Oil Plug

FIG. 1 is a first perspective view of an oil plug according to the claimed design.

FIG. 2 is a second perspective view of the oil plug of FIG. 1 .

FIG. 3 is a left side view of the oil plug of FIG. 1 .

FIG. 4 is a right side view of the oil plug of FIG. 1 .

FIG. 5 is a front view of the oil plug of FIG. 1 .

FIG. 6 is a rear view of the oil plug of FIG. 1 .

FIG. 7 is a top view of the oil plug of FIG. 1 ; and,

FIG. 8 is a bottom view of the oil plug of FIG. 1 .

The broken lines in the drawings illustrate portions of the oil plug that form no part of the claimed design.

The dashed lines show features that form no part of the claimed design. Surface shading is provided.