Reproduction OEM Correct Intake Manifold Vacuum Hose Fitting with 3/8″ NPT Thread for all Vehicles with Power Brakes Applications that also need a extra 1/8″ Auxiliary Connection. Used on Power Brake Vehicles (except 1968-69 Charger’s) that are equipped with either an Air Grabber Hood or A/C. Also used on 59-65 Vehicles requiring Vacuum for the Heater Controls. Other Applications may exist. Replaces OEM Part # 1944092 that was used from 1959 and on, but could be used on 58 and older vehicles if the Intake Manifold accepts 3/8″ NPT Thread.