{"product_id":"3-8-in-brass-dot-air-fittings-with-100-ft-3-8-in-dot-air-line-kit","title":"3\/8 in Brass DOT Air Fittings with 100 ft 3\/8 in DOT Air Line Kit","description":"\u003cp\u003eIn this review of the 3\/8 in DOT air fittings kit the bottom line is simple: it is built for users who need a complete, DOT-compliant air line repair or installation kit without hunting for parts. The package combines 100 ft of black 3\/8 in PA12 DOT air hose with a broad assortment of CA360 brass DOT fittings and installation tools, so a mechanic, truck owner or shop can fix leaks and add connections in a single visit. The most compelling reason to buy is the combination of certified materials and the wide selection of union, elbow and tee fittings included.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Includes 100 ft of black 3\/8 in DOT air hose plus tees, unions, elbows, bushings and a tube cutter so a single purchase covers most repair needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDOT compliant brass fittings:\u003c\/strong\u003e CA360 brass fittings meet FMVSS 571.106 and SAE J1131 requirements, offering corrosion resistance and long service life for air brake related use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePA12 DOT air hose:\u003c\/strong\u003e The Polyamide 12 tubing meets FMVSS 571.106 and SAE J844 standards, providing high pressure resistance and durability for vehicle and industrial use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature and pressure range:\u003c\/strong\u003e Rated for operation from vacuum to 800 PSI and temperatures from -40F to +248F, useful in harsh climates and heavy-duty environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-strength construction:\u003c\/strong\u003e Reinforced pneumatic tubing has good impact and wear resistance while remaining flexible enough for routing on trucks or equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis kit is aimed at semi truck and trailer owners, RV or tow operators, and small industrial shops that need a DOT-approved air line solution for brake components, suspension or accessory air systems. It is especially useful for anyone who prefers to carry a comprehensive repair kit that includes a cutter and Teflon tape so jobs can be finished on site.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include installers who require metric fittings or non-DOT specialty connectors, and users who only need a single replacement fitting rather than a full 100 ft hose and multipiece kit. For simple household pneumatic tool hookups, a smaller non-DOT tubing set may be more economical.\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 parts selection reduces the need to source extra fittings during a repair.\u003c\/li\u003e\n\u003cli\u003eDOT-certified materials for both brass fittings and PA12 hose provide confidence for brake and suspension use.\u003c\/li\u003e\n\u003cli\u003eDurable construction and wide operating temperature range suit heavy-duty applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eKit contains a very large length of hose which may be more than needed for small jobs and adds bulk to storage.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eHose length\u003c\/td\u003e\n\u003ctd\u003e100 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHose diameter\u003c\/td\u003e\n\u003ctd\u003e3\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHose material\u003c\/td\u003e\n\u003ctd\u003ePolyamide 12 (PA12)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting material\u003c\/td\u003e\n\u003ctd\u003eCA360 brass (DOT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure range\u003c\/td\u003e\n\u003ctd\u003eVacuum to 800 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e-40F to +248F (-40C to +120C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded tools\u003c\/td\u003e\n\u003ctd\u003eTube cutter and Teflon tape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 3\/8 in DOT air fittings and 100 ft DOT air line kit is a practical, value-oriented choice for truck owners and workshops that need DOT-approved tubing and a broad selection of brass fittings in one box. Its certified materials and durable PA12 hose make it a smart buy for repairs and installations where safety and longevity matter, though those who only need a small replacement section may find the full-length hose excessive.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre the fittings DOT approved?\u003c\/strong\u003e\u003cbr\u003eYes, the brass CA360 fittings meet FMVSS 571.106 and SAE J1131 related requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the air hose?\u003c\/strong\u003e\u003cbr\u003eThe hose is made of Polyamide 12 (PA12) and complies with DOT FMVSS 571.106 and SAE J844 specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan this kit handle cold weather?\u003c\/strong\u003e\u003cbr\u003eYes, the kit is rated for temperatures down to -40F and is suitable for low temperature operation.\u003c\/p\u003e","brand":"CheeMuii","offers":[{"title":"Default Title","offer_id":48200813379803,"sku":"B0F23KQ53K","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81E4FW2FmLL._AC_SL1500.jpg?v=1770371613","url":"https:\/\/gearmusthave.com\/products\/3-8-in-brass-dot-air-fittings-with-100-ft-3-8-in-dot-air-line-kit","provider":"GearMustHave","version":"1.0","type":"link"}