The Bendix M-40HF™ Series Remanufactured ABS Modulator Valve is designed to provide superior performance and reliability for a wide range of vehicles. This modulator type is designed to last long and withstand harsh conditions, ensuring safe operation in extreme weather conditions and on wet roads. The modulator helps to prevent skidding and loss of control while braking, allowing the driver to maintain steering control while braking hard. FleetPride is your First Click in Heavy Duty®.