GM Oil Pressure Connector Pigtail Email 3-Wire GM Oil Pressure Sensor Connector Part #: 2823F Part #: 2823F Quantity Price ea. 1 + $38.22 4 + $32.49 15 + $26.75 38.22 Back to: GM Engine Connectors Ask a question about this product GM Distributor Module Pigtail GM Coolant Temp Sensor Description 3-Wire GM Oil Pressure Sensor Connector. 1987 and Newer. Fits All GM 3 Pin Switches. Works for Various GM Gas and Diesel Engines. Replaces GM #12085499 and AC-Delco PT121.