Depending on the year, either behind the distributor, or, above the oil filter.
it screws into the side of one of the heads.
It's usually on the rear rail under the distributor.
The oil sending unit is below the intake manifold, it is threaded into the block.
The oil sending unit on a 1995 Cavalier is on the passenger side of the engine. It is close to the oil filter, screwed into the block.
It is at the back of your intake manifold screwed into the engine block.
At the back of the block, near the distributor.
rear drivers side engine block
It is behind the distributor, and screewed into the top of the engine block
It is screewed into the top of the engine block just behind the distributor.
It is right behind the distributor, screewed into the top of the engine block.
It is right behind the distributor and screewed into the top of the engine block.
in back on top by distributor, or down on driver side engine block on the side by the bellhousing, look for wires and round unit threaded into the block.