This manifold absolute pressure sensor is intended for replacement of an existing sensor being utilized by an AutoMeter high precision vacuum / boost gauge. Product Features:Replacement 3 BAR absolute pressure sensor designed specifically for AutoMeter high precision vacuum and boost gauges. Built in connector mates to Delphi Packard connector #12015796 (not included)1/4 in. hose nippleMounting holes 2.5 in. on centerMeasures: 3 in. Long x 1.85 in. Wide x 1.25 in. High