Engineered specifically for Eaton Fuller 13, 15, and 18-speed transmissions, this all-in-one kit is the ideal solution for restoring factory-fresh shifting performance. It includes 13ft each of orange, blue, black, and green high-grade TPU air lines, 6 brass straight fittings, 3 brass 90° push-in connectors, 12 installation ties, and sealing tape. Built to withstand demanding conditions, the flexible, pressure-resistant TPU lines ensure consistent airflow in both high-heat and cold environments. The leak-free push-to-connect design allows for secure, tool-free installation while preserving maximum air delivery for smoother, faster high/low range shifts—reducing wear on synchronizers and extending transmission life. With everything you need in one box, this kit makes full air line replacement quick, professional, and hassle-free.