Heavy-duty World American A5000 range slave valve for manual transmissions; engineered with 1/8 NPT ports and a robust construction for commercial-grade reliability. Features 2 control ports and 3 delivery ports, each with 0.125-inch diameter for optimized air routing and actuation in shifting systems. Includes NPT thread design for easy integration with standard airline fittings; precision-built for consistent performance under load. Compatible with a wide range of vehicles including Mack, Freightliner, Navistar, and Eaton Fuller-equipped trucks. Package includes 1 range slave valve; direct replacement for part numbers like Tectran 14511, Fuller A5000B, Rockwell M13A5000, and Newstar S-8030.