Description:Service brake tube assemblies are held to the highest standards of quality, reliability & rigid in nature. Designed and engineered for unique applications. Fabricated specifically to withstand application pressure which ensures long life and proper machine functionality. Manufactured to exacting tolerances to ensure proper alignment with existing systems.Attributes:• Weldment design• Threads, Fluid passage, and Sealing surfaces must be free from paint• B Surface class finishApplications:Service brake tube assemblies are designed to use in the braking system of the brake master cylinder, brake accumulator, service brake valve, and service brake control valve for proper machine functionality and are extensively used in CAT 777 and 777E Off-highway trucks.