15FT Coiled Air Brake Hoses Longtail Assembly for Semi Truck Tractor Trailer, Blue Service and Red Emergency Air Brake Lines, 1/2" NPT Fittings（15' Length x 40" Tractor Lead）

P SEPEY 15FT Coiled Air Brake Hoses Longtail Assembly for Semi Truck Tractor Trailer, Blue Service and Red Emergency Air Brake Lines, 1/2" NPT Fittings（15' Length x 40" Tractor Lead）

• 【Premium Materials】Premium PA12 nylon construction with helical memory hose and spring guard, featuring solid brass fittings for reliable performance.
• 【Premium Performance & Durability】 Engineered with high-density PA12 nylon featuring 20% thicker walls for exceptional strength, this longtail coil hose delivers 1.5-2X longer service life than industry standards while resisting aging degradation. The UV-stabilized exterior maintains colorfast appearance through 5+ years of outdoor exposure. Its advanced tri-layer co-extrusion construction can withstand strong burst pressure.
• 【Advanced Protection System】The 40+12in dual length air brake hose features a spring guard with stainless steel spiral armor that provides triple-layer defense against:1. Abrasion from road debris；2. Crush deformation under heavy loads；3. Kinking during tight-radius bending
• 【Leak-Proof Fittings】Featuring corrosion-resistant and abrasion-proof threaded fittings with integrated O-ring seals, these brass connectors deliver great airtight performance, ensuring leak-free operation even under harsh environments
• 【Replacement】Meets SAE J844 & FMVSS 571.106 Standards. Replaces for Phillips 11-340, Tremec Sloan 451039N, Tectran️ 17A15-40H