The Phillips 15' Heavy Duty Air Brake Coil is the perfect solution for your heavy duty air brake needs. This coil features three-piece swivel tractor side fittings and a single-piece trailer side fitting for maximum flexibility and convenience. The coil also includes a thread closure for a firmly attached gladhand, and the corrosion-fighting electrical wire is protected by an impenetrable housing that is completely molded to it. The weather-tite seal provides further corrosion protection, and the coil is substitutable for any common liftgate twin pole socket. FleetPride is your First Click in Heavy Duty®.