{"product_id":"cheemuii-15ft-3-in-1-semi-truck-air-line-kit-15ft-pa12-coiled-hose-7-way-cord-25-galvanized-spring","title":"CheeMuii 15FT 3-in-1 Semi Truck Air Line Kit — 15ft PA12 Coiled Hose, 7-Way Cord \u0026 25\" Galvanized Spring","description":"\u003cp\u003e\u003cstrong\u003eCheeMuii's 15FT 3-in-1 Semi Truck Air Line Kit combines a 15-foot coiled PA12 nylon air hose, a 7-way heavy-duty electrical power cord, DOT-approved brass fittings, and a 25\" galvanized tender spring with clamp — a complete OEM-grade replacement set for tractor-trailer connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit is designed for fleet maintenance shops and owner-operators who need a full replacement assembly that meets SAE and DOT standards. Components are manufactured to OEM dimensions: the coiled air hose uses three-layer integrated molding in PA12 nylon for toughness and blast resistance, the 7-way electrical cord features pure copper conductors for dependable lighting and signal power, and the spring and clamp hardware are hot-dip galvanized carbon steel to resist corrosion under heavy use. The set also includes DOT CA360 brass fittings and hardware sized to industry specs for quick, secure installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow reliable are the air hose and fittings under heavy-duty conditions?\u003c\/h3\u003e\n\n\u003cp\u003eThe air hose is built from PA12 nylon using a three-layer process to give uniform wall thickness and improved burst strength, while the DOT CA360 brass fittings meet D.O.T. FMVSS 571.106 and SAE J1131 guidelines. Together they provide consistent air delivery and long service life in demanding environments without excessive permeability or heat-related deformation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e15-foot coiled PA12 nylon hose with three-layer molding for durability\u003c\/li\u003e\n  \u003cli\u003e1\/2\" DOT brass fittings (CA360) compliant with DOT and SAE standards\u003c\/li\u003e\n  \u003cli\u003eLow permeability and improved high-temperature ductility\u003c\/li\u003e\n  \u003cli\u003eDesigned to resist abrasion, kinking, and repeated flexing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the electrical power cord keep trailer lights and signals working reliably?\u003c\/h3\u003e\n\n\u003cp\u003eThe 7-way electrical cord uses high-purity copper conductors to maximize conductivity and reduce voltage drop to lights and brake signals. It’s manufactured to SAE J2394 guidelines so it matches common OEM replacements for popular connector part numbers, making it a dependable option for ensuring trailer electrical functions remain consistent on the road.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHigh-quality pure copper wiring for superior conductivity\u003c\/li\u003e\n  \u003cli\u003e7-way configuration supports brake lights, turn signals, and auxiliary power\u003c\/li\u003e\n  \u003cli\u003eOEM-compatible sizing for straightforward replacement of common parts\u003c\/li\u003e\n  \u003cli\u003eConstructed to resist heat and deliver long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the 25\" galvanized tender spring and clamp add to the assembly?\u003c\/h3\u003e\n\n\u003cp\u003eThe 25\" heavy-duty spring is made from premium carbon steel for elasticity and toughness; its galvanized finish protects against rust and corrosion. The included 3-hole clamp holder is widened to prevent washer slippage and, when used with the locking nut, firmly secures both the air hose and power cord to the truck frame for stable operation even under vibration.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e25\" carbon steel spring, hot-dip galvanized for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eWidened 3-hole clamp holder prevents washer drift and improves grip\u003c\/li\u003e\n  \u003cli\u003eLocking nut included to secure hoses and cords tightly in place\u003c\/li\u003e\n  \u003cli\u003eDesigned for frequent connect\/disconnect cycles without looseness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this kit replace specific OEM parts and which standards does it meet?\u003c\/h3\u003e\n\n\u003cp\u003eYes — components in the kit are manufactured to match common OEM part dimensions and performance. The air hoses meet SAE J844, the power wires meet SAE J2394, and the brass fittings comply with DOT FMVSS 571.106 and SAE J1131 requirements, making this a compatible and cost-effective substitute for many named aftermarket and OEM items.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAir hose compatible with standards like SAE J844\u003c\/li\u003e\n  \u003cli\u003eElectrical cord built to SAE J2394 electrical wire specs\u003c\/li\u003e\n  \u003cli\u003eReplacement fit for multiple branded part numbers listed by OEMs\u003c\/li\u003e\n  \u003cli\u003eOffered at a lower cost versus many dealer-priced replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This CheeMuii kit is aimed at heavy-duty truck owners, fleet maintenance teams, and roadside technicians who need a durable, standards-compliant replacement for tractor-trailer air and electrical connections. If you require OEM-fit parts that simplify installation, resist corrosion and repeated flexing, and match DOT\/SAE guidelines without the dealer markup, this all-in-one kit provides the essential components in a single purchase.\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 this kit compatible with OEM part numbers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The hoses and cords are designed to match many OEM dimensions and can replace listed part numbers while meeting SAE and DOT standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the air fittings DOT-approved?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 1\/2\" CA360 brass fittings comply with D.O.T. FMVSS 571.106 and SAE J1131 requirements.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CheeMuii","offers":[{"title":"Default Title","offer_id":67585595343033,"sku":"B0CGHQVX9T","price":240.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/cheemuii-front-packaging-assembly_be01831c-580c-4f02-975a-6f6a8f81857a.jpg?v=1790473488","url":"https:\/\/redleafauto.ca\/products\/cheemuii-15ft-3-in-1-semi-truck-air-line-kit-15ft-pa12-coiled-hose-7-way-cord-25-galvanized-spring","provider":"Redleaf Auto","version":"1.0","type":"link"}