{"product_id":"43pcs-100ft-1-4-dot-air-line-brass-fittings-kit-complete-brake-line","title":"43pcs 100FT 1\/4 DOT Air Line Brass Fittings Kit - Complete Brake Line","description":"\u003cp\u003eIn this review the reviewer tested the 43pcs 1\/4 DOT air line brass fittings kit and found it best suited for DIY mechanics and fleet technicians who need a complete, DOT-approved kit for air brake lines and pneumatic systems. The single biggest reason to buy is the combination of a full 100ft 1\/4 in DOT PA12 nylon tube with a wide selection of both quick push and compression brass fittings, which together make it practical to assemble, repair, or reconfigure air brake and pneumatic lines without hunting for matching parts.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Includes 100ft of 1\/4 in DOT PA12 nylon tubing plus 43 brass fittings and accessories so users can tackle full-length runs or multiple repairs in one purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDOT and SAE compliance:\u003c\/strong\u003e Fittings meet D.O.T. FMVSS 571.106 and SAE J1131 requirements, offering confidence for brake system use where regulatory fit and function matter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix of quick push and compression fittings:\u003c\/strong\u003e Push-to-connect pieces allow fast assembly and frequent disassembly while compression fittings provide a more permanent, double-secure connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh quality materials:\u003c\/strong\u003e Solid CA360 brass fittings resist corrosion and the PA12 nylon tubing handles abrasion and wide temperatures for long-term service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUseful accessories:\u003c\/strong\u003e The kit ships with sleeves, hex head bushings, a tube cutter and Teflon tape so installers have what they need for a correct fit and seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is aimed at vehicle owners, RV and truck technicians, and small fleet maintenance crews who need DOT-approved parts for air brake lines, air bag suspension or pneumatic accessories. It suits people who prefer a single kit that includes tubing, multiple connector types and the small tools needed to cut and seal runs.\u003c\/p\u003e\n\u003cp\u003eLess suitable are users who need metric tubing sizes, very large bore air systems above 1\/4 in OD, or specialty fittings not listed in the kit; those buyers should source dedicated fittings for uncommon threads or higher volume lines.\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\u003eComprehensive selection lets installers complete several repairs without extra parts.\u003c\/li\u003e\n\u003cli\u003eDOT and SAE compliance provides appropriate safety confidence for brake and suspension use.\u003c\/li\u003e\n\u003cli\u003eDurable CA360 brass and PA12 tubing resist corrosion and wide temperature ranges.\u003c\/li\u003e\n\u003cli\u003ePush-to-connect fittings speed up temporary or frequently changed runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe kit focuses on 1\/4 in OD tubing, so it is not suitable for systems requiring larger diameters or metric sizes.\u003c\/li\u003e\n\u003cli\u003eCompression fittings require an extra step and tool pressure to secure properly, which may be slower than push fittings for some users.\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\u003e100ft 1\/4 in DOT PA12 tube and 43 brass fittings plus accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubing type\u003c\/td\u003e\n\u003ctd\u003eSAE J844 PA12 nylon, DOT approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubing size\u003c\/td\u003e\n\u003ctd\u003e1\/4 in OD (approx 4.35mm ID)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking pressure\u003c\/td\u003e\n\u003ctd\u003eTubing max 500 PSI, fittings rated up to 300 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting material\u003c\/td\u003e\n\u003ctd\u003eSolid CA360 precision brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003eTubing -40F to +248F; fittings -65F to +200F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessories\u003c\/td\u003e\n\u003ctd\u003eTube cutter, Teflon tape, sleeves ferrule, hex head bushings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 43pcs 1\/4 DOT air line brass fittings kit is a practical value for anyone who needs a DOT-approved, all-in-one solution for 1\/4 in air brake and pneumatic lines. It combines the speed of push-to-connect fittings with the security of compression fittings and includes tubing and basic tools, making it a solid choice for DIY repair or fleet maintenance where 1\/4 in OD lines are standard.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this kit safe for vehicle air brake systems?\u003c\/strong\u003e\u003cbr\u003eThe fittings meet D.O.T. FMVSS 571.106 and SAE J1131 requirements, so they are intended for DOT air brake and related applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the PA12 tubing carry fluids other than air?\u003c\/strong\u003e\u003cbr\u003eYes, SAE J844 PA12 tubing is suitable for air, water, fuel and oil transfer within its temperature and pressure limits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo compression fittings require special tools?\u003c\/strong\u003e\u003cbr\u003eCompression fittings are secured by pushing then tightening; a basic tube cutter and common hand tools are sufficient for installation.\u003c\/p\u003e","brand":"boeray","offers":[{"title":"Default Title","offer_id":48618924245211,"sku":"B0DQ45L84T","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81fx-7r9P-L._AC_SL1500.jpg?v=1778454193","url":"https:\/\/gearmusthave.com\/products\/43pcs-100ft-1-4-dot-air-line-brass-fittings-kit-complete-brake-line","provider":"GearMustHave","version":"1.0","type":"link"}