AP03 Brake Proportioning Valve 1491175 Fit For Ford Ranger Brake Proportioning Valve 1491175 Feature: Replace your brake load sensing valve if it’s broken or cracked. It fits directly into your car without further adjustment. Advantages: Made of good plastic materials, it is not easy to rust or break, and it has a long service time. Failure symptoms include rear wheel lockup on wet roads or excessive rear brake wear from over-pressure. Works passively without electronics, using spring-loaded plunger and lever connected to rear suspension., Manufacturer: HAEDGUO