This MV3 push-pull dash brake valve fits Mack applications and lets the driver manually control the parking or auxiliary brake system by pulling or pushing its knob. It is a dash-mounted control valve for air brake systems and is sold individually.Interchanges:Mack 745-065248745-107753745-800523LVM-5759FeaturesMV3 push-pull dash valve designSold pack of 1 eachAir Brake Parts componentTech SpecsPart Type: MV3 Push-Pull Dash Brake ValveSell Pack: 1 Each