This GENUINE PART, is now discontinued by GM as of 2/2009 - we have a small reserve stock untill depleted.
It is the single splade pin long stemmed sensor as pictured, located just above the oil filter on the LHS of the Chevy engine block.
This is the OIL TEMPERATURE sensor.. not the oil PRESSURE.. sensor...
.jpg "Sill Plate Set: 55-57 Chev / Pont 2 door")
