The Remanufactured Heavy Duty Trailer ABS Assembly is a reliable and practical solution for fixing a malfunctioning anti-lock brake system. Made with metal and plastic construction materials, this bolt-on attachment features 4 sensor connectors and is designed to fit most makes and models. With a height of 5.75 inches, length of 5 inches, and width of 9.25 inches, this ABS control module is a direct replacement for the original module on specific vehicles. Thoroughly tested for reliability, it restores safe functionality and comes with direct OE replacement number Navistar S400 500 103 0.