Bendix 2232548 is a pressure switch for the brake system. Switches of this kind watch air pressure in the brake circuit and pass that information to the dash warning system, so the driver hears about low pressure before it turns into a braking problem. When one starts to fail, the warning light may stay on or flicker, the dash gauge can sit at zero even after the compressor has built air, or the connection may hiss under pressure. A genuine Bendix part from Pro Gear and Transmission. Call us to confirm proper fit for your application.A factory handling fee of $20.00 per unit is added at checkout.FeaturesBendix pressure switch, part number 2232548Pressure switch for brake system useA warning light that stays on or flickers, or a gauge stuck at zero, points to a failing switchGenuine Bendix part