{"product_id":"taiidaues-1-4-air-line-service-kit-30-ft-dot-compliant-pa12-hose-with-brass-fittings","title":"Taiidaues 1\/4\" Air Line Service Kit — 30 ft DOT-compliant PA12 Hose with Brass Fittings","description":"\u003cp\u003e\u003cstrong\u003eTaiidaues 1\/4\" Air Line Service Kit is a complete replacement set for air bag suspension systems, including 30 feet of DOT-compliant PA12 hose, brass DOT fittings, inflation valves, a tee, and install tools.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis service kit supplies the core components you need to repair or upgrade 1\/4\" air lines on trucks, trailers, RVs, and air-spring suspension systems. Built to meet DOT and SAE specifications, the kit combines a rugged polyamide (PA12) hose with CA360 brass fittings, a union tee, swivel elbows, inflation Schrader valves, thread seal tape, and a tubing cutter to make field or shop installs faster and more reliable.\u003c\/p\u003e\n\n\u003ch3\u003eWhat parts come in the kit and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eThe Taiidaues kit bundles 30 ft of 1\/4\" PA air hose with a selection of DOT-grade brass fittings and inflation hardware so you have everything needed to restore an air line circuit. Each fitting is chosen for durability, corrosion resistance, and ease of connection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e30 ft black 1\/4\" PA12 DOT-compliant air hose for flexible routing and abrasion resistance\u003c\/li\u003e\n  \u003cli\u003e2 brass inflation Schrader valves with protective caps for manual air fill points\u003c\/li\u003e\n  \u003cli\u003e2 x 1\/4\" OD × 1\/4 NPT 360° swivel elbow fittings for tight-routing corners\u003c\/li\u003e\n  \u003cli\u003e1 x 1\/4\" union tee to split or join lines, plus a push-fit 1\/4\" union connection\u003c\/li\u003e\n  \u003cli\u003ePlastic tubing cutter and roll of thread-seal tape for clean, leak-free joins\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this kit meet DOT and SAE standards?\u003c\/h3\u003e\n\u003cp\u003eComponents in the kit are selected to satisfy common regulatory and performance expectations for air brake and suspension lines. The hose is manufactured from PA12 polyamide and the brass fittings are CA360, both chosen to reduce risks from heat, vibration, and environmental exposure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePA12 hose meets DOT and SAE J844-type requirements for flexibility and wear resistance\u003c\/li\u003e\n  \u003cli\u003eCA360 brass fittings comply with D.O.T. FMVSS 571.106 and SAE J1131 criteria for air systems\u003c\/li\u003e\n  \u003cli\u003eBrass hardware resists corrosion and maintains ductility at elevated temperatures\u003c\/li\u003e\n  \u003cli\u003ePush-fit connections allow quick, positive seals without specialized tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed for straightforward installation by mechanics or competent DIYers. Push-to-connect fittings secure the tubing instantly, while the included cutter and thread-seal tape make threaded joints clean and leak-resistant.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePush-fit fittings seat firmly by inserting tubing until it clicks; press release button to remove\u003c\/li\u003e\n  \u003cli\u003eUse the included cutter for straight, burr-free hose ends to improve seals\u003c\/li\u003e\n  \u003cli\u003eWrap the male threads with supplied tape before tightening to prevent leaks\u003c\/li\u003e\n  \u003cli\u003eProtective valve caps keep dirt and moisture out of inflation ports during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat vehicles and projects is this best suited for?\u003c\/h3\u003e\n\u003cp\u003eThis kit is versatile for any 1\/4\" air line application where DOT-compliant hose and fittings are required. It works well for repair, maintenance, and retrofits on semi trucks, trailers, RVs, light trucks with air helper springs, workshop air lines and various utility equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement or extension of truck and trailer air suspension circuits\u003c\/li\u003e\n  \u003cli\u003eRV air bag systems and auxiliary air helper springs\u003c\/li\u003e\n  \u003cli\u003eWorkshop or industrial compressed-air routing where DOT specs are needed\u003c\/li\u003e\n  \u003cli\u003eLawn equipment or towing devices requiring resilient 1\/4\" air hose\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Taiidaues 1\/4\" Air Line Service Kit is aimed at fleet technicians, independent mechanics, and experienced DIYers who need a DOT-compatible repair solution for air suspension and brake-line-related connections. If you want a single package that supplies compliant hose, durable brass fittings, inflation valves, and basic install tools, this kit covers those bases without needing multiple parts orders.\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: Is the hose DOT compliant for air brake systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The PA12 1\/4\" hose and CA360 brass fittings meet DOT and SAE J844\/J1131 style requirements for air systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I remove the tubing from fittings without damage?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Push-fit fittings release by pressing the collar button, allowing clean removal without cutting the hose.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Taiidaues","offers":[{"title":"Default Title","offer_id":48084641349790,"sku":"B0BQMG3SX5","price":39.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/taiidaues-front-packaging-and-contents.jpg?v=1785861402","url":"https:\/\/northtrailauto.ca\/products\/taiidaues-1-4-air-line-service-kit-30-ft-dot-compliant-pa12-hose-with-brass-fittings","provider":"North Trail Auto","version":"1.0","type":"link"}