Product Overview
The WA65439 from World American is a direct-replacement SR-5 type spring brake valve, designed for trailer air brake systems using large chamber (spring-brake) actuators. It features ¼″ NPT service & supply ports, and a 3/8″ delivery port diameter of .375″ for high-volume flow.
Built to industry-standard specifications, this valve supports proper spring-brake actuation and release, ensuring safe and correct parking brake engagement in heavy-duty trailers and vocational equipment.
