0-100 Psi Single Station Oil Pressure Sender | Sierra OP24301 Engine oil pressure sending unit sends signal to 100 PSI oil pressure gauge. 100 PSI pressure rating Single station 1/8 inch NPT thread size 10-32 stud terminal Works with US ohm scale oil pressure gauges Replaces Westerbeke 24132 Replaces Stewart Warner 279B-F Replaces Universal 301681 Replaces VDO 360811