Wide Range of Applications: Our oil pressure switch socket has a 3/8″ I.D. on one end for 3/8″ drivers and a 1 1/8″ I.D. on the other end for 1 1/8″ hex wrenches. It is compatible with GM and Chrysler combination light and pressure gauge oil pressure switches, universal for most newer models and ’91 and ’87 models.

Oil Pressure Sensor Socket,1 1/16 Socket Switch Fits 3/8″ Drive or 1 1/8″ Hex Wrench,Professional Oil Pressure Switch Socket for Quick Removing/Installing Oil Sending Unit (Silver). Wide Range of Applications: Our oil pressure switch socket has a 3/8″ I.D. on one end for 3/8″ drivers and a 1 1/8″ I.D. on the other end for 1 1/8″ hex wrenches.