.106 and SAE J1131 requirements for corrosion resistance and durability in brake and pneumatic systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide connector selection:\u003c\/strong\u003e The 104 pc package supplies tees, unions, push connectors, 90 and swivel elbows and couplers to handle most repair and routing needs without extra purchases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh pressure tolerance:\u003c\/strong\u003e The 1\/4' line is rated up to about 500 PSI and the 3\/8' line up to about 800 PSI for demanding pneumatic tasks when used within temperature limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessories included:\u003c\/strong\u003e Handy extras such as Schrader inflation valves, cutter and Teflon tape help complete installations and inflation points for air springs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis kit is aimed at shop technicians, truck and trailer owners, RV enthusiasts and DIYers who service air suspension, brake or pneumatic systems and want DOT-compliant tubing and fittings in one package. The dual hose lengths and broad fitting mix let a single buyer handle common repairs, new routing or custom loops without sourcing many separate parts.\u003c\/p\u003e\u003cp\u003eIt is less ideal for someone who needs only a single tiny repair or a specialty fitting not included in the kit; also customers who require factory-certified installation work should consult a professional installer rather than self-installing from a home kit.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComprehensive 104 pc kit supplies both 1\/4' and 3\/8' DOT tubing plus a large selection of brass fittings for immediate repairs.\u003c\/li\u003e\n\u003cli\u003eFittings made from CA360 brass meet DOT and SAE guidelines, offering good corrosion resistance and long service life.\u003c\/li\u003e\n\u003cli\u003eHigh-strength PA12 tubing withstands a wide temperature range and higher working pressures, useful for heavy-duty use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSome users report mixed results on sealing; while many find no leaks, a minority report leakage requiring careful installation or extra sealant.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage contents\u003c\/td\u003e\n\u003ctd\u003e104 pcs including 100 ft 1\/4' and 100 ft 3\/8' tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting material\u003c\/td\u003e\n\u003ctd\u003eCA360 brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubing material\u003c\/td\u003e\n\u003ctd\u003ePA12 nylon (DOT compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/4' tubing pressure range\u003c\/td\u003e\n\u003ctd\u003eVacuum to about 500 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/8' tubing pressure range\u003c\/td\u003e\n\u003ctd\u003eVacuum to about 800 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded valves\u003c\/td\u003e\n\u003ctd\u003eFour brass 1\/4' inflation Schrader valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtras\u003c\/td\u003e\n\u003ctd\u003eCutter, sleeve ferrules, Teflon tape, plugs and couplers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe CheeMuii DOT air line kit is a strong value for anyone who needs a one-stop solution for pneumatic and air suspension repairs. With DOT-approved PA12 tubing in both 1\/4' and 3\/8' sizes and a comprehensive selection of CA360 brass fittings, it covers most common jobs. Installers should take care with seals during assembly, but for the price and versatility it is a practical choice for DIY and pro mechanics alike.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre the fittings DOT approved?\u003c\/strong\u003e\u003cbr\u003eYes, the CA360 brass fittings meet DOT FMVSS 571.106 and SAE J1131 requirements referenced by the manufacturer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure can the hoses handle?\u003c\/strong\u003e\u003cbr\u003eThe 1\/4' tubing is stated up to about 500 PSI and the 3\/8' tubing up to about 800 PSI when used within the recommended temperature range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre Schrader valves included?\u003c\/strong\u003e\u003cbr\u003eYes, the kit includes four brass 1\/4' inflation Schrader valves with protective caps for manual inflation points.\u003c\/p\u003e","brand":"CheeMuii","offers":[{"title":"Default Title","offer_id":48610548056283,"sku":"B0DZ6F3V4S","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81OJQTIjugL._AC_SL1500.jpg?v=1778356176","url":"https:\/\/gearmusthave.com\/products\/dot-air-line-fittings-kit-with-100-ft-1-4ft-100-ft-3-8ft-hoses","provider":"GearMustHave","version":"1.0","type":"link"}