The ProFleet Service Gladhand, SKU 11452, maintains heavy-duty truck air brake systems, fitting compatible trucks requiring a service gladhand and replacing OEM part 11452, engineered to meet dimension specification 42371 for a precise fit, featuring a blue finish for quick identification of service line connections, constructed with durable materials to withstand demanding conditions and ensure reliable, leak-free air line connections, and designed as a direct-fit replacement for easy installation, enhancing safety and efficiency for truckers and fleet operators when verifying truck model and air brake system compatibility for proper fitment.